diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt
index 7fce60b..eae9fe8 100644
--- a/backend/CMakeLists.txt
+++ b/backend/CMakeLists.txt
@@ -35,6 +35,8 @@ endif()
 
 find_package(Drogon CONFIG REQUIRED)
 find_package(Threads REQUIRED)
+find_path(SQLITE3_INCLUDE_DIR sqlite3.h REQUIRED)
+find_library(SQLITE3_LIBRARY sqlite3 REQUIRED)
 
 # libxlsxwriter 使用常量内存模式把大型工作簿逐行落盘，避免报告导出占满服务进程内存。
 set(BUILD_TESTS OFF CACHE BOOL "" FORCE)
@@ -56,10 +58,12 @@ add_executable(wind_server ${SOURCES})
 target_include_directories(wind_server PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/src
     ${REPO_ROOT}/third_party
+    ${SQLITE3_INCLUDE_DIR}
 )
 
 target_link_libraries(wind_server PRIVATE
     Drogon::Drogon
+    ${SQLITE3_LIBRARY}
     Threads::Threads
     xlsxwriter
 )
diff --git a/backend/src/auth/AuthManager.cpp b/backend/src/auth/AuthManager.cpp
new file mode 100644
index 0000000..1e87b11
--- /dev/null
+++ b/backend/src/auth/AuthManager.cpp
@@ -0,0 +1,446 @@
+#include "AuthManager.h"
+
+#include <trantor/utils/Logger.h>
+
+#include <ctime>
+#include <filesystem>
+#include <regex>
+#include <string>
+
+#include <drogon/utils/Utilities.h>
+#include <sqlite3.h>
+
+namespace {
+
+namespace fs = std::filesystem;
+using json = nlohmann::json;
+
+constexpr int kPasswordHashRounds = 20000;
+constexpr auto kSessionLifetime = std::chrono::hours(12);
+const fs::path kDatabasePath = fs::path("data") / "wind_power.db";
+
+struct AccountRecord {
+    std::string username;
+    std::string password_salt;
+    std::string password_hash;
+    bool is_admin = false;
+    std::string expires_on;
+    std::string created_at;
+    bool enabled = true;
+};
+
+class Statement {
+public:
+    Statement(sqlite3* database, const char* sql) {
+        if (sqlite3_prepare_v2(database, sql, -1, &statement_, nullptr) != SQLITE_OK) {
+            statement_ = nullptr;
+        }
+    }
+
+    ~Statement() {
+        if (statement_ != nullptr) {
+            sqlite3_finalize(statement_);
+        }
+    }
+
+    Statement(const Statement&) = delete;
+    Statement& operator=(const Statement&) = delete;
+
+    sqlite3_stmt* Get() const {
+        return statement_;
+    }
+
+    explicit operator bool() const {
+        return statement_ != nullptr;
+    }
+
+private:
+    sqlite3_stmt* statement_ = nullptr;
+};
+
+std::string ColumnText(sqlite3_stmt* statement, int column) {
+    const auto* value = sqlite3_column_text(statement, column);
+    return value == nullptr ? "" : reinterpret_cast<const char*>(value);
+}
+
+std::string CurrentDate() {
+    const auto now = std::time(nullptr);
+    std::tm local_time = {};
+    localtime_r(&now, &local_time);
+    char buffer[11] = {};
+    std::strftime(buffer, sizeof(buffer), "%Y-%m-%d", &local_time);
+    return buffer;
+}
+
+std::string CurrentDateTime() {
+    const auto now = std::time(nullptr);
+    std::tm local_time = {};
+    localtime_r(&now, &local_time);
+    char buffer[20] = {};
+    std::strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", &local_time);
+    return buffer;
+}
+
+bool IsValidDate(const std::string& value) {
+    if (!std::regex_match(value, std::regex(R"(^\d{4}-\d{2}-\d{2}$)"))) {
+        return false;
+    }
+    std::tm parsed = {};
+    if (strptime(value.c_str(), "%Y-%m-%d", &parsed) == nullptr) {
+        return false;
+    }
+    parsed.tm_isdst = -1;
+    const auto timestamp = std::mktime(&parsed);
+    if (timestamp == static_cast<std::time_t>(-1)) {
+        return false;
+    }
+    std::tm normalized = {};
+    localtime_r(&timestamp, &normalized);
+    char buffer[11] = {};
+    std::strftime(buffer, sizeof(buffer), "%Y-%m-%d", &normalized);
+    return value == buffer;
+}
+
+bool IsExpired(const AccountRecord& account) {
+    return !account.expires_on.empty() && CurrentDate() > account.expires_on;
+}
+
+std::string HashPassword(const std::string& password, const std::string& salt) {
+    std::string digest = password + ":" + salt;
+    for (int round = 0; round < kPasswordHashRounds; ++round) {
+        digest = drogon::utils::getSha256(salt + ":" + digest);
+    }
+    return digest;
+}
+
+bool ConstantTimeEquals(const std::string& left, const std::string& right) {
+    if (left.size() != right.size()) {
+        return false;
+    }
+    unsigned char difference = 0;
+    for (size_t index = 0; index < left.size(); ++index) {
+        difference |= static_cast<unsigned char>(left[index] ^ right[index]);
+    }
+    return difference == 0;
+}
+
+bool ValidateUsername(const std::string& username, std::string& error) {
+    if (!std::regex_match(username, std::regex(R"(^[A-Za-z0-9_.-]{3,32}$)"))) {
+        error = "账号只能包含字母、数字、点、下划线或短横线，长度为 3-32 位";
+        return false;
+    }
+    return true;
+}
+
+bool ValidatePassword(const std::string& password, std::string& error) {
+    if (password.size() < 6 || password.size() > 128) {
+        error = "密码长度必须为 6-128 位";
+        return false;
+    }
+    return true;
+}
+
+AuthUser ToAuthUser(const AccountRecord& account) {
+    return AuthUser{
+        account.username,
+        account.is_admin,
+        account.expires_on,
+        account.enabled,
+    };
+}
+
+std::optional<AccountRecord> FindAccount(sqlite3* database, const std::string& username) {
+    Statement statement(database,
+        "SELECT username, password_salt, password_hash, is_admin, expires_on, created_at, "
+        "enabled "
+        "FROM accounts WHERE username = ?");
+    if (!statement) {
+        return std::nullopt;
+    }
+    sqlite3_bind_text(statement.Get(), 1, username.c_str(), -1, SQLITE_TRANSIENT);
+    if (sqlite3_step(statement.Get()) != SQLITE_ROW) {
+        return std::nullopt;
+    }
+    return AccountRecord{
+        ColumnText(statement.Get(), 0),
+        ColumnText(statement.Get(), 1),
+        ColumnText(statement.Get(), 2),
+        sqlite3_column_int(statement.Get(), 3) != 0,
+        ColumnText(statement.Get(), 4),
+        ColumnText(statement.Get(), 5),
+        sqlite3_column_int(statement.Get(), 6) != 0,
+    };
+}
+
+bool HasColumn(sqlite3* database, const std::string& table, const std::string& column) {
+    Statement statement(database, ("PRAGMA table_info(" + table + ")").c_str());
+    if (!statement) {
+        return false;
+    }
+    while (sqlite3_step(statement.Get()) == SQLITE_ROW) {
+        if (ColumnText(statement.Get(), 1) == column) {
+            return true;
+        }
+    }
+    return false;
+}
+
+}  // namespace
+
+AuthManager& AuthManager::Instance() {
+    static AuthManager instance;
+    return instance;
+}
+
+AuthManager::~AuthManager() {
+    if (database_ != nullptr) {
+        sqlite3_close(database_);
+    }
+}
+
+bool AuthManager::Initialize() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    return OpenDatabaseLocked() && CreateSchemaLocked() && BootstrapAdminLocked();
+}
+
+bool AuthManager::OpenDatabaseLocked() {
+    if (database_ != nullptr) {
+        return true;
+    }
+    fs::create_directories(kDatabasePath.parent_path());
+    if (sqlite3_open_v2(kDatabasePath.c_str(),
+                        &database_,
+                        SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FULLMUTEX,
+                        nullptr) != SQLITE_OK) {
+        return false;
+    }
+    sqlite3_busy_timeout(database_, 5000);
+    return sqlite3_exec(database_, "PRAGMA journal_mode=WAL;", nullptr, nullptr, nullptr) ==
+        SQLITE_OK;
+}
+
+bool AuthManager::CreateSchemaLocked() {
+    constexpr const char* kSchema =
+        "CREATE TABLE IF NOT EXISTS accounts ("
+        "username TEXT PRIMARY KEY NOT NULL,"
+        "password_salt TEXT NOT NULL,"
+        "password_hash TEXT NOT NULL,"
+        "is_admin INTEGER NOT NULL DEFAULT 0,"
+        "expires_on TEXT NOT NULL DEFAULT '',"
+        "created_at TEXT NOT NULL,"
+        "enabled INTEGER NOT NULL DEFAULT 1"
+        ");";
+    if (sqlite3_exec(database_, kSchema, nullptr, nullptr, nullptr) != SQLITE_OK) {
+        return false;
+    }
+    if (HasColumn(database_, "accounts", "enabled")) {
+        return true;
+    }
+    constexpr const char* kAddEnabled =
+        "ALTER TABLE accounts ADD COLUMN enabled INTEGER NOT NULL DEFAULT 1";
+    return sqlite3_exec(database_, kAddEnabled, nullptr, nullptr, nullptr) == SQLITE_OK;
+}
+
+bool AuthManager::BootstrapAdminLocked() {
+    if (FindAccount(database_, "admin").has_value()) {
+        return true;
+    }
+    const auto salt = drogon::utils::secureRandomString(32);
+    const auto password_hash = HashPassword("nwl888888", salt);
+    const auto created_at = CurrentDateTime();
+    Statement statement(database_,
+        "INSERT INTO accounts "
+        "(username, password_salt, password_hash, is_admin, expires_on, created_at) "
+        "VALUES (?, ?, ?, 1, '', ?)");
+    if (!statement) {
+        return false;
+    }
+    sqlite3_bind_text(statement.Get(), 1, "admin", -1, SQLITE_STATIC);
+    sqlite3_bind_text(statement.Get(), 2, salt.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 3, password_hash.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 4, created_at.c_str(), -1, SQLITE_TRANSIENT);
+    return sqlite3_step(statement.Get()) == SQLITE_DONE;
+}
+
+AuthResult AuthManager::Login(const std::string& username,
+                              const std::string& password,
+                              std::string& token) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    const auto account = FindAccount(database_, username);
+    if (!account.has_value() ||
+        !ConstantTimeEquals(HashPassword(password, account->password_salt),
+                            account->password_hash)) {
+        return {};
+    }
+    if (!account->enabled) {
+        return {AuthStatus::kDisabled, ToAuthUser(account.value())};
+    }
+    if (IsExpired(account.value())) {
+        return {AuthStatus::kExpired, ToAuthUser(account.value())};
+    }
+    token = drogon::utils::secureRandomString(48);
+    sessions_[token] = Session{username, std::chrono::system_clock::now() + kSessionLifetime};
+    return {AuthStatus::kAuthenticated, ToAuthUser(account.value())};
+}
+
+AuthResult AuthManager::Authenticate(const std::string& token) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    if (token.empty()) {
+        return {};
+    }
+    const auto session = sessions_.find(token);
+    if (session == sessions_.end() || session->second.expires_at <= std::chrono::system_clock::now()) {
+        if (session != sessions_.end()) {
+            sessions_.erase(session);
+        }
+        return {};
+    }
+    const auto account = FindAccount(database_, session->second.username);
+    if (!account.has_value()) {
+        sessions_.erase(session);
+        return {};
+    }
+    if (!account->enabled) {
+        sessions_.erase(session);
+        return {AuthStatus::kDisabled, ToAuthUser(account.value())};
+    }
+    if (IsExpired(account.value())) {
+        sessions_.erase(session);
+        return {AuthStatus::kExpired, ToAuthUser(account.value())};
+    }
+    return {AuthStatus::kAuthenticated, ToAuthUser(account.value())};
+}
+
+void AuthManager::Logout(const std::string& token) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    sessions_.erase(token);
+}
+
+nlohmann::json AuthManager::ListAccounts() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    json result = json::array();
+    Statement statement(database_,
+        "SELECT username, is_admin, expires_on, created_at, enabled "
+        "FROM accounts ORDER BY is_admin DESC, username");
+    if (!statement) {
+        return result;
+    }
+    while (sqlite3_step(statement.Get()) == SQLITE_ROW) {
+        AccountRecord account;
+        account.username = ColumnText(statement.Get(), 0);
+        account.is_admin = sqlite3_column_int(statement.Get(), 1) != 0;
+        account.expires_on = ColumnText(statement.Get(), 2);
+        account.created_at = ColumnText(statement.Get(), 3);
+        account.enabled = sqlite3_column_int(statement.Get(), 4) != 0;
+        result.push_back({
+            {"username", account.username},
+            {"is_admin", account.is_admin},
+            {"expires_on", account.expires_on},
+            {"permanent", account.expires_on.empty()},
+            {"enabled", account.enabled},
+            {"created_at", account.created_at},
+            {"expired", IsExpired(account)},
+        });
+    }
+    return result;
+}
+
+bool AuthManager::CreateAccount(const std::string& username,
+                                const std::string& password,
+                                const std::string& expires_on,
+                                std::string& error) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    if (!ValidateUsername(username, error) || !ValidatePassword(password, error)) {
+        return false;
+    }
+    if (!expires_on.empty() &&
+        (!IsValidDate(expires_on) || expires_on < CurrentDate())) {
+        error = "有效期必须是今天或之后的有效日期";
+        return false;
+    }
+    if (FindAccount(database_, username).has_value()) {
+        error = "账号已存在";
+        return false;
+    }
+    const auto salt = drogon::utils::secureRandomString(32);
+    const auto password_hash = HashPassword(password, salt);
+    const auto created_at = CurrentDateTime();
+    Statement statement(database_,
+        "INSERT INTO accounts "
+        "(username, password_salt, password_hash, is_admin, expires_on, created_at) "
+        "VALUES (?, ?, ?, 0, ?, ?)");
+    if (!statement) {
+        error = "保存账号失败";
+        return false;
+    }
+    sqlite3_bind_text(statement.Get(), 1, username.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 2, salt.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 3, password_hash.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 4, expires_on.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 5, created_at.c_str(), -1, SQLITE_TRANSIENT);
+    if (sqlite3_step(statement.Get()) != SQLITE_DONE) {
+        error = "保存账号失败";
+        return false;
+    }
+    return true;
+}
+
+bool AuthManager::UpdateAccount(const std::string& username,
+                                const std::optional<std::string>& password,
+                                const std::string& expires_on,
+                                const std::optional<bool>& enabled,
+                                std::string& error) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    const auto account = FindAccount(database_, username);
+    if (!account.has_value()) {
+        error = "账号不存在";
+        return false;
+    }
+    if (account->is_admin) {
+        error = "内置管理员账号不能修改有效期";
+        return false;
+    }
+    if (!expires_on.empty() && !IsValidDate(expires_on)) {
+        error = "请输入有效日期";
+        return false;
+    }
+    if (password.has_value() && !password->empty() &&
+        !ValidatePassword(password.value(), error)) {
+        return false;
+    }
+    std::string salt = account->password_salt;
+    std::string password_hash = account->password_hash;
+    const bool account_enabled = enabled.value_or(account->enabled);
+    if (password.has_value() && !password->empty()) {
+        salt = drogon::utils::secureRandomString(32);
+        password_hash = HashPassword(password.value(), salt);
+    }
+    Statement statement(database_,
+        "UPDATE accounts SET password_salt = ?, password_hash = ?, expires_on = ?, "
+        "enabled = ? WHERE username = ?");
+    if (!statement) {
+        error = "保存账号失败";
+        return false;
+    }
+    sqlite3_bind_text(statement.Get(), 1, salt.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 2, password_hash.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_text(statement.Get(), 3, expires_on.c_str(), -1, SQLITE_TRANSIENT);
+    sqlite3_bind_int(statement.Get(), 4, account_enabled ? 1 : 0);
+    sqlite3_bind_text(statement.Get(), 5, username.c_str(), -1, SQLITE_TRANSIENT);
+    if (sqlite3_step(statement.Get()) != SQLITE_DONE) {
+        error = "保存账号失败";
+        return false;
+    }
+    InvalidateUserSessionsLocked(username);
+    return true;
+}
+
+void AuthManager::InvalidateUserSessionsLocked(const std::string& username) {
+    for (auto iterator = sessions_.begin(); iterator != sessions_.end();) {
+        if (iterator->second.username == username) {
+            iterator = sessions_.erase(iterator);
+        } else {
+            ++iterator;
+        }
+    }
+}
diff --git a/backend/src/auth/AuthManager.h b/backend/src/auth/AuthManager.h
new file mode 100644
index 0000000..fc996b6
--- /dev/null
+++ b/backend/src/auth/AuthManager.h
@@ -0,0 +1,76 @@
+#ifndef AUTHMANAGER_H
+#define AUTHMANAGER_H
+
+#include <chrono>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <unordered_map>
+
+#include <nlohmann/json.hpp>
+
+struct sqlite3;
+
+struct AuthUser {
+    std::string username;
+    bool is_admin = false;
+    std::string expires_on;
+    bool enabled = true;
+};
+
+enum class AuthStatus {
+    kAuthenticated,
+    kUnauthenticated,
+    kExpired,
+    kDisabled,
+};
+
+struct AuthResult {
+    AuthStatus status = AuthStatus::kUnauthenticated;
+    AuthUser user;
+};
+
+class AuthManager {
+public:
+    static constexpr const char* kSessionCookie = "wind_session";
+
+    static AuthManager& Instance();
+
+    bool Initialize();
+    AuthResult Login(const std::string& username,
+                     const std::string& password,
+                     std::string& token);
+    AuthResult Authenticate(const std::string& token);
+    void Logout(const std::string& token);
+
+    nlohmann::json ListAccounts();
+    bool CreateAccount(const std::string& username,
+                       const std::string& password,
+                       const std::string& expires_on,
+                       std::string& error);
+    bool UpdateAccount(const std::string& username,
+                       const std::optional<std::string>& password,
+                       const std::string& expires_on,
+                       const std::optional<bool>& enabled,
+                       std::string& error);
+
+private:
+    struct Session {
+        std::string username;
+        std::chrono::system_clock::time_point expires_at;
+    };
+
+    AuthManager() = default;
+    ~AuthManager();
+
+    bool OpenDatabaseLocked();
+    bool CreateSchemaLocked();
+    bool BootstrapAdminLocked();
+    void InvalidateUserSessionsLocked(const std::string& username);
+
+    std::mutex mutex_;
+    sqlite3* database_ = nullptr;
+    std::unordered_map<std::string, Session> sessions_;
+};
+
+#endif
diff --git a/backend/src/controllers/AuthController.cpp b/backend/src/controllers/AuthController.cpp
new file mode 100644
index 0000000..174ad29
--- /dev/null
+++ b/backend/src/controllers/AuthController.cpp
@@ -0,0 +1,185 @@
+#include "AuthController.h"
+
+#include <trantor/utils/Logger.h>
+
+#include <optional>
+#include <string>
+
+#include <drogon/Cookie.h>
+#include <nlohmann/json.hpp>
+
+#include "auth/AuthManager.h"
+#include "utils/ResponseUtil.h"
+
+namespace {
+
+using json = nlohmann::json;
+
+std::optional<json> ParseBody(const drogon::HttpRequestPtr& req) {
+    try {
+        return json::parse(req->body());
+    } catch (const std::exception&) {
+        return std::nullopt;
+    }
+}
+
+json UserJson(const AuthUser& user) {
+    return {
+        {"username", user.username},
+        {"is_admin", user.is_admin},
+        {"expires_on", user.expires_on},
+        {"permanent", user.expires_on.empty()},
+        {"enabled", user.enabled},
+    };
+}
+
+void SendAuthError(DrogonCallback& callback, const AuthResult& auth) {
+    if (auth.status == AuthStatus::kExpired || auth.status == AuthStatus::kDisabled) {
+        SendError(callback, 4, "账号异常请联系管理员", drogon::k401Unauthorized);
+    } else {
+        SendError(callback, 2, "请先登录", drogon::k401Unauthorized);
+    }
+}
+
+std::optional<AuthUser> RequireAdmin(const drogon::HttpRequestPtr& req,
+                                     DrogonCallback& callback) {
+    const auto auth = AuthManager::Instance().Authenticate(
+        req->getCookie(AuthManager::kSessionCookie));
+    if (auth.status != AuthStatus::kAuthenticated) {
+        SendAuthError(callback, auth);
+        return std::nullopt;
+    }
+    if (!auth.user.is_admin) {
+        SendForbidden(callback, "仅管理员可管理账号");
+        return std::nullopt;
+    }
+    return auth.user;
+}
+
+void AddSessionCookie(const drogon::HttpResponsePtr& response,
+                      const std::string& token,
+                      int max_age) {
+    drogon::Cookie cookie(AuthManager::kSessionCookie, token);
+    cookie.setPath("/");
+    cookie.setHttpOnly(true);
+    cookie.setSameSite(drogon::Cookie::SameSite::kLax);
+    cookie.setMaxAge(max_age);
+    response->addCookie(std::move(cookie));
+}
+
+drogon::HttpResponsePtr MakeJsonResponse(const json& body) {
+    auto response = drogon::HttpResponse::newHttpResponse();
+    response->setContentTypeCode(drogon::CT_APPLICATION_JSON);
+    response->setBody(body.dump());
+    return response;
+}
+
+}  // namespace
+
+void AuthController::Login(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback) {
+    const auto body = ParseBody(req);
+    if (!body.has_value() || !body->is_object()) {
+        SendError(callback, 1, "登录参数格式错误");
+        return;
+    }
+    const auto username = body->value("username", "");
+    const auto password = body->value("password", "");
+    std::string token;
+    const auto auth = AuthManager::Instance().Login(username, password, token);
+    if (auth.status == AuthStatus::kExpired || auth.status == AuthStatus::kDisabled) {
+        SendError(callback, 4, "账号异常请联系管理员", drogon::k401Unauthorized);
+        return;
+    }
+    if (auth.status != AuthStatus::kAuthenticated) {
+        SendError(callback, 2, "账号或密码错误", drogon::k401Unauthorized);
+        return;
+    }
+    auto response = MakeJsonResponse(
+        ResponseUtil::GenerateSuccessResponse(UserJson(auth.user)));
+    AddSessionCookie(response, token, 12 * 60 * 60);
+    callback(response);
+}
+
+void AuthController::Logout(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback) {
+    AuthManager::Instance().Logout(req->getCookie(AuthManager::kSessionCookie));
+    auto response = MakeJsonResponse(ResponseUtil::GenerateSuccessResponse());
+    AddSessionCookie(response, "", 0);
+    callback(response);
+}
+
+void AuthController::GetCurrentUser(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback) {
+    const auto auth = AuthManager::Instance().Authenticate(
+        req->getCookie(AuthManager::kSessionCookie));
+    if (auth.status != AuthStatus::kAuthenticated) {
+        SendAuthError(callback, auth);
+        return;
+    }
+    SendSuccess(callback, UserJson(auth.user));
+}
+
+void AuthController::ListAccounts(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback) {
+    if (!RequireAdmin(req, callback).has_value()) {
+        return;
+    }
+    SendSuccess(callback, json{{"accounts", AuthManager::Instance().ListAccounts()}});
+}
+
+void AuthController::CreateAccount(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback) {
+    if (!RequireAdmin(req, callback).has_value()) {
+        return;
+    }
+    const auto body = ParseBody(req);
+    if (!body.has_value() || !body->is_object()) {
+        SendError(callback, 1, "账号参数格式错误");
+        return;
+    }
+    std::string error;
+    if (!AuthManager::Instance().CreateAccount(
+            body->value("username", ""),
+            body->value("password", ""),
+            body->value("expires_on", ""),
+            error)) {
+        SendError(callback, 1, error);
+        return;
+    }
+    SendSuccess(callback);
+}
+
+void AuthController::UpdateAccount(
+    const drogon::HttpRequestPtr& req,
+    std::function<void(const drogon::HttpResponsePtr&)>&& callback,
+    const std::string& username) {
+    if (!RequireAdmin(req, callback).has_value()) {
+        return;
+    }
+    const auto body = ParseBody(req);
+    if (!body.has_value() || !body->is_object()) {
+        SendError(callback, 1, "账号参数格式错误");
+        return;
+    }
+    std::optional<std::string> password;
+    if (body->contains("password") && (*body)["password"].is_string()) {
+        password = (*body)["password"].get<std::string>();
+    }
+    std::optional<bool> enabled;
+    if (body->contains("enabled") && (*body)["enabled"].is_boolean()) {
+        enabled = (*body)["enabled"].get<bool>();
+    }
+    std::string error;
+    if (!AuthManager::Instance().UpdateAccount(
+            username, password, body->value("expires_on", ""), enabled, error)) {
+        SendError(callback, 1, error);
+        return;
+    }
+    SendSuccess(callback);
+}
diff --git a/backend/src/controllers/AuthController.h b/backend/src/controllers/AuthController.h
new file mode 100644
index 0000000..b72b7a1
--- /dev/null
+++ b/backend/src/controllers/AuthController.h
@@ -0,0 +1,34 @@
+#ifndef AUTHCONTROLLER_H
+#define AUTHCONTROLLER_H
+
+#include <drogon/HttpController.h>
+
+class AuthController : public drogon::HttpController<AuthController, false> {
+public:
+    METHOD_LIST_BEGIN
+    ADD_METHOD_TO(AuthController::Login, "/api/auth/login", drogon::Post);
+    ADD_METHOD_TO(AuthController::Logout, "/api/auth/logout", drogon::Post);
+    ADD_METHOD_TO(AuthController::GetCurrentUser, "/api/auth/me", drogon::Get);
+    ADD_METHOD_TO(AuthController::ListAccounts, "/api/admin/accounts", drogon::Get);
+    ADD_METHOD_TO(AuthController::CreateAccount, "/api/admin/accounts", drogon::Post);
+    ADD_METHOD_TO(AuthController::UpdateAccount,
+                  "/api/admin/accounts/{1}",
+                  drogon::Put);
+    METHOD_LIST_END
+
+    void Login(const drogon::HttpRequestPtr& req,
+               std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+    void Logout(const drogon::HttpRequestPtr& req,
+                std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+    void GetCurrentUser(const drogon::HttpRequestPtr& req,
+                        std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+    void ListAccounts(const drogon::HttpRequestPtr& req,
+                      std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+    void CreateAccount(const drogon::HttpRequestPtr& req,
+                       std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+    void UpdateAccount(const drogon::HttpRequestPtr& req,
+                       std::function<void(const drogon::HttpResponsePtr&)>&& callback,
+                       const std::string& username);
+};
+
+#endif
diff --git a/backend/src/controllers/WindPowerController.cpp b/backend/src/controllers/WindPowerController.cpp
index ab0cbd9..3af8865 100644
--- a/backend/src/controllers/WindPowerController.cpp
+++ b/backend/src/controllers/WindPowerController.cpp
@@ -9,6 +9,7 @@
 #include <filesystem>
 #include <fstream>
 #include <iomanip>
+#include <map>
 #include <mutex>
 #include <optional>
 #include <random>
@@ -16,6 +17,7 @@
 #include <sstream>
 #include <string>
 #include <unordered_map>
+#include <unordered_set>
 #include <vector>
 
