fix(oauth): use resolvedTheme for provider icons

feat: add auto theme mode (follow system preference)

src/App.tsx

@@ -31,10 +31,11 @@ function App() {
   const [authReady, setAuthReady] = useState(false);
 
   useEffect(() => {
-    initializeTheme();
+    const cleanupTheme = initializeTheme();
     void restoreSession().finally(() => {
       setAuthReady(true);
     });
+    return cleanupTheme;
   }, [initializeTheme, restoreSession]);
 
   useEffect(() => {

src/components/layout/MainLayout.tsx

@@ -1,4 +1,12 @@
-import { ReactNode, SVGProps, useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react';
+import {
+  ReactNode,
+  SVGProps,
+  useCallback,
+  useEffect,
+  useLayoutEffect,
+  useRef,
+  useState,
+} from 'react';
 import { NavLink, Outlet } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import { Button } from '@/components/ui/Button';
@@ -14,10 +22,16 @@ import {
   IconScrollText,
   IconSettings,
   IconShield,
-  IconSlidersHorizontal
+  IconSlidersHorizontal,
 } from '@/components/ui/icons';
 import { INLINE_LOGO_JPEG } from '@/assets/logoInline';
-import { useAuthStore, useConfigStore, useLanguageStore, useNotificationStore, useThemeStore } from '@/stores';
+import {
+  useAuthStore,
+  useConfigStore,
+  useLanguageStore,
+  useNotificationStore,
+  useThemeStore,
+} from '@/stores';
 import { configApi, versionApi } from '@/services/api';
 
 const sidebarIcons: Record<string, ReactNode> = {
@@ -30,7 +44,7 @@ const sidebarIcons: Record<string, ReactNode> = {
   usage: <IconChartLine size={18} />,
   config: <IconSettings size={18} />,
   logs: <IconScrollText size={18} />,
-  system: <IconInfo size={18} />
+  system: <IconInfo size={18} />,
 };
 
 // Header action icons - smaller size for header buttons
@@ -44,7 +58,7 @@ const headerIconProps: SVGProps<SVGSVGElement> = {
   strokeLinecap: 'round',
   strokeLinejoin: 'round',
   'aria-hidden': 'true',
-  focusable: 'false'
+  focusable: 'false',
 };
 
 const headerIcons = {
@@ -97,19 +111,38 @@ const headerIcons = {
       <path d="m19.07 4.93-1.41 1.41" />
     </svg>
   ),
-	  moon: (
+  moon: (
-	    <svg {...headerIconProps}>
+    <svg {...headerIconProps}>
-	      <path d="M12 3a6 6 0 0 0 9 9 9 9 0 1 1-9-9z" />
+      <path d="M12 3a6 6 0 0 0 9 9 9 9 0 1 1-9-9z" />
-	    </svg>
+    </svg>
-	  ),
+  ),
-	  logout: (
+  autoTheme: (
-	    <svg {...headerIconProps}>
+    <svg {...headerIconProps}>
-	      <path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4" />
+      <defs>
-	      <path d="m16 17 5-5-5-5" />
+        <clipPath id="mainLayoutAutoThemeSunLeftHalf">
-	      <path d="M21 12H9" />
+          <rect x="0" y="0" width="12" height="24" />
-	    </svg>
+        </clipPath>
-	  )
+      </defs>
-	};
+      <circle cx="12" cy="12" r="4" />
+      <circle cx="12" cy="12" r="4" clipPath="url(#mainLayoutAutoThemeSunLeftHalf)" fill="currentColor" />
+      <path d="M12 2v2" />
+      <path d="M12 20v2" />
+      <path d="M4.93 4.93l1.41 1.41" />
+      <path d="M17.66 17.66l1.41 1.41" />
+      <path d="M2 12h2" />
+      <path d="M20 12h2" />
+      <path d="M6.34 17.66l-1.41 1.41" />
+      <path d="M19.07 4.93l-1.41 1.41" />
+    </svg>
+  ),
+  logout: (
+    <svg {...headerIconProps}>
+      <path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4" />
+      <path d="m16 17 5-5-5-5" />
+      <path d="M21 12H9" />
+    </svg>
+  ),
+};
 
 const parseVersionSegments = (version?: string | null) => {
   if (!version) return null;
@@ -153,7 +186,7 @@ export function MainLayout() {
   const updateConfigValue = useConfigStore((state) => state.updateConfigValue);
 
   const theme = useThemeStore((state) => state.theme);
-  const toggleTheme = useThemeStore((state) => state.toggleTheme);
+  const cycleTheme = useThemeStore((state) => state.cycleTheme);
   const toggleLanguage = useLanguageStore((state) => state.toggleLanguage);
 
   const [sidebarOpen, setSidebarOpen] = useState(false);
@@ -187,7 +220,9 @@ export function MainLayout() {
     updateHeaderHeight();
 