 #include <xlsxwriter/format.h>
@@ -36,11 +38,15 @@ constexpr auto kUploadIdleTimeout = std::chrono::minutes(30);
 constexpr auto kCompletedJobRetention = std::chrono::hours(24);
 constexpr const char* kDefaultSchemeId = "scheme_one";
 constexpr const char* kSchemeTwoId = "scheme_two";
+constexpr const char* kSchemeThreeId = "scheme_three";
 constexpr const char* kSchemeOneName = "方案一";
 constexpr const char* kSchemeTwoName = "方案二";
+constexpr const char* kSchemeThreeName = "方案三";
 constexpr const char* kSchemeOneDefaultDescription = "通用方案";
 constexpr const char* kSchemeTwoDefaultDescription =
     "桨角筛选方案，使用三支叶片角度平均值、600s 平均风速和手填转速/功率参数";
+constexpr const char* kSchemeThreeDefaultDescription =
+    "叶轮转速方案，叶尖速比直接使用叶轮转速计算，不使用齿轮箱传动比";
 
 struct RawRow {
     std::string time;
@@ -48,6 +54,7 @@ struct RawRow {
     double wind_speed = 0.0;
     double active_power = 0.0;
     double generator_speed = 0.0;
+    double rotor_speed = 0.0;
 };
 
 struct ValidRow {
@@ -58,6 +65,7 @@ struct ValidRow {
     double wind_speed = 0.0;
     double active_power = 0.0;
     double generator_speed = 0.0;
+    double rotor_speed = 0.0;
     double blade_pitch_1 = 0.0;
     double blade_pitch_2 = 0.0;
     double blade_pitch_3 = 0.0;
@@ -125,6 +133,17 @@ struct SchemeInfo {
     double rated_generator_speed = 1755.0;
     double rated_power = 2000.0;
     double scheme_two_report_wind_speed_interval = 0.25;
+    double scheme_three_rated_power = 4800.0;
+    double scheme_three_rated_wind_speed = 14.0;
+    double scheme_three_power_step = 5.0;
+    double scheme_three_cleaning_wind_speed_step = 0.25;
+    double scheme_three_wind_speed_change_threshold = 1.0;
+    double scheme_three_iqr_lower_multiplier = 1.2;
+    double scheme_three_iqr_upper_multiplier = 2.0;
+    double scheme_three_minimum_generator_speed = 1.0;
+    double scheme_three_generator_speed_k = 0.9;
+    double scheme_three_rotor_radius = 78.0;
+    double scheme_three_report_wind_speed_interval = 0.25;
 };
 
 constexpr double kRatedCornerWindBefore = 0.5;
@@ -170,6 +189,14 @@ fs::path JobResultPath(const std::string& job_id) {
     return JobDir(job_id) / "result.json";
 }
 
+fs::path JobPointsDir(const std::string& job_id) {
+    return JobDir(job_id) / "points";
+}
+
+fs::path JobFanPointsPath(const std::string& job_id, size_t fan_index) {
+    return JobPointsDir(job_id) / ("fan_" + std::to_string(fan_index) + ".json");
+}
+
 std::mutex g_task_mutex;
 std::string g_active_job_id;
 std::chrono::steady_clock::time_point g_active_since;
@@ -279,6 +306,28 @@ std::string FileNameForFan(const std::string& fan_id) {
     return output.empty() ? "wind_turbine" : output;
 }
 
+std::string PointIdFor(const json& point, const std::string& fan_id) {
+    const auto text = [&point](const char* field) {
+        return point.contains(field) ? JsonText(point[field]) : "";
+    };
+    const auto point_fan_id = text("fan_id");
+    return (point_fan_id.empty() ? fan_id : point_fan_id) + "|" + text("time") + "|" +
+           text("wind_speed") + "|" + text("active_power") + "|" + text("reason");
+}
+
+std::unordered_set<std::string> PointIdSet(const json& body, const char* field) {
+    std::unordered_set<std::string> ids;
+    if (!body.contains(field) || !body[field].is_array()) {
+        return ids;
+    }
+    for (const auto& value : body[field]) {
+        if (value.is_string()) {
+            ids.insert(value.get<std::string>());
+        }
+    }
+    return ids;
+}
+
 fs::path SchemeConfigPath() {
     return fs::path("data") / "wind_schemes.json";
 }
@@ -485,7 +534,13 @@ bool SaveChartOptionsToFile(const json& options) {
 }
 
 std::string NormalizeSchemeId(const std::string& scheme_id) {
-    return scheme_id == kSchemeTwoId ? kSchemeTwoId : kDefaultSchemeId;
+    if (scheme_id == kSchemeTwoId) {
+        return kSchemeTwoId;
+    }
+    if (scheme_id == kSchemeThreeId) {
+        return kSchemeThreeId;
+    }
+    return kDefaultSchemeId;
 }
 
 std::vector<SchemeInfo> DefaultSchemes() {
@@ -498,7 +553,12 @@ std::vector<SchemeInfo> DefaultSchemes() {
     scheme_two.id = kSchemeTwoId;
     scheme_two.name = kSchemeTwoName;
     scheme_two.description = kSchemeTwoDefaultDescription;
-    return {scheme_one, scheme_two};
+
+    SchemeInfo scheme_three;
+    scheme_three.id = kSchemeThreeId;
+    scheme_three.name = kSchemeThreeName;
+    scheme_three.description = kSchemeThreeDefaultDescription;
+    return {scheme_one, scheme_two, scheme_three};
 }
 
 std::optional<SchemeInfo> FindScheme(const std::vector<SchemeInfo>& schemes,
@@ -538,6 +598,20 @@ json SchemeToJson(const SchemeInfo& scheme) {
         data["parameters"]["rated_power"] = scheme.rated_power;
         data["parameters"]["report_wind_speed_interval"] =
             scheme.scheme_two_report_wind_speed_interval;
+    } else if (scheme.id == kSchemeThreeId) {
+        data["parameters"] = {
+            {"rated_power", scheme.scheme_three_rated_power},
+            {"rated_wind_speed", scheme.scheme_three_rated_wind_speed},
+            {"power_step", scheme.scheme_three_power_step},
+            {"cleaning_wind_speed_step", scheme.scheme_three_cleaning_wind_speed_step},
+            {"wind_speed_change_threshold", scheme.scheme_three_wind_speed_change_threshold},
+            {"iqr_lower_multiplier", scheme.scheme_three_iqr_lower_multiplier},
+            {"iqr_upper_multiplier", scheme.scheme_three_iqr_upper_multiplier},
+            {"minimum_generator_speed", scheme.scheme_three_minimum_generator_speed},
+            {"generator_speed_k", scheme.scheme_three_generator_speed_k},
+            {"rotor_radius", scheme.scheme_three_rotor_radius},
+            {"report_wind_speed_interval", scheme.scheme_three_report_wind_speed_interval},
+        };
     }
     return data;
 }
@@ -615,6 +689,40 @@ std::vector<SchemeInfo> LoadSchemes() {
                         value.has_value() && value.value() > 0.0 && value.value() <= 2.0) {
                         scheme.scheme_two_report_wind_speed_interval = value.value();
                     }
+                } else if (scheme.id == kSchemeThreeId) {
+                    const auto load_positive = [&](const std::string& field, double& target) {
+                        if (const auto value = GetNumberField(params, field);
+                            value.has_value() && std::isfinite(value.value()) &&
+                                value.value() > 0.0) {
+                            target = value.value();
+                        }
+                    };
+                    const auto load_non_negative = [&](const std::string& field,
+                                                       double& target) {
+                        if (const auto value = GetNumberField(params, field);
+                            value.has_value() && std::isfinite(value.value()) &&
+                                value.value() >= 0.0) {
+                            target = value.value();
+                        }
+                    };
+                    load_positive("rated_power", scheme.scheme_three_rated_power);
+                    load_positive("rated_wind_speed", scheme.scheme_three_rated_wind_speed);
+                    load_positive("power_step", scheme.scheme_three_power_step);
+                    load_positive("cleaning_wind_speed_step",
+                                  scheme.scheme_three_cleaning_wind_speed_step);
+                    load_non_negative("wind_speed_change_threshold",
+                                      scheme.scheme_three_wind_speed_change_threshold);
+                    load_non_negative("iqr_lower_multiplier",
+                                      scheme.scheme_three_iqr_lower_multiplier);
+                    load_non_negative("iqr_upper_multiplier",
+                                      scheme.scheme_three_iqr_upper_multiplier);
+                    load_non_negative("minimum_generator_speed",
+                                      scheme.scheme_three_minimum_generator_speed);
+                    load_non_negative("generator_speed_k",
+                                      scheme.scheme_three_generator_speed_k);
+                    load_positive("rotor_radius", scheme.scheme_three_rotor_radius);
+                    load_positive("report_wind_speed_interval",
+                                  scheme.scheme_three_report_wind_speed_interval);
                 }
             }
         }
@@ -713,6 +821,53 @@ std::optional<std::time_t> ParseTime(std::string value) {
     return std::mktime(&tm);
 }
 
+std::string NormalizeRawTime(const json& value) {
+    if (value.is_number()) {
+        // Excel serial dates use 1899-12-30 as the practical epoch.
+        const auto seconds = static_cast<std::time_t>((value.get<double>() - 25569.0) * 86400.0);
+        std::tm tm = {};
+        localtime_r(&seconds, &tm);
+        std::ostringstream output;
+        output << std::put_time(&tm, "%Y-%m-%d %H:%M:%S");
+        return output.str();
+    }
+    return JsonText(value);
+}
+
+std::optional<json> BuildStandardRow(const json& raw_row, const json& metadata) {
+    if (!raw_row.is_object() || !raw_row.contains("values") || !raw_row["values"].is_array()) {
+        return std::nullopt;
+    }
+    const auto headers = metadata.value("raw_headers", json::array());
+    const auto mapping = metadata.value("mapping", json::object());
+    if (!headers.is_array() || !mapping.is_object()) {
+        return std::nullopt;
+    }
+    const auto& values = raw_row["values"];
+    json row = json::object();
+    for (const char* field : {"time", "fan_id", "wind_speed", "active_power", "generator_speed",
+                              "rotor_speed", "blade_pitch_1", "blade_pitch_2", "blade_pitch_3"}) {
+        const auto header = mapping.value(field, "");
+        size_t index = headers.size();
+        for (size_t i = 0; i < headers.size(); ++i) {
+            if (headers[i].is_string() && headers[i].get<std::string>() == header) {
+                index = i;
+                break;
+            }
+        }
+        if (index >= values.size()) {
+            row[field] = nullptr;
+        } else if (std::string(field) == "time") {
+            row[field] = NormalizeRawTime(values[index]);
+        } else if (std::string(field) == "fan_id") {
+            row[field] = Trim(JsonText(values[index]));
+        } else {
+            row[field] = values[index];
+        }
+    }
+    return row;
+}
+
 json CounterJson(const std::unordered_map<std::string, int>& counters) {
     json data = json::object();
     for (const auto& item : counters) {
@@ -851,6 +1006,10 @@ bool IsSchemeTwo(const CalculationOptions& options) {
     return options.scheme_id == kSchemeTwoId;
 }
 
+bool IsSchemeThree(const CalculationOptions& options) {
+    return options.scheme_id == kSchemeThreeId;
+}
+
 void AddInvalid(std::unordered_map<std::string, int>& counters, const std::string& reason) {
     counters[reason] += 1;
 }
@@ -1021,18 +1180,21 @@ std::vector<ValidRow> FilterByWindBinIqr(const std::vector<ValidRow>& rows,
         max_wind = std::max(max_wind, row.wind_speed);
     }
 
+    std::map<long long, std::vector<ValidRow>> buckets;
+    for (const auto& row : rows) {
+        const auto bucket = static_cast<long long>(std::floor(
+            (row.wind_speed - min_wind) / options.cleaning_wind_speed_step + 1e-9));
+        buckets[bucket].push_back(row);
+    }
+
     std::vector<ValidRow> result;
     result.reserve(rows.size());
-    for (double interval = min_wind; interval <= max_wind;
-         interval += options.cleaning_wind_speed_step) {
-        std::vector<ValidRow> interval_rows;
+    for (const auto& item : buckets) {
+        const auto& interval_rows = item.second;
         std::vector<double> values;
-        for (const auto& row : rows) {
-            if (row.wind_speed >= interval &&
-                row.wind_speed < interval + options.cleaning_wind_speed_step) {
-                interval_rows.push_back(row);
-                values.push_back(value_getter(row));
-            }
+        values.reserve(interval_rows.size());
+        for (const auto& row : interval_rows) {
+            values.push_back(value_getter(row));
         }
 
         if (interval_rows.empty()) {
@@ -1074,18 +1236,22 @@ std::vector<CurveBin> BuildMedianCurveBins(const std::vector<ValidRow>& rows,
 
     const double curve_min = 1.0 - wind_speed_step * 0.5;
     const double curve_max = 25.0 + wind_speed_step * 0.5;
-    std::vector<CurveBin> bins;
-    for (double start = curve_min; start < curve_max; start += wind_speed_step) {
-        const double end = start + wind_speed_step;
-        std::vector<double> values;
-        for (const auto& row : rows) {
-            if (row.wind_speed > start && row.wind_speed <= end) {
-                values.push_back(row.active_power);
-            }
+    const auto bucket_count = static_cast<size_t>(std::ceil((curve_max - curve_min) / wind_speed_step));
+    std::vector<std::vector<double>> values_by_bucket(bucket_count);
+    for (const auto& row : rows) {
+        const auto bucket = static_cast<long long>(std::ceil((row.wind_speed - curve_min) /
+                                                              wind_speed_step) - 1.0);
+        if (bucket >= 0 && static_cast<size_t>(bucket) < values_by_bucket.size()) {
+            values_by_bucket[static_cast<size_t>(bucket)].push_back(row.active_power);
         }
+    }
+    std::vector<CurveBin> bins;
+    for (size_t index = 0; index < values_by_bucket.size(); ++index) {
+        const auto& values = values_by_bucket[index];
         if (!values.empty()) {
             CurveBin bin;
-            bin.wind_speed = (start + end) / 2.0;
+            const double start = curve_min + static_cast<double>(index) * wind_speed_step;
+            bin.wind_speed = start + wind_speed_step / 2.0;
             bin.median_power = Quantile(values, 0.5);
             bin.sample_count = values.size();
             bins.push_back(bin);
@@ -1371,14 +1537,14 @@ void WindPowerController::SaveSchemeDescription(
         return;
     }
 
-    std::optional<json> scheme_one_parameters;
+    std::optional<json> scheme_base_parameters;
     std::optional<double> grid_connected_speed;
     std::optional<double> rated_generator_speed;
     std::optional<double> rated_power;
     std::optional<double> report_wind_speed_interval;
-    if (normalized_id == kDefaultSchemeId) {
+    if (normalized_id == kDefaultSchemeId || normalized_id == kSchemeThreeId) {
         if (!body.value().contains("parameters") || !body.value()["parameters"].is_object()) {
-            SendError(callback, kErrorInvalidRequest, "方案一参数格式错误");
+            SendError(callback, kErrorInvalidRequest, "方案参数格式错误");
             return;
         }
         const auto& params = body.value()["parameters"];
@@ -1392,24 +1558,25 @@ void WindPowerController::SaveSchemeDescription(
         };
         if (!valid_positive("rated_power") || !valid_positive("rated_wind_speed") ||
             !valid_positive("power_step") || !valid_positive("cleaning_wind_speed_step") ||
-            !valid_positive("rotor_radius") || !valid_positive("gearbox_ratio") ||
+            !valid_positive("rotor_radius") ||
+            (normalized_id == kDefaultSchemeId && !valid_positive("gearbox_ratio")) ||
             !valid_positive("report_wind_speed_interval") ||
             !valid_non_negative("wind_speed_change_threshold") ||
             !valid_non_negative("iqr_lower_multiplier") ||
             !valid_non_negative("iqr_upper_multiplier") ||
             !valid_non_negative("minimum_generator_speed") ||
             !valid_non_negative("generator_speed_k")) {
-            SendError(callback, kErrorInvalidRequest, "方案一参数必须为合法数值");
+            SendError(callback, kErrorInvalidRequest, "方案参数必须为合法数值");
             return;
         }
         if (GetDoubleField(params, "cleaning_wind_speed_step").value() > 2.0 ||
             GetDoubleField(params, "report_wind_speed_interval").value() > 2.0 ||
             GetDoubleField(params, "iqr_lower_multiplier").value() > 10.0 ||
             GetDoubleField(params, "iqr_upper_multiplier").value() > 10.0) {
-            SendError(callback, kErrorInvalidRequest, "方案一参数超出允许范围");
+            SendError(callback, kErrorInvalidRequest, "方案参数超出允许范围");
             return;
         }
-        scheme_one_parameters = params;
+        scheme_base_parameters = params;
     } else if (normalized_id == kSchemeTwoId && body.value().contains("parameters")) {
         if (!body.value()["parameters"].is_object()) {
             SendError(callback, kErrorInvalidRequest, "方案参数格式错误");
@@ -1436,7 +1603,7 @@ void WindPowerController::SaveSchemeDescription(
         if (scheme.id == normalized_id) {
             scheme.description = description.value();
             if (scheme.id == kDefaultSchemeId) {
-                const auto& params = scheme_one_parameters.value();
+                const auto& params = scheme_base_parameters.value();
                 scheme.scheme_one_rated_power = GetDoubleField(params, "rated_power").value();
                 scheme.scheme_one_rated_wind_speed = GetDoubleField(params, "rated_wind_speed").value();
                 scheme.scheme_one_power_step = GetDoubleField(params, "power_step").value();
@@ -1470,6 +1637,30 @@ void WindPowerController::SaveSchemeDescription(
                     scheme.scheme_two_report_wind_speed_interval =
                         report_wind_speed_interval.value();
                 }
+            } else if (scheme.id == kSchemeThreeId) {
+                const auto& params = scheme_base_parameters.value();
+                scheme.scheme_three_rated_power =
+                    GetDoubleField(params, "rated_power").value();
+                scheme.scheme_three_rated_wind_speed =
+                    GetDoubleField(params, "rated_wind_speed").value();
+                scheme.scheme_three_power_step =
+                    GetDoubleField(params, "power_step").value();
+                scheme.scheme_three_cleaning_wind_speed_step =
+                    GetDoubleField(params, "cleaning_wind_speed_step").value();
+                scheme.scheme_three_wind_speed_change_threshold =
+                    GetDoubleField(params, "wind_speed_change_threshold").value();
+                scheme.scheme_three_iqr_lower_multiplier =
+                    GetDoubleField(params, "iqr_lower_multiplier").value();
+                scheme.scheme_three_iqr_upper_multiplier =
+                    GetDoubleField(params, "iqr_upper_multiplier").value();
+                scheme.scheme_three_minimum_generator_speed =
+                    GetDoubleField(params, "minimum_generator_speed").value();
+                scheme.scheme_three_generator_speed_k =
+                    GetDoubleField(params, "generator_speed_k").value();
+                scheme.scheme_three_rotor_radius =
+                    GetDoubleField(params, "rotor_radius").value();
+                scheme.scheme_three_report_wind_speed_interval =
+                    GetDoubleField(params, "report_wind_speed_interval").value();
             }
             updated = true;
             break;
@@ -1588,8 +1779,8 @@ void WindPowerController::UploadChunk(
         SendError(callback, kErrorJobNotFound, "计算任务不存在");
         return;
     }
-    if (!body->contains("rows") || !(*body)["rows"].is_array()) {
-        SendError(callback, kErrorInvalidRequest, "缺少 rows 参数");
+    if (!body->contains("raw_rows") || !(*body)["raw_rows"].is_array()) {
+        SendError(callback, kErrorInvalidRequest, "缺少 raw_rows 参数");
         return;
     }
     if (IsTaskBusyFor(job_id.value())) {
@@ -1597,22 +1788,26 @@ void WindPowerController::UploadChunk(
         return;
     }
     try {
+        json metadata;
+        {
+            std::ifstream meta(JobDir(job_id.value()) / "metadata.json");
+            meta >> metadata;
+        }
         std::ofstream out(JobRowsPath(job_id.value()), std::ios::app);
         std::ofstream raw_out(JobRawRowsPath(job_id.value()), std::ios::app);
         int accepted = 0;
-        for (const auto& row : (*body)["rows"]) {
-            if (!row.is_object()) {
+        for (const auto& raw_row : (*body)["raw_rows"]) {
+            if (!raw_row.is_object()) {
                 continue;
             }
-            out << row.dump() << '\n';
-            ++accepted;
-        }
-        out.close();
-        if (body->contains("raw_rows") && (*body)["raw_rows"].is_array()) {
-            for (const auto& row : (*body)["raw_rows"]) {
-                if (row.is_object()) raw_out << row.dump() << '\n';
+            raw_out << raw_row.dump() << '\n';
+            const auto row = BuildStandardRow(raw_row, metadata);
+            if (row.has_value()) {
+                out << row->dump() << '\n';
+                ++accepted;
             }
         }
+        out.close();
         raw_out.close();
         TouchTask(job_id.value());
 
@@ -1645,6 +1840,7 @@ void WindPowerController::FinishJob(
         return;
     }
     TaskReleaseGuard finish_guard(job_id.value());
+    const auto calculation_started = std::chrono::steady_clock::now();
 
     const CalculationOptions options = ParseOptions(*body);
     if (body->contains("options") && (*body)["options"].is_object() &&
@@ -1668,6 +1864,7 @@ void WindPowerController::FinishJob(
     std::vector<ValidRow> parsed_rows;
     std::unordered_map<std::string, int> invalid_reasons;
     int raw_rows = 0;
+    const auto read_started = std::chrono::steady_clock::now();
 
     try {
         std::ifstream in(JobRowsPath(job_id.value()));
@@ -1691,6 +1888,7 @@ void WindPowerController::FinishJob(
             const auto wind_speed = GetDoubleField(row, "wind_speed");
             const auto active_power = GetDoubleField(row, "active_power");
             const auto generator_speed = GetDoubleField(row, "generator_speed");
+            const auto rotor_speed = GetDoubleField(row, "rotor_speed");
             const auto blade_pitch_1 = GetDoubleField(row, "blade_pitch_1");
             const auto blade_pitch_2 = GetDoubleField(row, "blade_pitch_2");
             const auto blade_pitch_3 = GetDoubleField(row, "blade_pitch_3");
@@ -1706,6 +1904,12 @@ void WindPowerController::FinishJob(
                 AddInvalid(invalid_reasons, "invalid_generator_speed");
                 continue;
             }
+            if (IsSchemeThree(options) &&
+                (!rotor_speed.has_value() || !std::isfinite(rotor_speed.value()) ||
+                 rotor_speed.value() <= 0.0)) {
+                AddInvalid(invalid_reasons, "invalid_rotor_speed");
+                continue;
+            }
             if (IsSchemeTwo(options) &&
                 (!blade_pitch_1.has_value() || !std::isfinite(blade_pitch_1.value()) ||
                  !blade_pitch_2.has_value() || !std::isfinite(blade_pitch_2.value()) ||
@@ -1740,6 +1944,9 @@ void WindPowerController::FinishJob(
             valid_row.wind_speed = wind_speed.value();
             valid_row.active_power = active_power.value();
             valid_row.generator_speed = generator_speed.value();
+            if (rotor_speed.has_value() && std::isfinite(rotor_speed.value())) {
+                valid_row.rotor_speed = rotor_speed.value();
+            }
             if (IsSchemeTwo(options)) {
                 valid_row.blade_pitch_1 = blade_pitch_1.value();
                 valid_row.blade_pitch_2 = blade_pitch_2.value();
@@ -1755,6 +1962,8 @@ void WindPowerController::FinishJob(
         SendError(callback, kErrorServer, "读取任务数据失败");
         return;
     }
+    const auto read_parse_ms = std::chrono::duration_cast<std::chrono::milliseconds>(
+        std::chrono::steady_clock::now() - read_started).count();
 
     std::sort(parsed_rows.begin(), parsed_rows.end(), [](const ValidRow& left, const ValidRow& right) {
         if (left.fan_id != right.fan_id) {
@@ -1787,8 +1996,7 @@ void WindPowerController::FinishJob(
     json fans = json::array();
     json curves = json::object();
     json bins = json::object();
-    json scatter_points = json::object();
-    json filtered_points = json::object();
+    json point_files = json::object();
     json estimated_params = json::object();
 
     std::vector<std::string> fan_ids;
@@ -1809,7 +2017,10 @@ void WindPowerController::FinishJob(
     int scheme_two_low_speed_pitch_count = 0;
     int scheme_two_low_power_pitch_count = 0;
     int cleaned_rows_count = 0;
-    for (const auto& fan_id : fan_ids) {
+    const auto cleaning_started = std::chrono::steady_clock::now();
+    fs::create_directories(JobPointsDir(job_id.value()));
+    for (size_t fan_index = 0; fan_index < fan_ids.size(); ++fan_index) {
+        const auto& fan_id = fan_ids[fan_index];
         fans.push_back(fan_id);
         auto fan_rows = rows_by_fan[fan_id];
         std::vector<RemovedPoint> fan_removed_points;
@@ -1836,9 +2047,11 @@ void WindPowerController::FinishJob(
         limit_power_count += removed;
 
         for (auto& row : fan_rows) {
-            row.tip_speed_ratio = row.generator_speed * 3.14 * options.gearbox_ratio *
-                options.rotor_radius * 30.0 /
-                                  row.wind_speed;
+            const double speed = IsSchemeThree(options)
+                ? row.rotor_speed
+                : row.generator_speed * options.gearbox_ratio;
+            row.tip_speed_ratio = speed * 3.14 * options.rotor_radius * 30.0 /
+                row.wind_speed;
         }
 
         fan_rows = FilterByWindBinIqr(
@@ -1913,11 +2126,10 @@ void WindPowerController::FinishJob(
             point["wind_speed"] = row.wind_speed;
             point["active_power"] = row.active_power;
             point["generator_speed"] = row.generator_speed;
+            point["rotor_speed"] = row.rotor_speed;
             point["pitch_angle_average"] = row.pitch_angle_average;
             fan_scatter.push_back(point);
         }
-        scatter_points[fan_id] = fan_scatter;
-
         json fan_filtered = json::array();
         for (const auto& removed_point : fan_removed_points) {
             json point;
@@ -1926,11 +2138,19 @@ void WindPowerController::FinishJob(
             point["wind_speed"] = removed_point.row.wind_speed;
             point["active_power"] = removed_point.row.active_power;
             point["generator_speed"] = removed_point.row.generator_speed;
+            point["rotor_speed"] = removed_point.row.rotor_speed;
             point["pitch_angle_average"] = removed_point.row.pitch_angle_average;
             point["reason"] = removed_point.reason;
             fan_filtered.push_back(point);
         }
-        filtered_points[fan_id] = fan_filtered;
+        json point_data;
+        point_data["fan_id"] = fan_id;
+        point_data["scatter_points"] = std::move(fan_scatter);
+        point_data["filtered_points"] = std::move(fan_filtered);
+        const auto point_path = JobFanPointsPath(job_id.value(), fan_index);
+        std::ofstream point_out(point_path, std::ios::trunc);
+        point_out << point_data.dump();
+        point_files[fan_id] = point_path.filename().string();
 
         json fan_curve = json::array();
         json fan_bins_json = json::array();
@@ -2008,9 +2228,14 @@ void WindPowerController::FinishJob(
     data["fans"] = fans;
     data["curves"] = curves;
     data["bins"] = bins;
-    data["scatter_points"] = scatter_points;
-    data["filtered_points"] = filtered_points;
+    data["point_files"] = point_files;
     data["estimated_params"] = estimated_params;
+    data["timings_ms"]["read_parse"] = read_parse_ms;
+    data["timings_ms"]["cleaning_and_points"] = std::chrono::duration_cast<std::chrono::milliseconds>(
+        std::chrono::steady_clock::now() - cleaning_started).count();
+    const auto calculation_ms = std::chrono::duration_cast<std::chrono::milliseconds>(
+        std::chrono::steady_clock::now() - calculation_started).count();
+    data["timings_ms"]["calculation"] = calculation_ms;
 
     try {
         std::ofstream result_file(JobResultPath(job_id.value()), std::ios::trunc);
@@ -2020,7 +2245,49 @@ void WindPowerController::FinishJob(
         return;
     }
 
-    SendSuccess(callback, data);
+    json response_data = data;
+    if (!fan_ids.empty()) {
+        std::ifstream point_input(JobFanPointsPath(job_id.value(), 0));
+        json initial_points;
+        point_input >> initial_points;
+        response_data["initial_fan_id"] = fan_ids.front();
+        response_data["scatter_points"] = json::object({{fan_ids.front(), initial_points["scatter_points"]}});
+        response_data["filtered_points"] = json::object({{fan_ids.front(), initial_points["filtered_points"]}});
+    }
+    LOG_INFO << "wind job " << job_id.value() << " completed in "
+             << calculation_ms << " ms";
+    SendSuccess(callback, response_data);
+}
+
+void WindPowerController::GetFanPoints(
+    const HttpRequestPtr&,
+    std::function<void(const HttpResponsePtr&)>&& callback,
+    const std::string& job_id,
+    const std::string& fan_id) {
+    if (!IsSafeJobId(job_id) || !fs::exists(JobResultPath(job_id))) {
+        SendError(callback, kErrorJobNotFound, "计算任务不存在或结果已过期");
+        return;
+    }
+    try {
+        json result;
+        std::ifstream result_input(JobResultPath(job_id));
+        result_input >> result;
+        const auto point_file = result.value("point_files", json::object()).value(fan_id, "");
+        if (point_file.empty() || point_file.find("..") != std::string::npos) {
+            SendError(callback, kErrorInvalidRequest, "风机不存在");
+            return;
+        }
+        std::ifstream point_input(JobPointsDir(job_id) / point_file);
+        if (!point_input.good()) {
+            SendError(callback, kErrorServer, "风机点数据不可用");
+            return;
+        }
+        json data;
+        point_input >> data;
+        SendSuccess(callback, data);
+    } catch (const std::exception&) {
+        SendError(callback, kErrorServer, "读取风机点数据失败");
+    }
 }
 
 void WindPowerController::ExportReport(
@@ -2038,8 +2305,7 @@ void WindPowerController::ExportReport(
         return;
     }
     const auto fan_id = GetStringField(*body, "fan_id");
-    if (!fan_id.has_value() || !body->contains("effective_rows") ||
-        !(*body)["effective_rows"].is_array() || !body->contains("report_rows") ||
+    if (!fan_id.has_value() || !body->contains("report_rows") ||
         !(*body)["report_rows"].is_array()) {
         SendError(callback, kErrorInvalidRequest, "报告参数不完整");
         return;
@@ -2049,6 +2315,22 @@ void WindPowerController::ExportReport(
         return;
     }
     TaskReleaseGuard report_guard(job_id);
+    const auto export_started = std::chrono::steady_clock::now();
+
+    const auto cache_key = std::to_string(std::hash<std::string>{}(body->dump()));
+    const auto report_path = JobDir(job_id) / (
+        "report_" + FileNameForFan(fan_id.value()) + "_" + cache_key + ".xlsx");
+    if (fs::exists(report_path)) {
+        const auto elapsed_ms = std::chrono::duration_cast<std::chrono::milliseconds>(
+            std::chrono::steady_clock::now() - export_started).count();
+        auto response = HttpResponse::newFileResponse(report_path.string(),
+            "完整功率曲线报告_" + FileNameForFan(fan_id.value()) + ".xlsx",
+            CT_CUSTOM,
+            "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+        response->addHeader("Server-Timing", "report-cache;dur=" + std::to_string(elapsed_ms));
+        callback(response);
+        return;
+    }
 
     try {
         json metadata;
@@ -2075,7 +2357,26 @@ void WindPowerController::ExportReport(
             return;
         }
 
-        const auto report_path = JobDir(job_id) / ("report_" + FileNameForFan(fan_id.value()) + ".xlsx");
+        const auto point_file = result.value("point_files", json::object()).value(fan_id.value(), "");
+        if (point_file.empty() || point_file.find("..") != std::string::npos) {
+            SendError(callback, kErrorJobNotFound, "风机点数据不存在或已过期");
+            return;
+        }
+        json point_data;
+        { std::ifstream input(JobPointsDir(job_id) / point_file); input >> point_data; }
+        const auto restored_ids = PointIdSet(*body, "restored_point_ids");
+        const auto erased_ids = PointIdSet(*body, "erased_point_ids");
+        json effective_rows = json::array();
+        for (const auto& point : point_data.value("scatter_points", json::array())) {
+            if (point.is_object() && erased_ids.count(PointIdFor(point, fan_id.value())) == 0) {
+                effective_rows.push_back(point);
+            }
+        }
+        for (const auto& point : point_data.value("filtered_points", json::array())) {
+            if (point.is_object() && restored_ids.count(PointIdFor(point, fan_id.value())) != 0) {
+                effective_rows.push_back(point);
+            }
+        }
         lxw_workbook_options options{};
         const auto temp_dir = JobDir(job_id).string();
         options.constant_memory = LXW_TRUE;
@@ -2092,23 +2393,41 @@ void WindPowerController::ExportReport(
 
         lxw_worksheet* detail = workbook_add_worksheet(workbook, "筛选后的数据");
         worksheet_freeze_panes(detail, 1, 0);
-        const bool include_pitch = result.value("scheme", json::object()).value("id", "") == kSchemeTwoId;
-        const std::vector<std::string> detail_headers = include_pitch
-            ? std::vector<std::string>{"风机编号", "采样时间", "平均功率", "平均转速", "平均风速", "3个叶片变桨角平均值"}
-            : std::vector<std::string>{"风机编号", "采样时间", "平均功率", "平均转速", "平均风速"};
+        const auto report_scheme_id =
+            result.value("scheme", json::object()).value("id", "");
+        const bool include_pitch = report_scheme_id == kSchemeTwoId;
+        const bool include_rotor_speed = report_scheme_id == kSchemeThreeId;
+        std::vector<std::string> detail_headers =
+            {"风机编号", "采样时间", "平均功率", "平均转速"};
+        if (include_rotor_speed) {
+            detail_headers.push_back("叶轮转速");
+        }
+        detail_headers.push_back("平均风速");
+        if (include_pitch) {
+            detail_headers.push_back("3个叶片变桨角平均值");
+        }
         for (size_t i = 0; i < detail_headers.size(); ++i) {
             worksheet_write_string(detail, 0, i, detail_headers[i].c_str(), header_format);
             worksheet_set_column(detail, i, i, i == 1 ? 22 : 16, nullptr);
         }
         lxw_row_t detail_row = 1;
-        for (const auto& point : (*body)["effective_rows"]) {
+        for (const auto& point : effective_rows) {
             if (!point.is_object()) continue;
             worksheet_write_string(detail, detail_row, 0, point.value("fan_id", fan_id.value()).c_str(), nullptr);
             worksheet_write_string(detail, detail_row, 1, point.value("time", "").c_str(), nullptr);
             worksheet_write_number(detail, detail_row, 2, point.value("active_power", 0.0), number_format);
             worksheet_write_number(detail, detail_row, 3, point.value("generator_speed", 0.0), number_format);
-            worksheet_write_number(detail, detail_row, 4, point.value("wind_speed", 0.0), number_format);
-            if (include_pitch) worksheet_write_number(detail, detail_row, 5, point.value("pitch_angle_average", 0.0), number_format);
+            lxw_col_t detail_column = 4;
+            if (include_rotor_speed) {
+                worksheet_write_number(detail, detail_row, detail_column++,
+                                       point.value("rotor_speed", 0.0), number_format);
+            }
+            worksheet_write_number(detail, detail_row, detail_column++,
+                                   point.value("wind_speed", 0.0), number_format);
+            if (include_pitch) {
+                worksheet_write_number(detail, detail_row, detail_column,
+                                       point.value("pitch_angle_average", 0.0), number_format);
+            }
             ++detail_row;
         }
         worksheet_autofilter(detail, 0, 0, std::max<lxw_row_t>(1, detail_row - 1), detail_headers.size() - 1);
@@ -2163,7 +2482,12 @@ void WindPowerController::ExportReport(
             worksheet_write_number(curve, curve_row, 1, point.value("wind_speed", 0.0), number_format);
             const auto frequency = "=(COUNTIFS('筛选前的数据'!" + raw_wind + ":" + raw_wind + ",\">=\"&B" + std::to_string(excel_row) + "-" + interval_text + ",'筛选前的数据'!" + raw_wind + ":" + raw_wind + ",\"<\"&B" + std::to_string(excel_row) + "+" + interval_text + ")/COUNT('筛选前的数据'!" + raw_wind + ":" + raw_wind + "))*8760";
             worksheet_write_formula(curve, curve_row, 2, frequency.c_str(), number_format);
-            const auto actual = "=IFERROR(AVERAGEIFS('筛选后的数据'!$C:$C,'筛选后的数据'!$E:$E,\">=\"&B" + std::to_string(excel_row) + "-" + interval_text + ",'筛选后的数据'!$E:$E,\"<\"&B" + std::to_string(excel_row) + "+" + interval_text + "),0)";
+            const auto detail_wind_column = include_rotor_speed ? "$F:$F" : "$E:$E";
+            const auto actual = std::string(
+                "=IFERROR(AVERAGEIFS('筛选后的数据'!$C:$C,'筛选后的数据'!") +
+                detail_wind_column + ",\">=\"&B" + std::to_string(excel_row) + "-" +
+                interval_text + ",'筛选后的数据'!" + detail_wind_column + ",\"<\"&B" +
+                std::to_string(excel_row) + "+" + interval_text + "),0)";
             worksheet_write_formula(curve, curve_row, 3, actual.c_str(), number_format);
             worksheet_write_number(curve, curve_row, 4, point.value("design_power", 0.0), number_format);
             const auto generated = "=IFERROR(ROUND(C" + std::to_string(excel_row) + "*D" + std::to_string(excel_row) + "/1000,4),0)";
@@ -2195,10 +2519,16 @@ void WindPowerController::ExportReport(
                                        &image_options);
         }
         if (workbook_close(workbook) != LXW_NO_ERROR) throw std::runtime_error("写入 Excel 文件失败");
-        callback(HttpResponse::newFileResponse(report_path.string(),
+        const auto elapsed_ms = std::chrono::duration_cast<std::chrono::milliseconds>(
+            std::chrono::steady_clock::now() - export_started).count();
+        LOG_INFO << "wind report " << job_id << "/" << fan_id.value()
+                 << " generated in " << elapsed_ms << " ms, rows=" << raw_row;
+        auto response = HttpResponse::newFileResponse(report_path.string(),
             "完整功率曲线报告_" + FileNameForFan(fan_id.value()) + ".xlsx",
             CT_CUSTOM,
-            "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"));
+            "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+        response->addHeader("Server-Timing", "report-generate;dur=" + std::to_string(elapsed_ms));
+        callback(response);
     } catch (const std::exception&) {
         SendError(callback, kErrorServer, "完整报告生成失败，请稍后重试");
     }
diff --git a/backend/src/controllers/WindPowerController.h b/backend/src/controllers/WindPowerController.h
index c11e51d..5d28925 100644
--- a/backend/src/controllers/WindPowerController.h
+++ b/backend/src/controllers/WindPowerController.h
@@ -14,6 +14,8 @@ public:
     ADD_METHOD_TO(WindPowerController::StartJob, "/api/wind/jobs/start", Post);
     ADD_METHOD_TO(WindPowerController::UploadChunk, "/api/wind/jobs/chunk", Post);
     ADD_METHOD_TO(WindPowerController::FinishJob, "/api/wind/jobs/finish", Post);
+    ADD_METHOD_TO(WindPowerController::GetFanPoints,
+                  "/api/wind/jobs/{1}/fans/{2}/points", Get);
     ADD_METHOD_TO(WindPowerController::ExportReport, "/api/wind/jobs/{1}/report", Post);
     ADD_METHOD_TO(WindPowerController::DeleteJob, "/api/wind/jobs/{1}", Delete);
     ADD_METHOD_TO(WindPowerController::GetSchemes, "/api/wind/schemes", Get);
@@ -39,6 +41,10 @@ public:
                      std::function<void(const HttpResponsePtr&)>&& callback);
     void FinishJob(const HttpRequestPtr& req,
                    std::function<void(const HttpResponsePtr&)>&& callback);
+    void GetFanPoints(const HttpRequestPtr& req,
+                      std::function<void(const HttpResponsePtr&)>&& callback,
+                      const std::string& job_id,
+                      const std::string& fan_id);
     void ExportReport(const HttpRequestPtr& req,
                       std::function<void(const HttpResponsePtr&)>&& callback,
                       const std::string& job_id);
diff --git a/backend/src/main.cpp b/backend/src/main.cpp
index d99dba4..6902e2f 100644
--- a/backend/src/main.cpp
+++ b/backend/src/main.cpp
@@ -2,19 +2,59 @@
 #include <trantor/utils/Logger.h>
 
 #include <memory>
+#include <string>
 
+#include "auth/AuthManager.h"
+#include "controllers/AuthController.h"
 #include "controllers/WindPowerController.h"
+#include "utils/ResponseUtil.h"
 
 using namespace drogon;
 
 int main() {
-    // 抑制 Drogon/trantor 内部日志噪声
-    trantor::Logger::setLogLevel(trantor::Logger::kFatal);
+    // 保留任务耗时日志，便于定位上传、清洗与回传瓶颈。
+    trantor::Logger::setLogLevel(trantor::Logger::kInfo);
 
     // 加载 Drogon 配置（监听端口 / CORS / 静态资源根目录）
     LOG_INFO << "Loading server configuration...";
     app().loadConfigFile("config/server_config.json");
+    if (!AuthManager::Instance().Initialize()) {
+        LOG_ERROR << "Failed to initialize account database";
+        return 1;
+    }
+    app().registerController(std::make_shared<AuthController>());
     app().registerController(std::make_shared<WindPowerController>());
+    app().registerPreRoutingAdvice(
+        [](const HttpRequestPtr& req,
+           AdviceCallback&& stop,
+           AdviceChainCallback&& next) {
+            const std::string path = req->path();
+            const bool public_api = path == "/api/auth/login" ||
+                path == "/api/auth/logout" || path == "/api/auth/me" ||
+                path == "/api/system/health" || path == "/api/system/version";
+            if (req->method() == Options || path.rfind("/api/", 0) != 0 || public_api) {
+                next();
+                return;
+            }
+            const auto auth = AuthManager::Instance().Authenticate(
+                req->getCookie(AuthManager::kSessionCookie));
+            if (auth.status == AuthStatus::kAuthenticated) {
+                next();
+                return;
+            }
+            const bool account_abnormal = auth.status == AuthStatus::kExpired ||
+                auth.status == AuthStatus::kDisabled;
+            const auto message = account_abnormal
+                ? "账号异常请联系管理员"
+                : "请先登录";
+            const auto code = account_abnormal ? 4 : 2;
+            auto response = HttpResponse::newHttpResponse();
+            response->setContentTypeCode(CT_APPLICATION_JSON);
+            response->setBody(
+                ResponseUtil::GenerateErrorResponse(code, message).dump());
+            response->setStatusCode(k401Unauthorized);
+            stop(response);
+        });
 
     // SPA 前端路由回退：未匹配路径统一返回 index.html，交由前端路由处理
     app().setCustom404Page(
diff --git a/deploy.sh b/deploy.sh
index 458c78a..a8312df 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -109,7 +109,7 @@ SERVICE_NAME="${SERVICE_NAME}"
 mkdir -p "$HOME/wind_power/logs"
 sudo cp "/tmp/${SERVICE_NAME}.service" "/etc/systemd/system/${SERVICE_NAME}.service"
 sudo apt-get update -qq 2>/dev/null || true
-sudo apt-get install -y -qq libjsoncpp25 libc-ares2 >/dev/null 2>&1 || true
+sudo apt-get install -y -qq libjsoncpp25 libc-ares2 libsqlite3-0 >/dev/null 2>&1 || true
 sudo systemctl daemon-reload
 sudo systemctl enable "${SERVICE_NAME}" >/dev/null 2>&1 || true
 sudo systemctl restart "${SERVICE_NAME}"
diff --git a/docs/1#原始数据_numeric.xlsx b/docs/1#原始数据_numeric.xlsx
new file mode 100644
index 0000000..bedb9cd
Binary files /dev/null and b/docs/1#原始数据_numeric.xlsx differ
diff --git a/frontend/web_app/public/logo-1.svg b/frontend/web_app/public/logo-1.svg
new file mode 100644
index 0000000..abf7b0f
--- /dev/null
+++ b/frontend/web_app/public/logo-1.svg
@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="none">
+  <!-- 六边形 + 内部连接节点：工业网络枢纽 -->
+  <path d="M16 2 L28 9 L28 23 L16 30 L4 23 L4 9 Z" stroke="#6366f1" stroke-width="2" fill="rgba(99,102,241,0.1)"/>
+  <circle cx="16" cy="10" r="2.5" fill="#6366f1"/>
+  <circle cx="10" cy="21" r="2.5" fill="#6366f1"/>
+  <circle cx="22" cy="21" r="2.5" fill="#6366f1"/>
+  <line x1="16" y1="10" x2="10" y2="21" stroke="#6366f1" stroke-width="1.5"/>
+  <line x1="16" y1="10" x2="22" y2="21" stroke="#6366f1" stroke-width="1.5"/>
+  <line x1="10" y1="21" x2="22" y2="21" stroke="#6366f1" stroke-width="1.5"/>
+</svg>
diff --git a/frontend/web_app/src/App.css b/frontend/web_app/src/App.css
index fc0f108..d30e98e 100644
--- a/frontend/web_app/src/App.css
+++ b/frontend/web_app/src/App.css
@@ -20,6 +20,45 @@
   gap: 10px;
 }
 
+.currentSchemeBanner {
+  display: flex;
+  align-items: center;
+  gap: 18px;
+  margin-bottom: 18px;
+  padding: 13px 16px;
+  border: 1px solid #c7d2fe;
+  border-radius: 10px;
+  background: #eef2ff;
+}
+
+.currentSchemeLabel {
+  display: inline-flex;
+  align-items: center;
+  flex: 0 0 auto;
+  gap: 10px;
+}
+
+.currentSchemeLabel span {
+  color: #64748b;
+  font-size: 13px;
+}
+
+.currentSchemeLabel strong {
+  padding: 4px 10px;
+  border-radius: 999px;
+  background: #4f46e5;
+  color: #ffffff;
+  font-size: 14px;
+  font-weight: 650;
+}
+
+.currentSchemeBanner p {
+  min-width: 0;
+  color: #475569;
+  font-size: 13px;
+  line-height: 1.5;
+}
+
 .homeHeader h1 {
   color: #fff;
   font-size: 28px;
@@ -475,6 +514,95 @@ select:focus {
   margin-top: 16px;
 }
 
+.calculationProgress {
+  margin-top: 16px;
+  padding: 14px;
+  border: 1px solid #c7d2fe;
+  border-radius: 8px;
+  background: #f5f7ff;
+}
+
+.calculationProgress.complete {
+  border-color: #a7f3d0;
+  background: #f0fdf4;
+}
+
+.calculationProgressHeader {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  color: #334155;
+  font-size: 13px;
+}
+
+.calculationProgressHeader span {
+  color: #4f46e5;
+  font-weight: 700;
+  font-variant-numeric: tabular-nums;
+}
+
+.calculationSteps {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 8px;
+  margin-top: 12px;
+}
+
+.calculationStep {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+  color: #94a3b8;
+  font-size: 12px;
+}
+
+.calculationStep i {
+  display: inline-flex;
+  flex: 0 0 auto;
+  align-items: center;
+  justify-content: center;
+  width: 20px;
+  height: 20px;
+  border-radius: 50%;
+  background: #e2e8f0;
+  color: #64748b;
+  font-style: normal;
+  font-weight: 700;
+}
+
+.calculationStep.active { color: #4338ca; font-weight: 600; }
+.calculationStep.active i { background: #6366f1; color: #ffffff; }
+.calculationStep.completed { color: #047857; }
+.calculationStep.completed i,
+.calculationProgress.complete .calculationStep i { background: #10b981; color: #ffffff; }
+
+.calculationProgressTrack {
+  height: 7px;
+  margin-top: 12px;
+  overflow: hidden;
+  border-radius: 999px;
+  background: #e2e8f0;
+}
+
+.calculationProgressTrack span {
+  display: block;
+  height: 100%;
+  border-radius: inherit;
+  background: linear-gradient(90deg, #6366f1, #8b5cf6);
+  transition: width 0.2s ease;
+}
+
+.calculationProgress.complete .calculationProgressTrack span { background: #10b981; }
+.calculationProgress p { margin: 9px 0 0; color: #475569; font-size: 13px; }
+
+.calculationTiming {
+  margin-top: 10px;
+  color: #64748b;
+  font-size: 12px;
+  line-height: 1.6;
+}
+
 .headerPreview {
   display: flex;
   flex-wrap: wrap;
@@ -770,6 +898,12 @@ td {
 }
 
 @media (max-width: 560px) {
+  .currentSchemeBanner {
+    align-items: flex-start;
+    flex-direction: column;
+    gap: 8px;
+  }
+
   .fieldControl {
     grid-template-columns: 1fr;
   }
@@ -782,6 +916,8 @@ td {
   .summaryGrid {
     grid-template-columns: 1fr;
   }
+
+  .calculationSteps { grid-template-columns: 1fr 1fr; }
 }
 
 /* ── 浅色主题覆盖 ── */
@@ -928,3 +1064,140 @@ td { color: #334155; border-bottom-color: #e6edf5; }
 @media (max-width: 560px) {
   .chartSettingsGrid { grid-template-columns: 1fr; }
 }
+
+.authLoading {
+  min-height: 100vh;
+  display: grid;
+  place-items: center;
+  padding: 24px;
+}
+
+.authLoading { color: #64748b; }
+
+.accountPage h1 { color: #172033; }
+.accountPageHeader p { margin-top: 6px; color: #64748b; }
+
+.accountForm label {
+  display: grid;
+  gap: 7px;
+  color: #334155;
+  font-size: 14px;
+  font-weight: 600;
+}
+
+.accountExpiryField {
+  display: grid;
+  gap: 7px;
+  color: #334155;
+  font-size: 14px;
+  font-weight: 600;
+}
+
+.accountExpiryInputs,
+.tableExpiryEditor {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.accountForm .accountPermanentToggle,
+.tableExpiryEditor .accountPermanentToggle {
+  display: inline-flex;
+  flex: 0 0 auto;
+  align-items: center;
+  gap: 5px;
+  color: #475569;
+  font-size: 13px;
+  font-weight: 500;
+  white-space: nowrap;
+  cursor: pointer;
+}
+
+.accountForm .accountPermanentToggle input,
+.tableExpiryEditor .accountPermanentToggle input {
+  width: 15px;
+  height: 15px;
+  padding: 0;
+  accent-color: #6366f1;
+}
+
+.accountExpiryInputs > input[type='date'] { min-width: 0; }
+.accountExpiryInputs > input[type='date']:disabled,
+.tableExpiryEditor .tableInput:disabled { background: #f1f5f9; color: #94a3b8; }
+.tableExpiryEditor .tableInput { min-width: 138px; }
+
+.accountActions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.accountEnableButton,
+.accountDisableButton {
+  min-height: 34px;
+  padding: 0 13px;
+  border-radius: 7px;
+  background: #ffffff;
+  font-size: 13px;
+  font-weight: 600;
+  cursor: pointer;
+}
+
+.accountEnableButton { border: 1px solid #86efac; color: #047857; }
+.accountEnableButton:hover { background: #ecfdf5; }
+.accountDisableButton { border: 1px solid #fecaca; color: #b91c1c; }
+.accountDisableButton:hover { background: #fef2f2; }
+.accountEnableButton:disabled,
+.accountDisableButton:disabled { cursor: not-allowed; opacity: 0.52; }
+
+.accountForm input {
+  width: 100%;
+  height: 40px;
+  padding: 0 11px;
+  border: 1px solid #cbd5e1;
+  border-radius: 7px;
+  background: #ffffff;
+  color: #1e293b;
+  font: inherit;
+}
+
+.accountForm input:focus {
+  outline: none;
+  border-color: #6366f1;
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
+}
+
+.accountPage {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 32px 24px 56px;
+}
+
+.accountPageHeader {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 18px;
+}
+
+.accountCreatePanel h2 {
+  margin-bottom: 16px;
+  color: #172033;
+  font-size: 17px;
+}
+
+.accountForm {
+  display: grid;
+  grid-template-columns: 1fr 1fr 1fr auto;
+  align-items: end;
+  gap: 14px;
+}
+
+@media (max-width: 820px) {
+  .accountForm { grid-template-columns: 1fr 1fr; }
+}
+
+@media (max-width: 560px) {
+  .accountForm { grid-template-columns: 1fr; }
+  .accountPageHeader { align-items: flex-start; flex-direction: column; }
+}
diff --git a/frontend/web_app/src/App.jsx b/frontend/web_app/src/App.jsx
index 6313329..f8f3fd0 100644
--- a/frontend/web_app/src/App.jsx
+++ b/frontend/web_app/src/App.jsx
@@ -1,15 +1,106 @@
-import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
+import { useCallback, useEffect, useState } from 'react';
+import { BrowserRouter, Navigate, Route, Routes, useLocation, useNavigate } from 'react-router-dom';
+import AppLayout from './components/AppLayout/AppLayout';
+import AdminAccountsPage from './pages/AdminAccountsPage';
 import HomePage from './pages/HomePage';
+import LoginPage from './pages/LoginPage';
+import { getCurrentUser, logout } from './utils/api';
 import './App.css';
 
+function AuthenticatedApp({ user, onLogout }) {
+  const location = useLocation();
+  const activeSection = location.pathname === '/settings'
+    ? 'settings'
+    : location.pathname === '/calculation'
+      ? 'calculation'
+      : null;
+
+  if (!activeSection && location.pathname !== '/admin/accounts') {
+    return <Navigate to="/settings" replace />;
+  }
+  if (location.pathname === '/admin/accounts' && !user.is_admin) {
+    return <Navigate to="/settings" replace />;
+  }
+
+  return (
+    <AppLayout user={user} onLogout={onLogout}>
+      {activeSection
+        ? <HomePage activeSection={activeSection} />
+        : <AdminAccountsPage />}
+    </AppLayout>
+  );
+}
+
+function AppContent() {
+  const navigate = useNavigate();
+  const [user, setUser] = useState(undefined);
+  const [authMessage, setAuthMessage] = useState('');
+
+  const loadCurrentUser = useCallback(async () => {
+    try {
+      setUser(await getCurrentUser());
+    } catch (error) {
+      setUser(null);
+      if (error.message === '账号异常请联系管理员') {
+        setAuthMessage(error.message);
+      }
+    }
+  }, []);
+
+  useEffect(() => {
+    loadCurrentUser();
+  }, [loadCurrentUser]);
+
+  useEffect(() => {
+    const handleAuthRequired = (event) => {
+      setUser(null);
+      setAuthMessage(event.detail?.message || '请先登录');
+      navigate('/login', { replace: true });
+    };
+    window.addEventListener('wind-auth-required', handleAuthRequired);
+    return () => window.removeEventListener('wind-auth-required', handleAuthRequired);
+  }, [navigate]);
+
+  async function handleLogout() {
+    try {
+      await logout();
+    } finally {
+      setUser(null);
+      setAuthMessage('');
+      navigate('/login', { replace: true });
+    }
+  }
+
+  if (user === undefined) {
+    return <div className="authLoading">正在检查登录状态…</div>;
+  }
+  if (!user) {
+    return (
+      <Routes>
+        <Route
+          path="/login"
+          element={(
+            <LoginPage
+              initialMessage={authMessage}
+              onLogin={(currentUser) => {
+                setUser(currentUser);
+                setAuthMessage('');
+                navigate('/settings', { replace: true });
+              }}
+            />
+          )}
+        />
+        <Route path="*" element={<Navigate to="/login" replace />} />
+      </Routes>
+    );
+  }
+  return <AuthenticatedApp user={user} onLogout={handleLogout} />;
+}
+
 function App() {
   return (
     <BrowserRouter>
-      <Routes>
-        <Route path="/" element={<HomePage />} />
-        {/* SPA 回退：未匹配路由统一回到首页 */}
-        <Route path="*" element={<Navigate to="/" replace />} />
-      </Routes>
+      <AppContent />
     </BrowserRouter>
   );
 }
diff --git a/frontend/web_app/src/components/AppLayout/AppLayout.jsx b/frontend/web_app/src/components/AppLayout/AppLayout.jsx
new file mode 100644
index 0000000..a1d12e3
--- /dev/null
+++ b/frontend/web_app/src/components/AppLayout/AppLayout.jsx
@@ -0,0 +1,76 @@
+import { NavLink } from 'react-router-dom';
+import styles from './AppLayout.module.css';
+
+const NAV_ITEMS = [
+  { to: '/settings', icon: '⚙', label: '参数设置' },
+  { to: '/calculation', icon: '📈', label: '风电功率计算' },
+];
+
+function UserIcon({ admin }) {
+  if (admin) {
+    return (
+      <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+        <path d="M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z" />
+        <path d="m9 12 2 2 4-4" />
+      </svg>
+    );
+  }
+  return (
+    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+      <path d="M19 21v-2a4 4 0 0 0-4-4H9a4 4 0 0 0-4 4v2" />
+      <circle cx="12" cy="7" r="4" />
+    </svg>
+  );
+}
+
+export default function AppLayout({ children, user, onLogout }) {
+  const navItems = user.is_admin
+    ? [...NAV_ITEMS, { to: '/admin/accounts', icon: '👤', label: '账号管理' }]
+    : NAV_ITEMS;
+
+  return (
+    <div className={styles.layout}>
+      <nav className={styles.sidebar} aria-label="主导航">
+        <div className={styles.brand}>
+          <img src="/logo-1.svg" alt="" className={styles.brandLogo} />
+          <span className={styles.brandText}>风电功率计算平台</span>
+        </div>
+        <div className={styles.nav}>
+          {navItems.map((item) => (
+            <NavLink
+              key={item.to}
+              to={item.to}
+              className={({ isActive }) => `${styles.navItem} ${isActive ? styles.navActive : ''}`}
+            >
+              <span className={styles.navIcon} aria-hidden="true">{item.icon}</span>
+              <span className={styles.navLabel}>{item.label}</span>
+            </NavLink>
+          ))}
+        </div>
+      </nav>
+
+      <div className={styles.mainContainer}>
+        <header className={styles.header}>
+          <div className={styles.headerSpacer} />
+          <div className={styles.userInfo}>
+            <div className={`${styles.roleIcon} ${user.is_admin ? styles.adminIcon : ''}`} title={user.is_admin ? '管理员' : '普通账号'}>
+              <UserIcon admin={user.is_admin} />
+            </div>
+            <span className={styles.userName}>{user.username}</span>
+            {user.is_admin && <span className={styles.roleLabel}>管理员</span>}
+            <div className={styles.divider} />
+            <button className={styles.logoutButton} type="button" onClick={onLogout}>
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+                <path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4" />
+                <polyline points="16 17 21 12 16 7" />
+                <line x1="21" y1="12" x2="9" y2="12" />
+              </svg>
+              退出
+            </button>
+          </div>
+        </header>
+        <main className={styles.content}>{children}</main>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/web_app/src/components/AppLayout/AppLayout.module.css b/frontend/web_app/src/components/AppLayout/AppLayout.module.css
new file mode 100644
index 0000000..ef35c96
--- /dev/null
+++ b/frontend/web_app/src/components/AppLayout/AppLayout.module.css
@@ -0,0 +1,96 @@
+.layout {
+  display: flex;
+  height: 100vh;
+  background: #f4f7fb;
+}
+
+.sidebar {
+  width: 200px;
+  flex-shrink: 0;
+  display: flex;
+  flex-direction: column;
+  background: #ffffff;
+  border-right: 1px solid #dbe3ed;
+}
+
+.brand {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 20px 16px 24px;
+}
+
+.brandLogo { width: 28px; height: 28px; object-fit: contain; }
+.brandText { color: #172033; font-size: 14px; font-weight: 700; letter-spacing: 0.2px; white-space: nowrap; }
+
+.nav {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding: 0 8px;
+  overflow-y: auto;
+}
+
+.navItem {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 12px;
+  border-radius: 6px;
+  color: #64748b;
+  text-decoration: none;
+  font-size: 15px;
+  transition: all 0.15s;
+}
+
+.navItem:hover { color: #334155; background: #f1f5f9; }
+.navActive, .navActive:hover { color: #4f46e5; background: #eef2ff; }
+.navIcon { width: 20px; color: inherit; font-size: 16px; text-align: center; }
+.navLabel { font-weight: 500; white-space: nowrap; }
+
+.mainContainer { flex: 1; display: flex; flex-direction: column; min-width: 0; }
+
+.header {
+  height: 56px;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0 20px;
+  background: #ffffff;
+  border-bottom: 1px solid #dbe3ed;
+  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
+}
+
+.headerSpacer { flex: 1; }
+.userInfo { display: flex; align-items: center; gap: 12px; }
+.roleIcon { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 4px; background: #f1f5f9; color: #64748b; }
+.adminIcon { color: #4f46e5; background: #eef2ff; }
+.userName { color: #1e293b; font-size: 14px; font-weight: 500; }
+.roleLabel { color: #4f46e5; font-size: 12px; }
+.divider { width: 1px; height: 16px; margin: 0 4px; background: #dbe3ed; }
+
+.logoutButton {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 10px;
+  border: 0;
+  border-radius: 6px;
+  background: transparent;
+  color: #64748b;
+  font-size: 14px;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.logoutButton:hover { color: #dc2626; background: #fef2f2; }
+.content { flex: 1; overflow: auto; min-width: 0; background: #f4f7fb; }
+
+@media (max-width: 720px) {
+  .sidebar { width: 64px; }
+  .brand { justify-content: center; padding-right: 8px; padding-left: 8px; }
+  .brandText, .navLabel { display: none; }
+  .navItem { justify-content: center; padding-right: 8px; padding-left: 8px; }
+}
diff --git a/frontend/web_app/src/pages/AdminAccountsPage.jsx b/frontend/web_app/src/pages/AdminAccountsPage.jsx
new file mode 100644
index 0000000..6853866
--- /dev/null
+++ b/frontend/web_app/src/pages/AdminAccountsPage.jsx
@@ -0,0 +1,249 @@
+import { useEffect, useState } from 'react';
+import { createAccount, getAccounts, updateAccount } from '../utils/api';
+
+function formatDateInput(date) {
+  const year = date.getFullYear();
+  const month = String(date.getMonth() + 1).padStart(2, '0');
+  const day = String(date.getDate()).padStart(2, '0');
+  return `${year}-${month}-${day}`;
+}
+
+function defaultExpiry() {
+  const date = new Date();
+  date.setDate(date.getDate() + 30);
+  return formatDateInput(date);
+}
+
+function defaultAccountForm() {
+  return { username: '', password: '', expires_on: defaultExpiry(), permanent: false };
+}
+
+export default function AdminAccountsPage() {
+  const [accounts, setAccounts] = useState([]);
+  const [form, setForm] = useState(defaultAccountForm);
+  const [drafts, setDrafts] = useState({});
+  const [message, setMessage] = useState('');
+  const [error, setError] = useState('');
+  const [submitting, setSubmitting] = useState(false);
+
+  async function loadAccounts() {
+    const data = await getAccounts();
+    setAccounts(data.accounts || []);
+    setDrafts(Object.fromEntries((data.accounts || []).map((account) => [account.username, {
+      expires_on: account.expires_on,
+      permanent: account.permanent ?? !account.expires_on,
+      password: '',
+    }])));
+  }
+
+  useEffect(() => {
+    loadAccounts().catch((requestError) => setError(requestError.message || '加载账号失败'));
+  }, []);
+
+  async function handleCreate(event) {
+    event.preventDefault();
+    setSubmitting(true);
+    setError('');
+    setMessage('');
+    try {
+      await createAccount({
+        username: form.username.trim(),
+        password: form.password,
+        expires_on: form.permanent ? '' : form.expires_on,
+      });
+      setMessage(`账号 ${form.username.trim()} 已创建`);
+      setForm(defaultAccountForm());
+      await loadAccounts();
+    } catch (requestError) {
+      setError(requestError.message || '创建账号失败');
+    } finally {
+      setSubmitting(false);
+    }
+  }
+
+  async function handleUpdate(username) {
+    const draft = drafts[username];
+    setSubmitting(true);
+    setError('');
+    setMessage('');
+    try {
+      await updateAccount(username, {
+        expires_on: draft.permanent ? '' : draft.expires_on,
+        ...(draft.password ? { password: draft.password } : {}),
+      });
+      setMessage(`账号 ${username} 已更新，原会话已失效`);
+      await loadAccounts();
+    } catch (requestError) {
+      setError(requestError.message || '更新账号失败');
+    } finally {
+      setSubmitting(false);
+    }
+  }
+
+  async function handleToggleEnabled(account) {
+    setSubmitting(true);
+    setError('');
+    setMessage('');
+    try {
+      await updateAccount(account.username, {
+        expires_on: account.expires_on,
+        enabled: !account.enabled,
+      });
+      setMessage(`账号 ${account.username} 已${account.enabled ? '停用' : '启用'}`);
+      await loadAccounts();
+    } catch (requestError) {
+      setError(requestError.message || '更新账号状态失败');
+    } finally {
+      setSubmitting(false);
+    }
+  }
+
+  function updateDraft(username, field, value) {
+    setDrafts((current) => ({
+      ...current,
+      [username]: { ...current[username], [field]: value },
+    }));
+  }
+
+  return (
+    <main className="accountPage">
+      <div className="accountPageHeader">
+        <div><h1>账号管理</h1><p>创建账号并设置登录密码和有效期</p></div>
+      </div>
+
+      {error && <div className="alert error">{error}</div>}
+      {message && <div className="alert info">{message}</div>}
+
+      <section className="panel accountCreatePanel">
+        <h2>新增账号</h2>
+        <form className="accountForm" onSubmit={handleCreate}>
+          <label>
+            <span>账号</span>
+            <input
+              value={form.username}
+              onChange={(event) => setForm({ ...form, username: event.target.value })}
+            />
+          </label>
+          <label>
+            <span>密码</span>
+            <input
+              type="password"
+              autoComplete="new-password"
+              value={form.password}
+              onChange={(event) => setForm({ ...form, password: event.target.value })}
+            />
+          </label>
+          <div className="accountExpiryField">
+            <span>有效期</span>
+            <div className="accountExpiryInputs">
+              <input
+                type="date"
+                value={form.expires_on}
+                disabled={form.permanent}
+                onChange={(event) => setForm({ ...form, expires_on: event.target.value })}
+              />
+              <label className="accountPermanentToggle">
+                <input
+                  type="checkbox"
+                  checked={form.permanent}
+                  onChange={(event) => setForm({ ...form, permanent: event.target.checked })}
+                />
+                永久
+              </label>
+            </div>
+          </div>
+          <button className="primaryButton" type="submit" disabled={submitting}>新增账号</button>
+        </form>
+      </section>
+
+      <section className="panel">
+        <div className="panelHeader"><h2>已有账号</h2><span>{accounts.length} 个账号</span></div>
+        <div className="tableWrap">
+          <table>
+            <thead><tr><th>账号</th><th>角色</th><th>状态</th><th>有效期</th><th>新密码</th><th>操作</th></tr></thead>
+            <tbody>
+              {accounts.map((account) => (
+                <tr key={account.username}>
+                  <td>{account.username}</td>
+                  <td>{account.is_admin ? '管理员' : '普通账号'}</td>
+                  <td>
+                    <span className={`confidence ${!account.enabled || account.expired ? 'low' : 'ok'}`}>
+                      {!account.enabled ? '已停用' : account.expired ? '已过期' : '正常'}
+                    </span>
+                  </td>
+                  <td>
+                    {account.is_admin ? '永久' : (
+                      <div className="tableExpiryEditor">
+                        <input
+                          className="tableInput"
+                          type="date"
+                          disabled={drafts[account.username]?.permanent}
+                          value={drafts[account.username]?.expires_on || ''}
+                          onChange={(event) => updateDraft(
+                            account.username,
+                            'expires_on',
+                            event.target.value,
+                          )}
+                        />
+                        <label className="accountPermanentToggle">
+                          <input
+                            type="checkbox"
+                            checked={drafts[account.username]?.permanent || false}
+                            onChange={(event) => updateDraft(
+                              account.username,
+                              'permanent',
+                              event.target.checked,
+                            )}
+                          />
+                          永久
+                        </label>
+                      </div>
+                    )}
+                  </td>
+                  <td>
+                    {account.is_admin ? '—' : (
+                      <input
+                        className="tableInput"
+                        type="password"
+                        autoComplete="new-password"
+                        placeholder="留空则不修改"
+                        value={drafts[account.username]?.password || ''}
+                        onChange={(event) => updateDraft(
+                          account.username,
+                          'password',
+                          event.target.value,
+                        )}
+                      />
+                    )}
+                  </td>
+                  <td>
+                    {!account.is_admin && (
+                      <div className="accountActions">
+                        <button
+                          className="secondaryButton"
+                          type="button"
+                          disabled={submitting}
+                          onClick={() => handleUpdate(account.username)}
+                        >
+                          保存
+                        </button>
+                        <button
+                          className={account.enabled ? 'accountDisableButton' : 'accountEnableButton'}
+                          type="button"
+                          disabled={submitting}
+                          onClick={() => handleToggleEnabled(account)}
+                        >
+                          {account.enabled ? '停用' : '启用'}
+                        </button>
+                      </div>
+                    )}
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      </section>
+    </main>
+  );
+}
diff --git a/frontend/web_app/src/pages/HomePage.jsx b/frontend/web_app/src/pages/HomePage.jsx
index aff0810..bfa2a0a 100644
--- a/frontend/web_app/src/pages/HomePage.jsx
+++ b/frontend/web_app/src/pages/HomePage.jsx
@@ -6,6 +6,7 @@ import {
   deleteWindJob,
   downloadWindReport,
   finishWindJob,
+  getWindFanPoints,
   getWindChartOptions,
   getWindSchemes,
   saveWindChartOptions,
@@ -17,33 +18,18 @@ import {
   alignDesignCurveToActualCurve,
   buildPowerCurveModel,
   getDrawableActualCurve,
+  hasDrawablePowerCurveData,
 } from '../utils/powerCurveModel';
+import { resolvePowerCurveLegendLayout } from '../utils/powerCurveLegendLayout';
+import {
+  BASE_REQUIRED_FIELDS,
+  inferWindMapping,
+  normalizeHeader,
+  PITCH_REQUIRED_FIELDS,
+  ROTOR_SPEED_FIELD,
+} from '../utils/windFieldMapping';
 
-const REQUIRED_FIELDS = [
-  { key: 'time', label: '时间' },
-  { key: 'fan_id', label: '风机编号' },
-  { key: 'wind_speed', label: '风速' },
-  { key: 'active_power', label: '有功功率' },
-  { key: 'generator_speed', label: '发电机转速' },
-  { key: 'blade_pitch_1', label: '1#叶片角度' },
-  { key: 'blade_pitch_2', label: '2#叶片角度' },
-  { key: 'blade_pitch_3', label: '3#叶片角度' },
-];
-
-const FIELD_HINTS = {
-  time: ['时间', 'time', 'timestamp', '日期'],
-  fan_id: ['风机编号', '风机', '机组编号', 'fan', 'turbine'],
-  wind_speed: ['风速', '平均风速', 'wind speed', 'windspeed'],
-  active_power: ['平均有功功率', '有功功率', 'active power', 'power'],
-  generator_speed: ['发电机转速', '平均发电机转速', 'generator speed', 'rpm'],
-  blade_pitch_1: ['1#叶片变桨角度', '1#叶片角度', '1叶片变桨角度', '1叶片角度', '1号叶片角度', '叶片1角度', '桨角1', '变桨角1', 'pitch 1', 'pitch angle 1', 'blade pitch 1'],
-  blade_pitch_2: ['2#叶片变桨角度', '2#叶片角度', '2叶片变桨角度', '2叶片角度', '2号叶片角度', '叶片2角度', '桨角2', '变桨角2', 'pitch 2', 'pitch angle 2', 'blade pitch 2'],
-  blade_pitch_3: ['3#叶片变桨角度', '3#叶片角度', '3叶片变桨角度', '3叶片角度', '3号叶片角度', '叶片3角度', '桨角3', '变桨角3', 'pitch 3', 'pitch angle 3', 'blade pitch 3'],
-};
-
-const FIELD_EXCLUDES = {
-  active_power: ['限功率', '限电', '时间', '累计'],
-};
+const CALCULATION_STEPS = ['准备数据', '上传数据', '清洗计算', '计算完成'];
 
 const DESIGN_FIELDS = [
   { key: 'wind_speed', label: '风速' },
@@ -55,13 +41,14 @@ const DESIGN_FIELD_HINTS = {
   design_power: ['设计功率', '理论功率', '标准功率', '功率', 'power', 'kw'],
 };
 
-const CHUNK_SIZE = 4000;
+const MAX_UPLOAD_CHUNK_BYTES = 6 * 1024 * 1024;
 const CHART_HEIGHT = 580;
 const BRUSH_RADIUS = 10;
 const EDIT_TOOL_RESTORE = 'restore';
 const EDIT_TOOL_ERASE = 'erase';
 const DEFAULT_SCHEME_ID = 'scheme_one';
 const SCHEME_TWO_ID = 'scheme_two';
+const SCHEME_THREE_ID = 'scheme_three';
 const DEFAULT_SCHEMES = [
   {
     id: 'scheme_one',
@@ -93,6 +80,24 @@ const DEFAULT_SCHEMES = [
       report_wind_speed_interval: 0.25,
     },
   },
+  {
+    id: SCHEME_THREE_ID,
+    name: '方案三',
+    description: '叶轮转速方案，叶尖速比直接使用叶轮转速计算，不使用齿轮箱传动比',
+    parameters: {
+      rated_power: 4800,
+      rated_wind_speed: 14,
+      power_step: 5,
+      cleaning_wind_speed_step: 0.25,
+      wind_speed_change_threshold: 1,
+      iqr_lower_multiplier: 1.2,
+      iqr_upper_multiplier: 2,
+      minimum_generator_speed: 1,
+      generator_speed_k: 0.9,
+      rotor_radius: 78,
+      report_wind_speed_interval: 0.25,
+    },
+  },
 ];
 
 const DEFAULT_SCHEME_TWO_PARAMS = {
@@ -115,6 +120,19 @@ const DEFAULT_SCHEME_ONE_PARAMS = {
   gearbox_ratio: '162',
   report_wind_speed_interval: '0.25',
 };
+const DEFAULT_SCHEME_THREE_PARAMS = {
+  rated_power: '4800',
+  rated_wind_speed: '14',
+  power_step: '5',
+  cleaning_wind_speed_step: '0.25',
+  wind_speed_change_threshold: '1',
+  iqr_lower_multiplier: '1.2',
+  iqr_upper_multiplier: '2',
+  minimum_generator_speed: '1',
+  generator_speed_k: '0.9',
+  rotor_radius: '78',
+  report_wind_speed_interval: '0.25',
+};
 const SCHEME_ONE_PARAM_FIELDS = [
   { key: 'rated_power', label: '额定功率', unit: 'kW', min: '0', step: '0.1' },
   { key: 'rated_wind_speed', label: '额定风速', unit: 'm/s', min: '0', step: '0.01' },
@@ -129,6 +147,9 @@ const SCHEME_ONE_PARAM_FIELDS = [
   { key: 'gearbox_ratio', label: '齿轮箱传动比', unit: '', min: '0', step: '0.01' },
   { key: 'report_wind_speed_interval', label: '报告公式风速区间半宽', unit: 'm/s', min: '0', step: '0.01' },
 ];
+const SCHEME_THREE_PARAM_FIELDS = SCHEME_ONE_PARAM_FIELDS.filter(
+  (field) => field.key !== 'gearbox_ratio',
+);
 const CHART_STATE_KEY = 'wind_power_chart_state_v1';
 const DEFAULT_CHART_OPTIONS = {
   title: '#机组功率曲线',
@@ -206,50 +227,6 @@ function createDesignRows(points) {
   }));
 }
 
-function normalizeHeader(value) {
-  return String(value ?? '')
-    .trim()
-    .toLowerCase()
-    .replace(/\s+/g, '')
-    .replace(/[()（）_\-./]/g, '');
-}
-
-function inferMapping(headers) {
-  const normalized = headers.map((header) => ({
-    header,
-    normalized: normalizeHeader(header),
-  }));
-  const mapping = {};
-
-  for (const field of REQUIRED_FIELDS) {
-    const hints = FIELD_HINTS[field.key].map(normalizeHeader);
-    const excludes = (FIELD_EXCLUDES[field.key] || []).map(normalizeHeader);
-    let best = null;
-    for (const item of normalized) {
-      if (!item.normalized || excludes.some((exclude) => item.normalized.includes(exclude))) {
-        continue;
-      }
-      let score = 0;
-      hints.forEach((hint, index) => {
-        const weight = hints.length - index;
-        if (item.normalized === hint) {
-          score = Math.max(score, 100 + weight);
-        } else if (item.normalized.includes(hint)) {
-          score = Math.max(score, 60 + weight);
-        } else if (hint.includes(item.normalized)) {
-          score = Math.max(score, 20 + weight);
-        }
-      });
-      if (!best || score > best.score) {
-        best = { ...item, score };
-      }
-    }
-    mapping[field.key] = best && best.score > 0 ? best.header : '';
-  }
-
-  return mapping;
-}
-
 function inferDesignMapping(headers) {
   const normalized = headers.map((header) => ({
     header,
@@ -285,57 +262,10 @@ function inferDesignMapping(headers) {
   return mapping;
 }
 
-function excelSerialToDate(value) {
-  const days = Number(value);
-  if (!Number.isFinite(days) || days <= 0) {
-    return null;
-  }
-  const utcDays = Math.floor(days - 25569);
-  const utcValue = utcDays * 86400;
-  const dateInfo = new Date(utcValue * 1000);
-  const fractionalDay = days - Math.floor(days) + 0.0000001;
-  const totalSeconds = Math.floor(86400 * fractionalDay);
-  dateInfo.setSeconds(totalSeconds);
-  return dateInfo;
-}
-
 function pad(value) {
   return String(value).padStart(2, '0');
 }
 
-function formatDate(date) {
-  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} `
-    + `${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
-}
-
-function normalizeTime(value) {
-  if (value instanceof Date && !Number.isNaN(value.getTime())) {
-    return formatDate(value);
-  }
-  if (typeof value === 'number') {
-    const date = excelSerialToDate(value);
-    return date ? formatDate(date) : '';
-  }
-
-  const text = String(value ?? '').trim();
-  if (!text) return '';
-
-  const isoMatch = text.match(/^(\d{4})[-/](\d{1,2})[-/](\d{1,2})[ T](\d{1,2}):(\d{1,2})(?::(\d{1,2}))?/);
-  if (isoMatch) {
-    const [, year, month, day, hour, minute, second = '0'] = isoMatch;
-    return `${year}-${pad(month)}-${pad(day)} ${pad(hour)}:${pad(minute)}:${pad(second)}`;
-  }
-
-  const slashMatch = text.match(/^(\d{1,2})\/(\d{1,2})\/(\d{2,4})\s+(\d{1,2}):(\d{1,2})(?::(\d{1,2}))?/);
-  if (slashMatch) {
-    const [, month, day, rawYear, hour, minute, second = '0'] = slashMatch;
-    const year = rawYear.length === 2 ? `20${rawYear}` : rawYear;
-    return `${year}-${pad(month)}-${pad(day)} ${pad(hour)}:${pad(minute)}:${pad(second)}`;
-  }
-
-  return text;
-}
-
 function normalizeNumber(value) {
   if (typeof value === 'number') {
     return Number.isFinite(value) ? value : null;
@@ -439,38 +369,35 @@ function getCell(row, headerIndex) {
   return row[headerIndex];
 }
 
-function buildStandardRows(files, mapping) {
-  const firstHeaders = files[0]?.headers || [];
-  const indexes = Object.fromEntries(
-    REQUIRED_FIELDS.map((field) => [field.key, firstHeaders.indexOf(mapping[field.key])]),
-  );
-
-  const rows = [];
+function buildRawRows(files) {
   const rawRows = [];
   for (const file of files) {
-    const localIndexes = Object.fromEntries(
-      REQUIRED_FIELDS.map((field) => [field.key, file.headers.indexOf(mapping[field.key])]),
-    );
     for (let rowIndex = 0; rowIndex < file.rows.length; rowIndex += 1) {
-      const row = file.rows[rowIndex];
-      rows.push({
-        time: normalizeTime(getCell(row, localIndexes.time)),
-        fan_id: String(getCell(row, localIndexes.fan_id) ?? '').trim(),
-        wind_speed: normalizeNumber(getCell(row, localIndexes.wind_speed)),
-        active_power: normalizeNumber(getCell(row, localIndexes.active_power)),
-        generator_speed: normalizeNumber(getCell(row, localIndexes.generator_speed)),
-        blade_pitch_1: normalizeNumber(getCell(row, localIndexes.blade_pitch_1)),
-        blade_pitch_2: normalizeNumber(getCell(row, localIndexes.blade_pitch_2)),
-        blade_pitch_3: normalizeNumber(getCell(row, localIndexes.blade_pitch_3)),
-      });
       rawRows.push({
         file_name: file.file_name,
-        values: [...(file.raw_rows?.[rowIndex] || row)],
+        values: [...(file.raw_rows?.[rowIndex] || file.rows[rowIndex])],
       });
     }
   }
+  return rawRows;
+}
 
-  return { rows, rawRows, indexes };
+function splitRawRowsIntoChunks(rawRows) {
+  const chunks = [];
+  let chunk = [];
+  let size = 0;
+  for (const row of rawRows) {
+    const rowSize = JSON.stringify(row).length;
+    if (chunk.length && size + rowSize > MAX_UPLOAD_CHUNK_BYTES) {
+      chunks.push(chunk);
+      chunk = [];
+      size = 0;
+    }
+    chunk.push(row);
+    size += rowSize;
+  }
+  if (chunk.length) chunks.push(chunk);
+  return chunks;
 }
 
 function hasMatchingHeaderSequence(files) {
@@ -491,12 +418,13 @@ function sanitizeFileName(value) {
   return String(value || '未选择风机').replace(/[\\/:*?"<>|]/g, '_');
 }
 
-function exportValidRowsToExcel(fanId, rows) {
+function exportValidRowsToExcel(fanId, rows, includeRotorSpeed = false) {
   const exportRows = (rows || []).map((row) => ({
     风机编号: row.fan_id || fanId || '',
     采样时间: row.time || '',
     平均功率: row.active_power ?? '',
     平均转速: row.generator_speed ?? '',
+    ...(includeRotorSpeed ? { 叶轮转速: row.rotor_speed ?? '' } : {}),
     平均风速: row.wind_speed ?? '',
     '3个叶片变桨角平均值': row.pitch_angle_average ?? '',
   }));
@@ -603,6 +531,10 @@ function schemeParamsToState(parameters) {
       parameters?.rated_generator_speed ?? DEFAULT_SCHEME_TWO_PARAMS.rated_generator_speed,
     ),
     rated_power: String(parameters?.rated_power ?? DEFAULT_SCHEME_TWO_PARAMS.rated_power),
+    report_wind_speed_interval: String(
+      parameters?.report_wind_speed_interval
+        ?? DEFAULT_SCHEME_TWO_PARAMS.report_wind_speed_interval,
+    ),
   };
 }
 
@@ -613,6 +545,37 @@ function schemeOneParamsToState(parameters) {
   ]));
 }
 
+function schemeThreeParamsToState(parameters) {
+  return Object.fromEntries(Object.entries(DEFAULT_SCHEME_THREE_PARAMS).map(([field, fallback]) => [
+    field,
+    String(parameters?.[field] ?? fallback),
+  ]));
+}
+
+function normalizeParams(params) {
+  return Object.fromEntries(Object.entries(params).map(([field, value]) => [
+    field,
+    normalizeNumber(value),
+  ]));
+}
+
+function areBaseSchemeParamsInvalid(values, requireGearboxRatio) {
+  return !Number.isFinite(values.rated_power) || values.rated_power <= 0 ||
+    !Number.isFinite(values.rated_wind_speed) || values.rated_wind_speed <= 0 ||
+    !Number.isFinite(values.power_step) || values.power_step <= 0 ||
+    !Number.isFinite(values.cleaning_wind_speed_step) ||
+      values.cleaning_wind_speed_step <= 0 ||
+    !Number.isFinite(values.rotor_radius) || values.rotor_radius <= 0 ||
+    (requireGearboxRatio &&
+      (!Number.isFinite(values.gearbox_ratio) || values.gearbox_ratio <= 0)) ||
+    !Number.isFinite(values.report_wind_speed_interval) ||
+      values.report_wind_speed_interval <= 0 || values.report_wind_speed_interval > 2 ||
+    ['wind_speed_change_threshold', 'iqr_lower_multiplier', 'iqr_upper_multiplier',
+      'minimum_generator_speed', 'generator_speed_k'].some((field) => (
+      !Number.isFinite(values[field]) || values[field] < 0
+    ));
+}
+
 function SummaryCards({ summary }) {
   if (!summary) return null;
   const cards = [
@@ -930,28 +893,44 @@ function renderPowerCurvePng({ actualCurve, designCurve, scatterPoints, filtered
     ];
     context.textAlign = 'left';
     context.font = `${typography.legend}px "Segoe UI", sans-serif`;
-    const legendLeft = padding.left + 22;
-    const legendTop = padding.top + Math.max(30, typography.legend + 10);
-    const legendLineHeight = Math.max(34, typography.legend + 12);
+    const legendLayout = resolvePowerCurveLegendLayout({
+      plotLeft: padding.left,
+      plotTop: padding.top,
+      plotWidth,
+      plotHeight,
+      fontSize: typography.legend,
+      entries,
+      textWidths: entries.map(([label]) => context.measureText(label).width),
+    });
+    context.save();
+    context.beginPath();
+    context.rect(padding.left, padding.top, plotWidth, plotHeight);
+    context.clip();
     entries.forEach(([label, type], index) => {
-      const top = legendTop + index * legendLineHeight;
+      const top = legendLayout.top + index * legendLayout.lineHeight;
+      const markerY = top + legendLayout.textHeight / 2;
+      const textBaseline = top + typography.legend;
       const isScatter = type === 'scatter';
       const style = type === 'actual' ? actualStyle : type === 'design' ? designStyle : null;
       if (isScatter) {
-        drawMarker(context, legendLeft + 10, top, 'circle', 4, hexToRgba(options.scatter_color, options.scatter_opacity));
+        drawMarker(context, legendLayout.left + legendLayout.markerWidth / 2, markerY, 'circle', 4, hexToRgba(options.scatter_color, options.scatter_opacity));
       } else if (style) {
         context.save();
         context.strokeStyle = style.color;
         context.lineWidth = 3;
         context.setLineDash(getLineDash(style.lineStyle));
-        context.beginPath(); context.moveTo(legendLeft, top); context.lineTo(legendLeft + 20, top); context.stroke();
+        context.beginPath();
+        context.moveTo(legendLayout.left, markerY);
+        context.lineTo(legendLayout.left + legendLayout.markerWidth, markerY);
+        context.stroke();
         context.restore();
       } else {
-        drawMarker(context, legendLeft + 10, top, 'circle', 4, type);
+        drawMarker(context, legendLayout.left + legendLayout.markerWidth / 2, markerY, 'circle', 4, type);
       }
       context.fillStyle = textColor;
-      context.fillText(label, legendLeft + 30, top + 7);
+      context.fillText(label, legendLayout.left + legendLayout.labelOffset, textBaseline);
     });
+    context.restore();
   }
   return canvas.toDataURL('image/png');
 }
@@ -1288,7 +1267,14 @@ function PowerCurveChart({
   chartExportRef.current = async () => exportPowerCurvePng(await chartSnapshotRef.current());
 
   useEffect(() => {
-    if (!chartRef.current || (!visibleActualCurve.length && !visibleDesignCurve.length)) return undefined;
+    const hasDrawableData = hasDrawablePowerCurveData({
+      actualCurve: visibleActualCurve,
+      designCurve: visibleDesignCurve,
+      scatterPoints: validScatter,
+      filteredPoints: validFiltered,
+      showFiltered,
+    });
+    if (!chartRef.current || !hasDrawableData) return undefined;
 
     const transientErasedPointIds = new Set();
     let redrawFrameId = 0;
@@ -1628,7 +1614,13 @@ function PowerCurveChart({
     }
   }, [editMode]);
 
-  if (!actualCurve.length && !validDesign.length) {
+  if (!hasDrawablePowerCurveData({
+    actualCurve,
+    designCurve: validDesign,
+    scatterPoints: validScatter,
+    filteredPoints: validFiltered,
+    showFiltered,
+  })) {
     return <div className="emptyChart">暂无可绘制的曲线数据</div>;
   }
 
@@ -1673,13 +1665,17 @@ function PowerCurveChart({
   );
 }
 
-export default function HomePage() {
+export default function HomePage({ activeSection = 'settings' }) {
   const savedSessionState = useMemo(() => loadChartState(), []);
   const [files, setFiles] = useState([]);
   const [mapping, setMapping] = useState({});
   const [reading, setReading] = useState(false);
   const [submitting, setSubmitting] = useState(false);
   const [progress, setProgress] = useState('');
+  const [progressPercent, setProgressPercent] = useState(0);
+  const [progressStage, setProgressStage] = useState(-1);
+  const [performanceTimings, setPerformanceTimings] = useState(null);
+  const [loadingFanPoints, setLoadingFanPoints] = useState(false);
   const [error, setError] = useState('');
   const [result, setResult] = useState(() => savedSessionState.result || null);
   const [selectedFan, setSelectedFan] = useState(() => savedSessionState.selected_fan || '');
@@ -1724,11 +1720,15 @@ export default function HomePage() {
   const [schemeMessage, setSchemeMessage] = useState('');
   const [schemeOneParams, setSchemeOneParams] = useState(DEFAULT_SCHEME_ONE_PARAMS);
   const [schemeTwoParams, setSchemeTwoParams] = useState(DEFAULT_SCHEME_TWO_PARAMS);
+  const [schemeThreeParams, setSchemeThreeParams] = useState(DEFAULT_SCHEME_THREE_PARAMS);
 
   const headers = files[0]?.headers || [];
   const selectedScheme = schemes.find((scheme) => scheme.id === selectedSchemeId) || schemes[0];
   const isSchemeTwo = selectedSchemeId === SCHEME_TWO_ID;
-  const mappingFields = isSchemeTwo ? REQUIRED_FIELDS : REQUIRED_FIELDS.slice(0, 5);
+  const isSchemeThree = selectedSchemeId === SCHEME_THREE_ID;
+  const mappingFields = isSchemeTwo
+    ? [...BASE_REQUIRED_FIELDS, ...PITCH_REQUIRED_FIELDS]
+    : (isSchemeThree ? [...BASE_REQUIRED_FIELDS, ROTOR_SPEED_FIELD] : BASE_REQUIRED_FIELDS);
   const missingFields = mappingFields.filter((field) => !mapping[field.key]);
   const selectedPoints = selectedFan && result?.curves ? result.curves[selectedFan] || [] : [];
   const selectedBins = selectedFan && result?.bins ? result.bins[selectedFan] || [] : [];
@@ -1797,6 +1797,28 @@ export default function HomePage() {
     ? result.estimated_params[selectedFan]
     : null;
 
+  useEffect(() => {
+    if (!result?.job_id || !selectedFan || result?.scatter_points?.[selectedFan]) return;
+    let cancelled = false;
+    setLoadingFanPoints(true);
+    getWindFanPoints(result.job_id, selectedFan)
+      .then((points) => {
+        if (cancelled) return;
+        setResult((current) => ({
+          ...current,
+          scatter_points: { ...(current.scatter_points || {}), [selectedFan]: points.scatter_points || [] },
+          filtered_points: { ...(current.filtered_points || {}), [selectedFan]: points.filtered_points || [] },
+        }));
+      })
+      .catch((err) => {
+        if (!cancelled) setError(err.message || '加载风机点数据失败');
+      })
+      .finally(() => {
+        if (!cancelled) setLoadingFanPoints(false);
+      });
+    return () => { cancelled = true; };
+  }, [result?.job_id, result?.scatter_points, selectedFan]);
+
   useEffect(() => {
     try {
       sessionStorage.setItem(CHART_STATE_KEY, JSON.stringify({
@@ -2030,7 +2052,7 @@ export default function HomePage() {
       return;
     }
     setExportingReport(true);
-    setReportExportProgress('正在服务器生成完整报告');
+    setReportExportProgress('正在生成报告图表');
     setError('');
     try {
       const chartRenderSnapshot = await chartSnapshotRef.current?.(false);
@@ -2038,13 +2060,19 @@ export default function HomePage() {
         throw new Error('图表尚未完成绘制，请稍后重试');
       }
       const chartImageData = renderPowerCurvePng(chartRenderSnapshot);
-      const blob = await downloadWindReport(result.job_id, {
+      setReportExportProgress('正在上传图表和编辑结果');
+      const report = await downloadWindReport(result.job_id, {
         fan_id: selectedFan,
-        effective_rows: effectiveScatter,
         report_rows: reportCurveRows,
+        restored_point_ids: restoredPointIds[selectedFan] || [],
+        erased_point_ids: erasedPointIds[selectedFan] || [],
         chart_image: chartImageData || '',
       });
-      downloadReportBlob(blob, selectedFan);
+      setReportExportProgress('正在下载完整报告');
+      downloadReportBlob(report.blob, selectedFan);
+      if (report.serverTiming) {
+        setReportExportNotice(`报告已生成（${report.serverTiming}）`);
+      }
       setExportingReport(false);
       setReportExportProgress('');
     } catch (err) {
@@ -2056,12 +2084,13 @@ export default function HomePage() {
     }
   }, [
     canExportFullReport,
-    effectiveScatter,
     exportingReport,
     reportExportDisabledReason,
     reportCurveRows,
     selectedFan,
     result?.job_id,
+    restoredPointIds,
+    erasedPointIds,
   ]);
 
   const handleCancelReportExport = useCallback(() => {
@@ -2090,6 +2119,8 @@ export default function HomePage() {
         setSchemeOneParams(schemeOneParamsToState(schemeOne?.parameters));
         const schemeTwo = loadedSchemes.find((scheme) => scheme.id === SCHEME_TWO_ID);
         setSchemeTwoParams(schemeParamsToState(schemeTwo?.parameters));
+        const schemeThree = loadedSchemes.find((scheme) => scheme.id === SCHEME_THREE_ID);
+        setSchemeThreeParams(schemeThreeParamsToState(schemeThree?.parameters));
       } catch (err) {
         if (!canceled) {
           setSchemeMessage(err.message || '读取方案配置失败，已使用默认方案');
@@ -2111,6 +2142,8 @@ export default function HomePage() {
       setSchemeOneParams(schemeOneParamsToState(nextScheme?.parameters));
     } else if (value === SCHEME_TWO_ID) {
       setSchemeTwoParams(schemeParamsToState(nextScheme?.parameters));
+    } else if (value === SCHEME_THREE_ID) {
+      setSchemeThreeParams(schemeThreeParamsToState(nextScheme?.parameters));
     }
     setSchemeMessage('');
   }
@@ -2129,6 +2162,13 @@ export default function HomePage() {
     }));
   }
 
+  function handleSchemeThreeParamChange(field, value) {
+    setSchemeThreeParams((prev) => ({
+      ...prev,
+      [field]: value,
+    }));
+  }
+
   async function handleSaveSchemeDescription() {
     if (!selectedScheme) return;
 
@@ -2136,30 +2176,20 @@ export default function HomePage() {
     setError('');
     setSchemeMessage('');
     try {
-      const schemeOneValues = Object.fromEntries(Object.entries(schemeOneParams).map(([field, value]) => [
-        field,
-        normalizeNumber(value),
-      ]));
+      const schemeOneValues = normalizeParams(schemeOneParams);
+      const schemeThreeValues = normalizeParams(schemeThreeParams);
       const gridConnectedSpeed = normalizeNumber(schemeTwoParams.grid_connected_speed);
       const ratedGeneratorSpeed = normalizeNumber(schemeTwoParams.rated_generator_speed);
       const ratedPower = normalizeNumber(schemeTwoParams.rated_power);
       const reportWindSpeedInterval = normalizeNumber(schemeTwoParams.report_wind_speed_interval);
       if (selectedScheme.id === DEFAULT_SCHEME_ID &&
-          (!Number.isFinite(schemeOneValues.rated_power) || schemeOneValues.rated_power <= 0 ||
-           !Number.isFinite(schemeOneValues.rated_wind_speed) || schemeOneValues.rated_wind_speed <= 0 ||
-           !Number.isFinite(schemeOneValues.power_step) || schemeOneValues.power_step <= 0 ||
-           !Number.isFinite(schemeOneValues.cleaning_wind_speed_step) || schemeOneValues.cleaning_wind_speed_step <= 0 ||
-           !Number.isFinite(schemeOneValues.rotor_radius) || schemeOneValues.rotor_radius <= 0 ||
-           !Number.isFinite(schemeOneValues.gearbox_ratio) || schemeOneValues.gearbox_ratio <= 0 ||
-           !Number.isFinite(schemeOneValues.report_wind_speed_interval) ||
-             schemeOneValues.report_wind_speed_interval <= 0 ||
-             schemeOneValues.report_wind_speed_interval > 2 ||
-           ['wind_speed_change_threshold', 'iqr_lower_multiplier', 'iqr_upper_multiplier',
-             'minimum_generator_speed', 'generator_speed_k'].some((field) => (
-             !Number.isFinite(schemeOneValues[field]) || schemeOneValues[field] < 0
-           )))) {
+          areBaseSchemeParamsInvalid(schemeOneValues, true)) {
         throw new Error('方案一参数必须为合法数值，额定与步长参数、叶轮半径和传动比必须大于 0');
       }
+      if (selectedScheme.id === SCHEME_THREE_ID &&
+          areBaseSchemeParamsInvalid(schemeThreeValues, false)) {
+        throw new Error('方案三参数必须为合法数值，额定与步长参数、叶轮半径必须大于 0');
+      }
       if (selectedScheme.id === SCHEME_TWO_ID &&
          (!Number.isFinite(gridConnectedSpeed) || gridConnectedSpeed <= 0 ||
            !Number.isFinite(ratedGeneratorSpeed) || ratedGeneratorSpeed <= 0 ||
@@ -2171,6 +2201,7 @@ export default function HomePage() {
       const data = await saveWindSchemeDescription(selectedScheme.id, {
         description: schemeDescription,
         ...(selectedScheme.id === DEFAULT_SCHEME_ID ? { parameters: schemeOneValues } : {}),
+        ...(selectedScheme.id === SCHEME_THREE_ID ? { parameters: schemeThreeValues } : {}),
         ...(selectedScheme.id === SCHEME_TWO_ID ? {
           parameters: {
             grid_connected_speed: gridConnectedSpeed,
@@ -2189,6 +2220,8 @@ export default function HomePage() {
         setSchemeOneParams(schemeOneParamsToState(savedScheme.parameters));
       } else if (savedScheme.id === SCHEME_TWO_ID) {
         setSchemeTwoParams(schemeParamsToState(savedScheme.parameters));
+      } else if (savedScheme.id === SCHEME_THREE_ID) {
+        setSchemeThreeParams(schemeThreeParamsToState(savedScheme.parameters));
       }
       setSchemeMessage('已保存');
     } catch (err) {
@@ -2205,6 +2238,10 @@ export default function HomePage() {
     setReading(true);
     setError('');
     setResult(null);
+    setProgress('');
+    setProgressPercent(0);
+    setProgressStage(-1);
+    setPerformanceTimings(null);
     setSelectedFan('');
     setShowFiltered(false);
     setIsEditMode(false);
@@ -2221,7 +2258,7 @@ export default function HomePage() {
         throw new Error('同一批上传文件的列头和列顺序必须完全一致');
       }
       setFiles(parsedFiles);
-      setMapping(inferMapping(parsedFiles[0].headers));
+      setMapping(inferWindMapping(parsedFiles[0].headers));
     } catch (err) {
       setError(err.message || '读取 Excel 失败');
     } finally {
@@ -2285,29 +2322,17 @@ export default function HomePage() {
       setError('请先上传文件并完成所有字段映射');
       return;
     }
-    const schemeOneValues = Object.fromEntries(Object.entries(schemeOneParams).map(([field, value]) => [
-      field,
-      normalizeNumber(value),
-    ]));
-    const schemeOneInvalid =
-      !Number.isFinite(schemeOneValues.rated_power) || schemeOneValues.rated_power <= 0 ||
-      !Number.isFinite(schemeOneValues.rated_wind_speed) || schemeOneValues.rated_wind_speed <= 0 ||
-      !Number.isFinite(schemeOneValues.power_step) || schemeOneValues.power_step <= 0 ||
-      !Number.isFinite(schemeOneValues.cleaning_wind_speed_step) ||
-        schemeOneValues.cleaning_wind_speed_step <= 0 ||
-      !Number.isFinite(schemeOneValues.rotor_radius) || schemeOneValues.rotor_radius <= 0 ||
-      !Number.isFinite(schemeOneValues.gearbox_ratio) || schemeOneValues.gearbox_ratio <= 0 ||
-      !Number.isFinite(schemeOneValues.report_wind_speed_interval) ||
-        schemeOneValues.report_wind_speed_interval <= 0 ||
-        schemeOneValues.report_wind_speed_interval > 2 ||
-      ['wind_speed_change_threshold', 'iqr_lower_multiplier', 'iqr_upper_multiplier',
-        'minimum_generator_speed', 'generator_speed_k'].some((field) => (
-        !Number.isFinite(schemeOneValues[field]) || schemeOneValues[field] < 0
-      ));
-    if (!isSchemeTwo && schemeOneInvalid) {
+    const schemeOneValues = normalizeParams(schemeOneParams);
+    const schemeThreeValues = normalizeParams(schemeThreeParams);
+    if (!isSchemeTwo && !isSchemeThree &&
+        areBaseSchemeParamsInvalid(schemeOneValues, true)) {
       setError('方案一参数必须为合法数值，额定与步长参数、叶轮半径和传动比必须大于 0');
       return;
     }
+    if (isSchemeThree && areBaseSchemeParamsInvalid(schemeThreeValues, false)) {
+      setError('方案三参数必须为合法数值，额定与步长参数、叶轮半径必须大于 0');
+      return;
+    }
     const gridConnectedSpeed = normalizeNumber(schemeTwoParams.grid_connected_speed);
     const ratedGeneratorSpeed = normalizeNumber(schemeTwoParams.rated_generator_speed);
     const ratedPower = normalizeNumber(schemeTwoParams.rated_power);
@@ -2332,10 +2357,17 @@ export default function HomePage() {
     setRestoredPointIds({});
     setErasedPointIds({});
     setConfirmedCurveScatterByFan({});
+    setPerformanceTimings(null);
     setProgress('正在准备标准化数据');
+    setProgressPercent(5);
+    setProgressStage(0);
 
     try {
-      const { rows, rawRows } = buildStandardRows(files, mapping);
+      const totalStartedAt = performance.now();
+      const rawRows = buildRawRows(files);
+      const chunks = splitRawRowsIntoChunks(rawRows);
+      setProgress('正在创建计算任务');
+      setProgressPercent(10);
       const start = await startWindJob({
         files: files.map((file) => ({
           file_name: file.file_name,
@@ -2346,25 +2378,29 @@ export default function HomePage() {
       });
       jobId = start.job_id;
 
-      const chunkCount = Math.ceil(rows.length / CHUNK_SIZE);
-      for (let index = 0; index < chunkCount; index += 1) {
-        const chunkRows = rows.slice(index * CHUNK_SIZE, (index + 1) * CHUNK_SIZE);
-        setProgress(`正在上传数据分片 ${index + 1}/${chunkCount}`);
+      const uploadStartedAt = performance.now();
+      setProgressStage(1);
+      for (let index = 0; index < chunks.length; index += 1) {
+        setProgress(`正在上传原始数据分片 ${index + 1}/${chunks.length}`);
+        setProgressPercent(15 + Math.round((index / chunks.length) * 55));
         await uploadWindChunk({
           job_id: jobId,
           chunk_index: index,
-          rows: chunkRows,
-          raw_rows: rawRows.slice(index * CHUNK_SIZE, (index + 1) * CHUNK_SIZE),
+          raw_rows: chunks[index],
         });
+        setProgressPercent(15 + Math.round(((index + 1) / chunks.length) * 55));
       }
 
       setProgress('正在清洗数据并计算功率曲线');
+      setProgressPercent(75);
+      setProgressStage(2);
       const calculation = await finishWindJob({
         job_id: jobId,
         options: {
           curve_wind_speed_step: 0.5,
           scheme_id: selectedSchemeId,
-          ...(!isSchemeTwo ? schemeOneValues : {}),
+          ...(!isSchemeTwo && !isSchemeThree ? schemeOneValues : {}),
+          ...(isSchemeThree ? schemeThreeValues : {}),
           ...(isSchemeTwo ? {
             grid_connected_speed: gridConnectedSpeed,
             rated_generator_speed: ratedGeneratorSpeed,
@@ -2373,9 +2409,17 @@ export default function HomePage() {
           } : {}),
         },
       });
+      const initialFan = calculation.initial_fan_id || calculation.fans?.[0] || '';
       setResult({ ...calculation, job_id: jobId });
-      setSelectedFan(calculation.fans?.[0] || '');
+      setSelectedFan(initialFan);
+      setPerformanceTimings({
+        ...(calculation.timings_ms || {}),
+        upload: Math.round(performance.now() - uploadStartedAt),
+        total: Math.round(performance.now() - totalStartedAt),
+      });
       setProgress('计算完成');
+      setProgressPercent(100);
+      setProgressStage(3);
     } catch (err) {
       if (jobId) {
         try {
@@ -2390,6 +2434,8 @@ export default function HomePage() {
         setReportExportNotice(message);
       }
       setProgress('');
+      setProgressPercent(0);
+      setProgressStage(-1);
     } finally {
       setSubmitting(false);
     }
@@ -2399,10 +2445,14 @@ export default function HomePage() {
     <div className="home">
       <header className="homeHeader">
         <div>
-          <h1>风电功率计算平台</h1>
-          <p className="subtitle">多 Excel 导入、字段映射、数据清洗与功率曲线计算</p>
+          <h1>{activeSection === 'settings' ? '参数设置' : '风电功率计算'}</h1>
+          <p className="subtitle">
+            {activeSection === 'settings'
+              ? '配置计算方案与设计功率曲线'
+              : '多 Excel 导入、字段映射、数据清洗与功率曲线计算'}
+          </p>
         </div>
-        <div className="headerActions">
+        {activeSection === 'calculation' && <div className="headerActions">
           <label className={`uploadButton ${reading ? 'disabled' : ''}`}>
             <input
               type="file"
@@ -2413,11 +2463,19 @@ export default function HomePage() {
             />
             {reading ? '解析中' : '上传 Excel'}
           </label>
-        </div>
+        </div>}
       </header>
 
       {error && <div className="alert error">{error}</div>}
-      {progress && <div className="alert info">{progress}</div>}
+      {activeSection === 'calculation' && (
+        <section className="currentSchemeBanner" aria-label="当前使用的计算方案">
+          <div className="currentSchemeLabel">
+            <span>当前使用方案</span>
+            <strong>{selectedScheme?.name || '方案一'}</strong>
+          </div>
+          <p>{schemeDescription || selectedScheme?.description || '暂无方案描述'}</p>
+        </section>
+      )}
       {reportExportNotice && (
         <div className="dialogBackdrop" role="presentation">
           <section className="appDialog" role="dialog" aria-modal="true" aria-labelledby="report-export-notice-title">
@@ -2432,7 +2490,7 @@ export default function HomePage() {
         </div>
       )}
 
-      <section className="panel schemePanel">
+      <section className="panel schemePanel" style={{ display: activeSection === 'settings' ? undefined : 'none' }}>
         <div className="panelHeader">
           <div>
             <h2>计算方案</h2>
@@ -2469,18 +2527,24 @@ export default function HomePage() {
         {!isSchemeTwo && (
           <>
             <p className="schemeParamHint">
-              叶尖速比 = 发电机转速 × 3.14 × 齿轮箱传动比 × 叶轮半径 × 30 ÷ 风速
+              {isSchemeThree
+                ? '叶尖速比 = 叶轮转速 × 3.14 × 叶轮半径 × 30 ÷ 风速'
+                : '叶尖速比 = 发电机转速 × 3.14 × 齿轮箱传动比 × 叶轮半径 × 30 ÷ 风速'}
             </p>
             <div className="schemeParamGrid">
-              {SCHEME_ONE_PARAM_FIELDS.map((field) => (
+              {(isSchemeThree ? SCHEME_THREE_PARAM_FIELDS : SCHEME_ONE_PARAM_FIELDS).map((field) => (
                 <label className="fieldControl" key={field.key}>
                   <span>{field.label}{field.unit ? ` (${field.unit})` : ''}</span>
                   <input
                     type="number"
                     min={field.min}
                     step={field.step}
-                    value={schemeOneParams[field.key]}
-                    onChange={(event) => handleSchemeOneParamChange(field.key, event.target.value)}
+                    value={(isSchemeThree ? schemeThreeParams : schemeOneParams)[field.key]}
+                    onChange={(event) => (
+                      isSchemeThree
+                        ? handleSchemeThreeParamChange(field.key, event.target.value)
+                        : handleSchemeOneParamChange(field.key, event.target.value)
+                    )}
                     disabled={submitting || savingScheme}
                     placeholder="请输入"
                   />
@@ -2567,7 +2631,7 @@ export default function HomePage() {
         </div>
       </section>
 
-      <section className="panel designPowerPanel">
+      <section className="panel designPowerPanel" style={{ display: activeSection === 'settings' ? undefined : 'none' }}>
         <div className="panelHeader">
           <div>
             <h2>设计功率曲线</h2>
@@ -2650,7 +2714,7 @@ export default function HomePage() {
         </div>
       </section>
 
-      <section className="workspace">
+      <section className="workspace" style={{ display: activeSection === 'calculation' ? undefined : 'none' }}>
         <div className="panel">
           <div className="panelHeader">
             <h2>1. 数据文件</h2>
@@ -2699,6 +2763,36 @@ export default function HomePage() {
               ))}
             </div>
           )}
+          {progress && (
+            <div className={`calculationProgress ${progressStage === 3 ? 'complete' : ''}`} role="status" aria-live="polite">
+              <div className="calculationProgressHeader">
+                <strong>计算进度</strong>
+                <span>{progressPercent}%</span>
+              </div>
+              <div className="calculationSteps" aria-label="计算步骤">
+                {CALCULATION_STEPS.map((step, index) => (
+                  <div
+                    className={`calculationStep ${index < progressStage ? 'completed' : ''} ${index === progressStage ? 'active' : ''}`}
+                    key={step}
+                  >
+                    <i>{index < progressStage || progressStage === 3 ? '✓' : index + 1}</i>
+                    <span>{step}</span>
+                  </div>
+                ))}
+              </div>
+              <div className="calculationProgressTrack" aria-hidden="true">
+                <span style={{ width: `${progressPercent}%` }} />
+              </div>
+              <p>{progress}</p>
+            </div>
+          )}
+          {performanceTimings && (
+            <div className="calculationTiming">
+              上传 {performanceTimings.upload ?? 0} ms · 服务端计算 {performanceTimings.calculation ?? 0} ms
+              （读取 {performanceTimings.read_parse ?? 0} ms，清洗 {performanceTimings.cleaning_and_points ?? 0} ms）
+              · 总计 {performanceTimings.total ?? 0} ms
+            </div>
+          )}
           <div className="actionRow">
             <button
               className="primaryButton"
@@ -2712,7 +2806,7 @@ export default function HomePage() {
         </div>
       </section>
 
-      <section className="panel">
+      <section className="panel" style={{ display: activeSection === 'calculation' ? undefined : 'none' }}>
         <div className="panelHeader">
           <h2>3. 列头预览</h2>
           <span>{headers.length ? `${headers.length} 列` : '暂无'}</span>
@@ -2729,7 +2823,7 @@ export default function HomePage() {
       </section>
 
       {result && (
-        <section className="resultSection">
+        <section className="resultSection" style={{ display: activeSection === 'calculation' ? undefined : 'none' }}>
           <div className="panel">
             <div className="panelHeader">
               <h2>4. 清洗结果</h2>
@@ -2758,6 +2852,7 @@ export default function HomePage() {
                 <span>
                   曲线 {selectedPoints.length} 点 · 散点 {effectiveScatter.length.toLocaleString()} 点
                   · 滤除 {visibleFilteredPoints.length.toLocaleString()} 点
+                  {loadingFanPoints ? ' · 正在加载点数据…' : ''}
                 </span>
                 <button
                   className="secondaryButton"
@@ -2807,7 +2902,11 @@ export default function HomePage() {
                 <button
                   className="secondaryButton"
                   type="button"
-                  onClick={() => exportValidRowsToExcel(selectedFan, effectiveScatter)}
+                  onClick={() => exportValidRowsToExcel(
+                    selectedFan,
+                    effectiveScatter,
+                    isSchemeThree,
+                  )}
                   disabled={!effectiveScatter.length}
                 >
                   导出有效数据
diff --git a/frontend/web_app/src/pages/LoginPage.jsx b/frontend/web_app/src/pages/LoginPage.jsx
new file mode 100644
index 0000000..5ec0a6e
--- /dev/null
+++ b/frontend/web_app/src/pages/LoginPage.jsx
@@ -0,0 +1,477 @@
+import { useState, useRef, useEffect } from 'react';
+import { login } from '../utils/api';
+import styles from './LoginPage.module.css';
+
+// ─── Simplex-like 噪声（轻量实现） ─────────────────────────
+function createNoise() {
+  const perm = new Uint8Array(512);
+  const p = new Uint8Array(256);
+  for (let i = 0; i < 256; i++) p[i] = i;
+  for (let i = 255; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [p[i], p[j]] = [p[j], p[i]];
+  }
+  for (let i = 0; i < 512; i++) perm[i] = p[i & 255];
+
+  function fade(t) { return t * t * t * (t * (t * 6 - 15) + 10); }
+  function lerp(a, b, t) { return a + t * (b - a); }
+  function grad(hash, x, y) {
+    const h = hash & 3;
+    const u = h < 2 ? x : y;
+    const v = h < 2 ? y : x;
+    return ((h & 1) ? -u : u) + ((h & 2) ? -v : v);
+  }
+
+  return function noise2D(x, y) {
+    const X = Math.floor(x) & 255;
+    const Y = Math.floor(y) & 255;
+    const xf = x - Math.floor(x);
+    const yf = y - Math.floor(y);
+    const u = fade(xf);
+    const v = fade(yf);
+    const a = perm[X] + Y;
+    const b = perm[X + 1] + Y;
+    return lerp(
+      lerp(grad(perm[a], xf, yf), grad(perm[b], xf - 1, yf), u),
+      lerp(grad(perm[a + 1], xf, yf - 1), grad(perm[b + 1], xf - 1, yf - 1), u),
+      v
+    );
+  };
+}
+
+// ─── 宇宙深空 Canvas ──────────────────────────────────────
+function DeepSpaceCanvas() {
+  const canvasRef = useRef(null);
+
+  useEffect(() => {
+    const canvas = canvasRef.current;
+    if (!canvas) return;
+    const ctx = canvas.getContext('2d');
+    const noise = createNoise();
+    let animId;
+
+    function resize() {
+      canvas.width = window.innerWidth;
+      canvas.height = window.innerHeight;
+    }
+    resize();
+    window.addEventListener('resize', resize);
+
+    // ── 三层星星 ──
+    const farStars = Array.from({ length: 500 }, () => ({
+      x: Math.random(), y: Math.random(),
+      r: 0.3 + Math.random() * 0.7,
+      alpha: 0.15 + Math.random() * 0.25,
+      phase: Math.random() * Math.PI * 2,
+      speed: 0.05 + Math.random() * 0.15,
+    }));
+
+    const midStars = Array.from({ length: 120 }, () => ({
+      x: Math.random(), y: Math.random(),
+      r: 0.6 + Math.random() * 1.2,
+      alpha: 0.3 + Math.random() * 0.4,
+      phase: Math.random() * Math.PI * 2,
+      speed: 0.15 + Math.random() * 0.3,
+      hue: Math.random() > 0.7 ? 30 + Math.random() * 30 : 210 + Math.random() * 50,
+    }));
+
+    const nearStars = Array.from({ length: 35 }, () => ({
+      x: Math.random(), y: Math.random(),
+      r: 1.2 + Math.random() * 2,
+      alpha: 0.5 + Math.random() * 0.5,
+      phase: Math.random() * Math.PI * 2,
+      speed: 0.2 + Math.random() * 0.5,
+      hue: Math.random() > 0.6 ? 20 + Math.random() * 40 : 200 + Math.random() * 60,
+    }));
+
+    // ── 星尘带（密集微粒模拟银河带） ──
+    const starDust = Array.from({ length: 800 }, () => {
+      const band = 0.3 + Math.random() * 0.4; // 集中在中间带
+      return {
+        x: Math.random(),
+        y: band + (Math.random() - 0.5) * 0.25,
+        r: 0.2 + Math.random() * 0.5,
+        alpha: 0.06 + Math.random() * 0.12,
+      };
+    });
+
+    // ── 流星 ──
+    let meteors = [];
+    function spawnMeteor() {
+      meteors.push({
+        x: Math.random() * 0.8 + 0.1,
+        y: Math.random() * 0.3,
+        vx: 0.003 + Math.random() * 0.004,
+        vy: 0.002 + Math.random() * 0.003,
+        life: 1,
+        len: 60 + Math.random() * 80,
+        hue: 200 + Math.random() * 40,
+      });
+    }
+
+    // 星云离屏缓冲（低分辨率）
+    const nebulaCanvas = document.createElement('canvas');
+    const nebulaCtx = nebulaCanvas.getContext('2d');
+    const NEBULA_SCALE = 6;
+    let lastNebulaTime = -1;
+
+    function drawNebula(t) {
+      const nw = Math.ceil(canvas.width / NEBULA_SCALE);
+      const nh = Math.ceil(canvas.height / NEBULA_SCALE);
+      if (nebulaCanvas.width !== nw || nebulaCanvas.height !== nh) {
+        nebulaCanvas.width = nw;
+        nebulaCanvas.height = nh;
+      }
+
+      // 每 3 帧更新一次星云（性能优化）
+      const frame = Math.floor(t * 10);
+      if (frame === lastNebulaTime) return;
+      lastNebulaTime = frame;
+
+      const imgData = nebulaCtx.createImageData(nw, nh);
+      const data = imgData.data;
+      const st = t * 0.02; // 极慢流动
+
+      for (let y = 0; y < nh; y++) {
+        for (let x = 0; x < nw; x++) {
+          const nx = x / nw * 4;
+          const ny = y / nh * 4;
+
+          // 多octave噪声叠加
+          let n = noise(nx + st, ny + st * 0.7) * 0.5
+                + noise(nx * 2 + st * 0.5, ny * 2 - st * 0.3) * 0.3
+                + noise(nx * 4 - st * 0.2, ny * 4 + st * 0.4) * 0.2;
+          n = (n + 1) * 0.5; // 归一化 0~1
+
+          const idx = (y * nw + x) * 4;
+
+          // 蓝紫星云
+          const b1 = Math.max(0, n - 0.4) * 2.5;
+          // 暗红星云（不同频率）
+          let n2 = noise(nx * 3 + 100 + st * 0.3, ny * 3 + 50 - st * 0.2);
+          n2 = (n2 + 1) * 0.5;
+          const r1 = Math.max(0, n2 - 0.5) * 2;
+
+          data[idx]     = Math.floor(b1 * 30 + r1 * 45);   // R
+          data[idx + 1] = Math.floor(b1 * 18 + r1 * 8);    // G
+          data[idx + 2] = Math.floor(b1 * 80 + r1 * 20);   // B
+          data[idx + 3] = Math.floor((b1 * 0.6 + r1 * 0.3) * 35); // A (非常淡)
+        }
+      }
+
+      nebulaCtx.putImageData(imgData, 0, 0);
+    }
+
+    // ── 穿梭星线 ──
+    const WARP_COUNT = 300;
+    const WARP_SPEED = 0.006;
+    const warpStars = Array.from({ length: WARP_COUNT }, () => ({
+      x: (Math.random() - 0.5) * 2,
+      y: (Math.random() - 0.5) * 2,
+      z: Math.random(),
+      pz: 0,
+    }));
+
+    let t = 0;
+    let meteorTimer = 0;
+    const DRIFT_SPEED = 0.00003; // 极慢整体漂移
+
+    function draw() {
+      const w = canvas.width;
+      const h = canvas.height;
+      const cx = w / 2;
+      const cy = h / 2;
+      t += 0.005;
+      meteorTimer += 1;
+
+      // 清屏（半透明 → 穿梭拖尾）
+      ctx.fillStyle = 'rgba(6, 6, 14, 0.18)';
+      ctx.fillRect(0, 0, w, h);
+
+      // 整体漂移偏移
+      const driftX = Math.sin(t * 0.3) * w * DRIFT_SPEED * 100;
+      const driftY = Math.cos(t * 0.2) * h * DRIFT_SPEED * 100;
+
+      // ── 1. 星云 ──
+      drawNebula(t);
+      ctx.globalAlpha = 1;
+      ctx.drawImage(nebulaCanvas, 0, 0, w, h);
+
+      // ── 2. 星尘带 ──
+      for (const d of starDust) {
+        const sx = ((d.x + driftX * 0.3 / w) % 1) * w;
+        const sy = d.y * h;
+        ctx.fillStyle = `rgba(180, 190, 220, ${d.alpha})`;
+        ctx.fillRect(sx, sy, d.r, d.r);
+      }
+
+      // ── 3. 远景星 ──
+      for (const s of farStars) {
+        const alpha = s.alpha * (0.6 + 0.4 * Math.sin(t * s.speed + s.phase));
+        const sx = ((s.x + driftX * 0.2 / w) % 1) * w;
+        const sy = ((s.y + driftY * 0.2 / h) % 1) * h;
+        ctx.fillStyle = `rgba(200, 210, 240, ${alpha})`;
+        ctx.beginPath();
+        ctx.arc(sx, sy, s.r, 0, Math.PI * 2);
+        ctx.fill();
+      }
+
+      // ── 4. 中景星 ──
+      for (const s of midStars) {
+        const alpha = s.alpha * (0.4 + 0.6 * Math.abs(Math.sin(t * s.speed + s.phase)));
+        const sx = ((s.x + driftX * 0.5 / w) % 1) * w;
+        const sy = ((s.y + driftY * 0.5 / h) % 1) * h;
+
+        // 柔和光晕
+        const grad = ctx.createRadialGradient(sx, sy, 0, sx, sy, s.r * 3);
+        grad.addColorStop(0, `hsla(${s.hue}, 60%, 88%, ${alpha})`);
+        grad.addColorStop(0.4, `hsla(${s.hue}, 50%, 70%, ${alpha * 0.3})`);
+        grad.addColorStop(1, `hsla(${s.hue}, 40%, 50%, 0)`);
+        ctx.beginPath();
+        ctx.arc(sx, sy, s.r * 3, 0, Math.PI * 2);
+        ctx.fillStyle = grad;
+        ctx.fill();
+
+        ctx.beginPath();
+        ctx.arc(sx, sy, s.r * 0.5, 0, Math.PI * 2);
+        ctx.fillStyle = `hsla(${s.hue}, 50%, 95%, ${alpha * 0.8})`;
+        ctx.fill();
+      }
+
+      // ── 5. 前景星（大星 + 衍射芒） ──
+      for (const s of nearStars) {
+        const flicker = 0.3 + 0.7 * Math.abs(Math.sin(t * s.speed + s.phase));
+        const alpha = s.alpha * flicker;
+        const sx = ((s.x + driftX * 0.8 / w) % 1) * w;
+        const sy = ((s.y + driftY * 0.8 / h) % 1) * h;
+        const glow = s.r * (1 + 0.2 * Math.sin(t * s.speed * 1.5 + s.phase));
+
+        // 外层大光晕
+        const grad = ctx.createRadialGradient(sx, sy, 0, sx, sy, glow * 6);
+        grad.addColorStop(0, `hsla(${s.hue}, 70%, 90%, ${alpha * 0.9})`);
+        grad.addColorStop(0.15, `hsla(${s.hue}, 60%, 80%, ${alpha * 0.4})`);
+        grad.addColorStop(0.5, `hsla(${s.hue}, 50%, 60%, ${alpha * 0.08})`);
+        grad.addColorStop(1, `hsla(${s.hue}, 40%, 50%, 0)`);
+        ctx.beginPath();
+        ctx.arc(sx, sy, glow * 6, 0, Math.PI * 2);
+        ctx.fillStyle = grad;
+        ctx.fill();
+
+        // 核心
+        ctx.beginPath();
+        ctx.arc(sx, sy, glow * 0.5, 0, Math.PI * 2);
+        ctx.fillStyle = `hsla(${s.hue}, 40%, 97%, ${alpha})`;
+        ctx.fill();
+
+        // 十字衍射芒
+        const spikeLen = glow * 4 * flicker;
+        const spikeAlpha = alpha * 0.25;
+        ctx.strokeStyle = `hsla(${s.hue}, 50%, 90%, ${spikeAlpha})`;
+        ctx.lineWidth = 0.8;
+        ctx.beginPath(); ctx.moveTo(sx - spikeLen, sy); ctx.lineTo(sx + spikeLen, sy); ctx.stroke();
+        ctx.beginPath(); ctx.moveTo(sx, sy - spikeLen); ctx.lineTo(sx, sy + spikeLen); ctx.stroke();
+        // 45° 短芒
+        const dLen = spikeLen * 0.4;
+        ctx.lineWidth = 0.4;
+        ctx.beginPath(); ctx.moveTo(sx - dLen, sy - dLen); ctx.lineTo(sx + dLen, sy + dLen); ctx.stroke();
+        ctx.beginPath(); ctx.moveTo(sx + dLen, sy - dLen); ctx.lineTo(sx - dLen, sy + dLen); ctx.stroke();
+      }
+
+      // ── 6. 穿梭星线 ──
+      for (const star of warpStars) {
+        star.pz = star.z;
+        star.z -= WARP_SPEED;
+        if (star.z <= 0.001) {
+          star.x = (Math.random() - 0.5) * 2;
+          star.y = (Math.random() - 0.5) * 2;
+          star.z = 1; star.pz = 1;
+        }
+        const sx2 = (star.x / star.z) * cx + cx;
+        const sy2 = (star.y / star.z) * cy + cy;
+        const px = (star.x / star.pz) * cx + cx;
+        const py = (star.y / star.pz) * cy + cy;
+        const size = (1 - star.z) * 1.8;
+        const a = (1 - star.z) * 0.5;
+        const hue2 = 220 + (1 - star.z) * 60;
+        ctx.strokeStyle = `hsla(${hue2}, 70%, ${65 + (1 - star.z) * 25}%, ${a})`;
+        ctx.lineWidth = size;
+        ctx.beginPath(); ctx.moveTo(px, py); ctx.lineTo(sx2, sy2); ctx.stroke();
+      }
+
+      // ── 7. 流星 ──
+      if (meteorTimer > 600 + Math.random() * 300) { // ~10-15秒
+        spawnMeteor();
+        meteorTimer = 0;
+      }
+      for (let i = meteors.length - 1; i >= 0; i--) {
+        const m = meteors[i];
+        m.x += m.vx;
+        m.y += m.vy;
+        m.life -= 0.012;
+        if (m.life <= 0) { meteors.splice(i, 1); continue; }
+
+        const mx = m.x * w;
+        const my = m.y * h;
+        const tailX = mx - m.vx * m.len * w;
+        const tailY = my - m.vy * m.len * h;
+        const grad = ctx.createLinearGradient(tailX, tailY, mx, my);
+        grad.addColorStop(0, `hsla(${m.hue}, 60%, 80%, 0)`);
+        grad.addColorStop(0.7, `hsla(${m.hue}, 70%, 90%, ${m.life * 0.4})`);
+        grad.addColorStop(1, `hsla(0, 0%, 100%, ${m.life * 0.8})`);
+        ctx.strokeStyle = grad;
+        ctx.lineWidth = 1.5 * m.life;
+        ctx.beginPath(); ctx.moveTo(tailX, tailY); ctx.lineTo(mx, my); ctx.stroke();
+      }
+
+      animId = requestAnimationFrame(draw);
+    }
+
+    draw();
+
+    return () => {
+      cancelAnimationFrame(animId);
+      window.removeEventListener('resize', resize);
+    };
+  }, []);
+
+  return <canvas ref={canvasRef} className={styles.starfield} />;
+}
+
+// ─── 浮动粒子层 ────────────────────────────────────────────
+function FloatingParticles() {
+  const particles = Array.from({ length: 20 }, (_, i) => ({
+    id: i,
+    left: Math.random() * 100,
+    delay: Math.random() * 8,
+    duration: 6 + Math.random() * 10,
+    size: 2 + Math.random() * 3,
+    opacity: 0.15 + Math.random() * 0.3,
+  }));
+
+  return (
+    <div className={styles.particlesLayer}>
+      {particles.map(p => (
+        <div
+          key={p.id}
+          className={styles.particle}
+          style={{
+            left: `${p.left}%`,
+            width: p.size,
+            height: p.size,
+            opacity: p.opacity,
+            animationDelay: `${p.delay}s`,
+            animationDuration: `${p.duration}s`,
+          }}
+        />
+      ))}
+    </div>
+  );
+}
+
+// ─── 登录页 ────────────────────────────────────────────────
+export default function LoginPage({ initialMessage = '', onLogin }) {
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState(initialMessage);
+  const [loading, setLoading] = useState(false);
+  const [showPwd, setShowPwd] = useState(false);
+
+  useEffect(() => {
+    setError(initialMessage);
+  }, [initialMessage]);
+
+  async function handleSubmit(e) {
+    e.preventDefault();
+    if (!username || !password) {
+      setError('请填写用户名和密码');
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError('');
+      onLogin(await login(username.trim(), password));
+    } catch (err) {
+      setError(err.message || '登录失败');
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  return (
+    <div className={styles.page}>
+      <DeepSpaceCanvas />
+      <FloatingParticles />
+      <div className={styles.radialGlow} />
+
+      <form className={styles.card} onSubmit={handleSubmit}>
+        <div className={styles.cardGlow} />
+        <img src="/logo-1.svg" alt="风电功率计算平台" className={styles.logo} />
+        <h1 className={styles.title}>风电功率计算平台</h1>
+        <p className={styles.subtitle}>数据分析 · 功率计算</p>
+
+        <div className={styles.field}>
+          <label className={styles.label}>用户名</label>
+          <input
+            id="login-username"
+            className={styles.input}
+            type="text"
+            value={username}
+            onChange={(e) => setUsername(e.target.value)}
+            placeholder="请输入用户名"
+            autoComplete="username"
+            autoFocus
+          />
+        </div>
+
+        <div className={styles.field}>
+          <label className={styles.label}>密码</label>
+          <div className={styles.inputWrap}>
+            <input
+              id="login-password"
+              className={styles.input}
+              type={showPwd ? 'text' : 'password'}
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              placeholder="请输入密码"
+              autoComplete="current-password"
+            />
+            <button
+              type="button"
+              className={styles.eyeBtn}
+              onClick={() => setShowPwd(!showPwd)}
+              tabIndex={-1}
+              aria-label={showPwd ? '隐藏密码' : '显示密码'}
+            >
+              {showPwd ? (
+                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                  <path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94"/>
+                  <path d="M14.12 14.12a3 3 0 1 1-4.24-4.24"/>
+                  <line x1="1" y1="1" x2="23" y2="23"/>
+                  <path d="M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19"/>
+                </svg>
+              ) : (
+                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                  <path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/>
+                  <circle cx="12" cy="12" r="3"/>
+                </svg>
+              )}
+            </button>
+          </div>
+        </div>
+
+        {error && <div className={styles.error} role="alert">{error}</div>}
+
+        <button id="login-submit" className={styles.button} type="submit" disabled={loading}>
+          {loading ? '登录中...' : '登 录'}
+        </button>
+
+        <div className={styles.footer}>
+          <span className={styles.footerDot} />
+          <span className={styles.footerText}>Wind Power Analysis</span>
+          <span className={styles.footerDot} />
+        </div>
+      </form>
+    </div>
+  );
+}
diff --git a/frontend/web_app/src/pages/LoginPage.module.css b/frontend/web_app/src/pages/LoginPage.module.css
new file mode 100644
index 0000000..989cf8b
--- /dev/null
+++ b/frontend/web_app/src/pages/LoginPage.module.css
@@ -0,0 +1,303 @@
+/* ─── 页面容器 ─── */
+.page {
+  position: relative;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100vh;
+  background: #080812;
+  overflow: hidden;
+}
+
+/* ─── 星空穿梭 + 闪烁星星 Canvas ─── */
+.starfield {
+  position: absolute;
+  inset: 0;
+  z-index: 0;
+}
+
+/* ─── 中心径向辉光 ─── */
+.radialGlow {
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  background:
+    radial-gradient(ellipse 60% 50% at 50% 50%,
+      rgba(99, 102, 241, 0.08) 0%,
+      transparent 70%),
+    radial-gradient(ellipse 40% 30% at 50% 45%,
+      rgba(139, 92, 246, 0.06) 0%,
+      transparent 60%);
+  pointer-events: none;
+}
+
+/* ─── 浮动粒子 ─── */
+.particlesLayer {
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  pointer-events: none;
+  overflow: hidden;
+}
+
+.particle {
+  position: absolute;
+  bottom: -10px;
+  border-radius: 50%;
+  background: #818cf8;
+  filter: blur(1px);
+  animation: floatUp linear infinite;
+}
+
+@keyframes floatUp {
+  0% {
+    transform: translateY(0) translateX(0);
+    opacity: 0;
+  }
+  10% {
+    opacity: var(--opacity, 0.3);
+  }
+  90% {
+    opacity: var(--opacity, 0.3);
+  }
+  100% {
+    transform: translateY(-100vh) translateX(30px);
+    opacity: 0;
+  }
+}
+
+/* ─── 登录卡片 ─── */
+.card {
+  position: relative;
+  z-index: 10;
+  width: 400px;
+  background: rgba(18, 18, 30, 0.75);
+  border: 1px solid rgba(99, 102, 241, 0.15);
+  border-radius: 16px;
+  padding: 44px 36px 32px;
+  backdrop-filter: blur(20px) saturate(1.4);
+  box-shadow:
+    0 0 60px rgba(99, 102, 241, 0.08),
+    0 0 120px rgba(139, 92, 246, 0.04),
+    0 24px 48px rgba(0, 0, 0, 0.5);
+  animation: cardEnter 0.8s ease-out;
+}
+
+/* 卡片顶部光带 */
+.cardGlow {
+  position: absolute;
+  top: -1px;
+  left: 20%;
+  right: 20%;
+  height: 2px;
+  background: linear-gradient(90deg,
+    transparent,
+    rgba(99, 102, 241, 0.6),
+    rgba(168, 85, 247, 0.6),
+    transparent);
+  border-radius: 2px;
+  animation: glowPulse 3s ease-in-out infinite;
+}
+
+@keyframes cardEnter {
+  from {
+    opacity: 0;
+    transform: translateY(30px) scale(0.96);
+    filter: blur(8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+    filter: blur(0);
+  }
+}
+
+@keyframes glowPulse {
+  0%, 100% { opacity: 0.5; left: 20%; right: 20%; }
+  50% { opacity: 1; left: 10%; right: 10%; }
+}
+
+/* ─── Logo ─── */
+.logo {
+  display: block;
+  width: 60px;
+  height: 60px;
+  margin: 0 auto 18px;
+  object-fit: contain;
+  filter: drop-shadow(0 0 16px rgba(99, 102, 241, 0.3));
+  animation: logoPulse 4s ease-in-out infinite;
+}
+
+@keyframes logoPulse {
+  0%, 100% { filter: drop-shadow(0 0 16px rgba(99, 102, 241, 0.3)); }
+  50% { filter: drop-shadow(0 0 24px rgba(139, 92, 246, 0.5)); }
+}
+
+/* ─── 标题 ─── */
+.title {
+  font-size: 28px;
+  font-weight: 700;
+  text-align: center;
+  margin: 0 0 6px;
+  background: linear-gradient(135deg, #e0e7ff, #c7d2fe, #a5b4fc);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+  letter-spacing: 2px;
+}
+
+.subtitle {
+  font-size: 16px;
+  color: #6b7280;
+  text-align: center;
+  margin: 16px 0 22px;
+  letter-spacing: 6px;
+}
+
+/* ─── 表单字段 ─── */
+.field {
+  margin-bottom: 22px;
+}
+
+.label {
+  display: block;
+  font-size: 15px;
+  color: #8b8fa3;
+  margin-bottom: 8px;
+  letter-spacing: 0.5px;
+}
+
+.input {
+  width: 100%;
+  padding: 11px 14px;
+  background: rgba(20, 20, 36, 0.8);
+  border: 1px solid rgba(99, 102, 241, 0.12);
+  border-radius: 8px;
+  color: #d1d5db;
+  font-size: 17px;
+  outline: none;
+  transition: all 0.2s ease;
+  box-sizing: border-box;
+}
+
+.input:focus {
+  border-color: rgba(99, 102, 241, 0.5);
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08);
+  background: rgba(20, 20, 36, 1);
+}
+
+.input::placeholder {
+  color: #4a4e5a;
+}
+
+.inputWrap {
+  position: relative;
+}
+
+.inputWrap .input {
+  padding-right: 42px;
+}
+
+.eyeBtn {
+  position: absolute;
+  right: 10px;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  padding: 4px;
+  cursor: pointer;
+  color: #4a4e5a;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: color 0.15s;
+}
+
+.eyeBtn:hover {
+  color: #818cf8;
+}
+
+/* ─── 错误提示 ─── */
+.error {
+  font-size: 13px;
+  color: #f87171;
+  margin-bottom: 16px;
+  text-align: center;
+  padding: 8px 12px;
+  background: rgba(239, 68, 68, 0.06);
+  border: 1px solid rgba(239, 68, 68, 0.15);
+  border-radius: 6px;
+}
+
+/* ─── 登录按钮 ─── */
+.button {
+  width: 100%;
+  padding: 12px;
+  background: linear-gradient(135deg, #6366f1, #8b5cf6);
+  border: none;
+  border-radius: 8px;
+  color: #fff;
+  font-size: 16px;
+  font-weight: 600;
+  cursor: pointer;
+  letter-spacing: 4px;
+  transition: all 0.2s ease;
+  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.25);
+  position: relative;
+  overflow: hidden;
+}
+
+.button::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background: linear-gradient(90deg,
+    transparent,
+    rgba(255, 255, 255, 0.08),
+    transparent);
+  transform: translateX(-100%);
+  transition: transform 0.5s ease;
+}
+
+.button:hover {
+  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.4);
+  transform: translateY(-1px);
+}
+
+.button:hover::before {
+  transform: translateX(100%);
+}
+
+.button:active {
+  transform: translateY(0);
+}
+
+.button:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+  transform: none;
+  box-shadow: none;
+}
+
+/* ─── 底部 ─── */
+.footer {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  margin-top: 28px;
+}
+
+.footerDot {
+  width: 4px;
+  height: 4px;
+  border-radius: 50%;
+  background: rgba(99, 102, 241, 0.3);
+}
+
+.footerText {
+  font-size: 13px;
+  color: #4a4e5a;
+  letter-spacing: 1px;
+}
diff --git a/frontend/web_app/src/utils/api.js b/frontend/web_app/src/utils/api.js
index c1d94bf..45791b2 100644
--- a/frontend/web_app/src/utils/api.js
+++ b/frontend/web_app/src/utils/api.js
@@ -20,6 +20,7 @@ async function request(url, options = {}) {
 
   const resp = await fetch(`${BASE_URL}${url}`, {
     cache: 'no-store',
+    credentials: 'same-origin',
     ...options,
     headers,
   });
@@ -33,6 +34,11 @@ async function request(url, options = {}) {
 
   // 业务失败
   if (json.status !== 0) {
+    if (resp.status === 401 && url !== '/auth/login' && url !== '/auth/me') {
+      window.dispatchEvent(new CustomEvent('wind-auth-required', {
+        detail: { message: json.msg || '请先登录' },
+      }));
+    }
     throw new Error(json.msg || '请求失败');
   }
   return json.data;
@@ -54,6 +60,39 @@ export function getHealth() {
   return request('/system/health');
 }
 
+export function login(username, password) {
+  return request('/auth/login', {
+    method: 'POST',
+    body: JSON.stringify({ username, password }),
+  });
+}
+
+export function logout() {
+  return request('/auth/logout', { method: 'POST' });
+}
+
+export function getCurrentUser() {
+  return request('/auth/me');
+}
+
+export function getAccounts() {
+  return request('/admin/accounts');
+}
+
+export function createAccount(payload) {
+  return request('/admin/accounts', {
+    method: 'POST',
+    body: JSON.stringify(payload),
+  });
+}
+
+export function updateAccount(username, payload) {
+  return request(`/admin/accounts/${encodeURIComponent(username)}`, {
+    method: 'PUT',
+    body: JSON.stringify(payload),
+  });
+}
+
 /**
  * 获取计算方案列表
  * @returns {Promise<{default_scheme_id: string, schemes: Array<object>}>}
@@ -108,8 +147,8 @@ export function startWindJob(payload) {
 }
 
 /**
- * 上传标准化后的数据分片
- * @param {{job_id: string, chunk_index: number, rows: Array<object>}} payload
+ * 上传完整原始数据分片，服务端按任务列映射生成计算行。
+ * @param {{job_id: string, chunk_index: number, raw_rows: Array<object>}} payload
  * @returns {Promise<{accepted_rows: number}>}
  */
 export function uploadWindChunk(payload) {
@@ -131,6 +170,11 @@ export function finishWindJob(payload) {
   });
 }
 
+/** 获取单台风机的完整有效点与过滤点。 */
+export function getWindFanPoints(jobId, fanId) {
+  return request(`/wind/jobs/${encodeURIComponent(jobId)}/fans/${encodeURIComponent(fanId)}/points`);
+}
+
 /**
  * 清理未完成的计算任务
  * @param {string} jobId
@@ -147,6 +191,7 @@ export async function downloadWindReport(jobId, payload) {
   const resp = await fetch(`${BASE_URL}/wind/jobs/${encodeURIComponent(jobId)}/report`, {
     method: 'POST',
     cache: 'no-store',
+    credentials: 'same-origin',
     headers: { 'Content-Type': 'application/json' },
     body: JSON.stringify(payload),
   });
@@ -154,11 +199,19 @@ export async function downloadWindReport(jobId, payload) {
     const text = await resp.text();
     try {
       const json = JSON.parse(text);
+      if (resp.status === 401) {
+        window.dispatchEvent(new CustomEvent('wind-auth-required', {
+          detail: { message: json.msg || '请先登录' },
+        }));
+      }
       throw new Error(json.msg || '完整报告生成失败');
     } catch (error) {
       if (error instanceof SyntaxError) throw new Error('完整报告生成失败，请稍后重试');
       throw error;
     }
   }
-  return resp.blob();
+  return {
+    blob: await resp.blob(),
+    serverTiming: resp.headers.get('Server-Timing') || '',
+  };
 }
diff --git a/frontend/web_app/src/utils/powerCurveLegendLayout.js b/frontend/web_app/src/utils/powerCurveLegendLayout.js
new file mode 100644
index 0000000..1a0d4b3
--- /dev/null
+++ b/frontend/web_app/src/utils/powerCurveLegendLayout.js
@@ -0,0 +1,39 @@
+function clamp(value, minimum, maximum) {
+  if (maximum < minimum) return minimum;
+  return Math.min(Math.max(value, minimum), maximum);
+}
+
+export function resolvePowerCurveLegendLayout({
+  plotLeft,
+  plotTop,
+  plotWidth,
+  plotHeight,
+  fontSize,
+  entries,
+  textWidths,
+}) {
+  const inset = 18;
+  const markerWidth = 20;
+  const labelOffset = 30;
+  const textHeight = Math.max(1, Math.ceil(fontSize * 1.2));
+  const lineHeight = Math.max(34, textHeight + 10);
+  const legendWidth = markerWidth + labelOffset + Math.max(0, ...textWidths);
+  const legendHeight = textHeight + Math.max(0, entries.length - 1) * lineHeight;
+  const plotRight = plotLeft + plotWidth;
+  const plotBottom = plotTop + plotHeight;
+  const minLeft = plotLeft + inset;
+  const minTop = plotTop + inset;
+  const desiredLeft = plotLeft + 22;
+  const desiredTop = plotTop + Math.max(30, fontSize + 10);
+
+  return {
+    left: clamp(desiredLeft, minLeft, plotRight - inset - legendWidth),
+    top: clamp(desiredTop, minTop, plotBottom - inset - legendHeight),
+    markerWidth,
+    labelOffset,
+    textHeight,
+    lineHeight,
+    width: legendWidth,
+    height: legendHeight,
+  };
+}
diff --git a/frontend/web_app/src/utils/powerCurveLegendLayout.test.js b/frontend/web_app/src/utils/powerCurveLegendLayout.test.js
new file mode 100644
index 0000000..b91e4e5
--- /dev/null
+++ b/frontend/web_app/src/utils/powerCurveLegendLayout.test.js
@@ -0,0 +1,40 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { resolvePowerCurveLegendLayout } from './powerCurveLegendLayout.js';
+
+function assertInsidePlot(layout, { left, top, width, height }) {
+  assert.ok(layout.left >= left);
+  assert.ok(layout.top >= top);
+  assert.ok(layout.left + layout.width <= left + width);
+  assert.ok(layout.top + layout.height <= top + height);
+}
+
+test('keeps three-entry legends inside the plot at every supported text scale', () => {
+  for (const fontSize of [18, 24, 36]) {
+    const plot = { left: 160, top: 120, width: 1570, height: 905 };
+    const layout = resolvePowerCurveLegendLayout({
+      plotLeft: plot.left,
+      plotTop: plot.top,
+      plotWidth: plot.width,
+      plotHeight: plot.height,
+      fontSize,
+      entries: [['散点数据', 'scatter'], ['实际功率', 'actual'], ['设计功率', 'design']],
+      textWidths: [fontSize * 4, fontSize * 4, fontSize * 4],
+    });
+    assertInsidePlot(layout, plot);
+  }
+});
+
+test('keeps a four-entry legend inside the plot', () => {
+  const plot = { left: 160, top: 142, width: 1570, height: 861 };
+  const layout = resolvePowerCurveLegendLayout({
+    plotLeft: plot.left,
+    plotTop: plot.top,
+    plotWidth: plot.width,
+    plotHeight: plot.height,
+    fontSize: 36,
+    entries: [['散点数据', 'scatter'], ['实际功率', 'actual'], ['设计功率', 'design'], ['滤除点', 'filtered']],
+    textWidths: [144, 144, 144, 108],
+  });
+  assertInsidePlot(layout, plot);
+});
diff --git a/frontend/web_app/src/utils/powerCurveModel.js b/frontend/web_app/src/utils/powerCurveModel.js
index be66a13..bdb161b 100644
--- a/frontend/web_app/src/utils/powerCurveModel.js
+++ b/frontend/web_app/src/utils/powerCurveModel.js
@@ -101,6 +101,17 @@ export function getDrawableActualCurve(actualCurve = []) {
     .sort((left, right) => left.wind_speed - right.wind_speed);
 }
 
+export function hasDrawablePowerCurveData({
+  actualCurve = [],
+  designCurve = [],
+  scatterPoints = [],
+  filteredPoints = [],
+  showFiltered = false,
+} = {}) {
+  return Boolean(actualCurve.length || designCurve.length || scatterPoints.length ||
+    (showFiltered && filteredPoints.length));
+}
+
 function interpolatePowerAtWindSpeed(designCurve, windSpeed) {
   if (!designCurve.length || windSpeed < designCurve[0].wind_speed - EPSILON
     || windSpeed > designCurve[designCurve.length - 1].wind_speed + EPSILON) {
diff --git a/frontend/web_app/src/utils/powerCurveModel.test.js b/frontend/web_app/src/utils/powerCurveModel.test.js
index 4d0eea8..41e8ef7 100644
--- a/frontend/web_app/src/utils/powerCurveModel.test.js
+++ b/frontend/web_app/src/utils/powerCurveModel.test.js
@@ -1,6 +1,10 @@
 import assert from 'node:assert/strict';
 import test from 'node:test';
-import { buildActualCurveFromDesign, getDrawableActualCurve } from './powerCurveModel.js';
+import {
+  buildActualCurveFromDesign,
+  getDrawableActualCurve,
+  hasDrawablePowerCurveData,
+} from './powerCurveModel.js';
 
 test('getDrawableActualCurve skips empty design bins and keeps adjacent valid points', () => {
   const actualCurve = buildActualCurveFromDesign(
@@ -27,3 +31,12 @@ test('getDrawableActualCurve skips empty design bins and keeps adjacent valid po
     ],
   );
 });
+
+test('allows a chart to render when only scatter points are available', () => {
+  assert.equal(hasDrawablePowerCurveData({
+    actualCurve: [],
+    designCurve: [],
+    scatterPoints: [{ wind_speed: 8, active_power: 1500 }],
+  }), true);
+  assert.equal(hasDrawablePowerCurveData({}), false);
+});
diff --git a/frontend/web_app/src/utils/windFieldMapping.js b/frontend/web_app/src/utils/windFieldMapping.js
new file mode 100644
index 0000000..3534d19
--- /dev/null
+++ b/frontend/web_app/src/utils/windFieldMapping.js
@@ -0,0 +1,83 @@
+export const BASE_REQUIRED_FIELDS = [
+  { key: 'time', label: '时间' },
+  { key: 'fan_id', label: '风机编号' },
+  { key: 'wind_speed', label: '风速' },
+  { key: 'active_power', label: '有功功率' },
+  { key: 'generator_speed', label: '发电机转速' },
+];
+
+export const ROTOR_SPEED_FIELD = { key: 'rotor_speed', label: '叶轮转速' };
+
+export const PITCH_REQUIRED_FIELDS = [
+  { key: 'blade_pitch_1', label: '1#叶片角度' },
+  { key: 'blade_pitch_2', label: '2#叶片角度' },
+  { key: 'blade_pitch_3', label: '3#叶片角度' },
+];
+
+export const REQUIRED_FIELDS = [
+  ...BASE_REQUIRED_FIELDS,
+  ROTOR_SPEED_FIELD,
+  ...PITCH_REQUIRED_FIELDS,
+];
+
+const FIELD_HINTS = {
+  time: ['时间', 'time', 'timestamp', '日期'],
+  fan_id: ['风机编号', '机组编号', '机组名称', '风机名称', '风机', 'fan', 'turbine'],
+  wind_speed: ['风速', '平均风速', 'wind speed', 'windspeed'],
+  active_power: ['平均有功功率', '有功功率', 'active power', 'power'],
+  generator_speed: ['发电机转速', '平均发电机转速', 'generator speed', 'rpm'],
+  rotor_speed: ['风轮实时转速', '叶轮实时转速', '风轮转速', '叶轮转速', '主轴转速', '转子转速', 'rotor speed', 'rotor rpm'],
+  blade_pitch_1: ['1#叶片变桨角度', '1#叶片角度', '1叶片变桨角度', '1叶片角度', '1号叶片角度', '叶片1角度', '桨角1', '变桨角1', 'pitch 1', 'pitch angle 1', 'blade pitch 1'],
+  blade_pitch_2: ['2#叶片变桨角度', '2#叶片角度', '2叶片变桨角度', '2叶片角度', '2号叶片角度', '叶片2角度', '桨角2', '变桨角2', 'pitch 2', 'pitch angle 2', 'blade pitch 2'],
+  blade_pitch_3: ['3#叶片变桨角度', '3#叶片角度', '3叶片变桨角度', '3叶片角度', '3号叶片角度', '叶片3角度', '桨角3', '变桨角3', 'pitch 3', 'pitch angle 3', 'blade pitch 3'],
+};
+
+const FIELD_EXCLUDES = {
+  active_power: ['限功率', '限电', '时间', '累计'],
+  generator_speed: ['风轮', '叶轮', '主轴', '转子'],
+  rotor_speed: ['发电机'],
+};
+
+export function normalizeHeader(value) {
+  return String(value ?? '')
+    .trim()
+    .toLowerCase()
+    .replace(/\s+/g, '')
+    .replace(/[()（）_\-./]/g, '');
+}
+
+export function inferWindMapping(headers) {
+  const normalized = headers.map((header) => ({
+    header,
+    normalized: normalizeHeader(header),
+  }));
+  const mapping = {};
+
+  for (const field of REQUIRED_FIELDS) {
+    const hints = FIELD_HINTS[field.key].map(normalizeHeader);
+    const excludes = (FIELD_EXCLUDES[field.key] || []).map(normalizeHeader);
+    let best = null;
+    for (const item of normalized) {
+      if (!item.normalized || excludes.some((exclude) => item.normalized.includes(exclude))) {
+        continue;
+      }
+      let score = 0;
+      hints.forEach((hint, index) => {
+        const weight = hints.length - index;
+        if (item.normalized === hint) {
+          score = Math.max(score, 100 + weight);
+        } else if (item.normalized.includes(hint)) {
+          score = Math.max(score, 60 + weight);
+        } else if (hint.includes(item.normalized)) {
+          score = Math.max(score, 20 + weight);
+        }
+      });
+      if (!best || score > best.score) {
+        best = { ...item, score };
+      }
+    }
+    mapping[field.key] = best && best.score > 0 ? best.header : '';
+  }
+
+  return mapping;
+}
diff --git a/frontend/web_app/src/utils/windFieldMapping.test.js b/frontend/web_app/src/utils/windFieldMapping.test.js
new file mode 100644
index 0000000..be39f57
--- /dev/null
+++ b/frontend/web_app/src/utils/windFieldMapping.test.js
@@ -0,0 +1,26 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { inferWindMapping } from './windFieldMapping.js';
+
+test('maps generator and rotor speed to distinct Chinese columns', () => {
+  const mapping = inferWindMapping([
+    '时间',
+    '机组名称',
+    '平均风速(m/s)',
+    '平均有功功率(kW)',
+    '发电机转速(rpm)',
+    '风轮实时转速(rpm)',
+  ]);
+
+  assert.equal(mapping.generator_speed, '发电机转速(rpm)');
+  assert.equal(mapping.rotor_speed, '风轮实时转速(rpm)');
+  assert.equal(mapping.fan_id, '机组名称');
+});
+
+test('does not use a generator speed column as rotor speed', () => {
+  const mapping = inferWindMapping(['发电机转速(rpm)']);
+
+  assert.equal(mapping.generator_speed, '发电机转速(rpm)');
+  assert.equal(mapping.rotor_speed, '');
+});