     const resizeObserver =
-      typeof ResizeObserver !== 'undefined' && headerRef.current ? new ResizeObserver(updateHeaderHeight) : null;
+      typeof ResizeObserver !== 'undefined' && headerRef.current
+        ? new ResizeObserver(updateHeaderHeight)
+        : null;
     if (resizeObserver && headerRef.current) {
       resizeObserver.observe(headerRef.current);
     }
@@ -320,8 +355,10 @@ export function MainLayout() {
     { path: '/oauth', label: t('nav.oauth', { defaultValue: 'OAuth' }), icon: sidebarIcons.oauth },
     { path: '/usage', label: t('nav.usage_stats'), icon: sidebarIcons.usage },
     { path: '/config', label: t('nav.config_management'), icon: sidebarIcons.config },
-    ...(config?.loggingToFile ? [{ path: '/logs', label: t('nav.logs'), icon: sidebarIcons.logs }] : []),
+    ...(config?.loggingToFile
-    { path: '/system', label: t('nav.system_info'), icon: sidebarIcons.system }
+      ? [{ path: '/logs', label: t('nav.logs'), icon: sidebarIcons.logs }]
+      : []),
+    { path: '/system', label: t('nav.system_info'), icon: sidebarIcons.system },
   ];
 
   const handleRefreshAll = async () => {
@@ -370,7 +407,11 @@ export function MainLayout() {
           <button
             className="sidebar-toggle-header"
             onClick={() => setSidebarCollapsed((prev) => !prev)}
-            title={sidebarCollapsed ? t('sidebar.expand', { defaultValue: '展开' }) : t('sidebar.collapse', { defaultValue: '收起' })}
+            title={
+              sidebarCollapsed
+                ? t('sidebar.expand', { defaultValue: '展开' })
+                : t('sidebar.collapse', { defaultValue: '收起' })
+            }
           >
             {sidebarCollapsed ? headerIcons.chevronRight : headerIcons.chevronLeft}
           </button>
@@ -400,20 +441,40 @@ export function MainLayout() {
           </div>
 
           <div className="header-actions">
-            <Button className="mobile-menu-btn" variant="ghost" size="sm" onClick={() => setSidebarOpen((prev) => !prev)}>
+            <Button
+              className="mobile-menu-btn"
+              variant="ghost"
+              size="sm"
+              onClick={() => setSidebarOpen((prev) => !prev)}
+            >
               {headerIcons.menu}
             </Button>
-            <Button variant="ghost" size="sm" onClick={handleRefreshAll} title={t('header.refresh_all')}>
+            <Button
+              variant="ghost"
+              size="sm"
+              onClick={handleRefreshAll}
+              title={t('header.refresh_all')}
+            >
               {headerIcons.refresh}
             </Button>
-            <Button variant="ghost" size="sm" onClick={handleVersionCheck} loading={checkingVersion} title={t('system_info.version_check_button')}>
+            <Button
+              variant="ghost"
+              size="sm"
+              onClick={handleVersionCheck}
+              loading={checkingVersion}
+              title={t('system_info.version_check_button')}
+            >
               {headerIcons.update}
             </Button>
             <Button variant="ghost" size="sm" onClick={toggleLanguage} title={t('language.switch')}>
               {headerIcons.language}
             </Button>
-            <Button variant="ghost" size="sm" onClick={toggleTheme} title={t('theme.switch')}>
+            <Button variant="ghost" size="sm" onClick={cycleTheme} title={t('theme.switch')}>
-              {theme === 'dark' ? headerIcons.sun : headerIcons.moon}
+              {theme === 'auto'
+                ? headerIcons.autoTheme
+                : theme === 'dark'
+                  ? headerIcons.moon
+                  : headerIcons.sun}
             </Button>
             <Button variant="ghost" size="sm" onClick={logout} title={t('header.logout')}>
               {headerIcons.logout}
@@ -423,7 +484,9 @@ export function MainLayout() {
       </header>
 
       <div className="main-body">
-        <aside className={`sidebar ${sidebarOpen ? 'open' : ''} ${sidebarCollapsed ? 'collapsed' : ''}`}>
+        <aside
+          className={`sidebar ${sidebarOpen ? 'open' : ''} ${sidebarCollapsed ? 'collapsed' : ''}`}
+        >
           <div className="nav-section">
             {navItems.map((item) => (
               <NavLink
@@ -454,7 +517,9 @@ export function MainLayout() {
             </span>
             <span>
               {t('footer.build_date')}:{' '}
-              {serverBuildDate ? new Date(serverBuildDate).toLocaleString(i18n.language) : t('system_info.version_unknown')}
+              {serverBuildDate
+                ? new Date(serverBuildDate).toLocaleString(i18n.language)
+                : t('system_info.version_unknown')}
             </span>
           </footer>
         </div>

src/i18n/locales/en.json

@@ -589,6 +589,7 @@
     "error_log_button": "Select Error Log",
     "error_logs_modal_title": "Error Request Logs",
     "error_logs_description": "Pick an error request log file to download (only generated when request logging is off).",
+    "error_logs_request_log_enabled": "Request logging is enabled, so this list will always be empty. Disable request logging and refresh to view error logs.",
     "error_logs_empty": "No error request log files found",
     "error_logs_load_error": "Failed to load error log list",
     "error_logs_size": "Size",

src/i18n/locales/zh-CN.json

@@ -589,6 +589,7 @@
     "error_log_button": "选择错误日志",
     "error_logs_modal_title": "错误请求日志",
     "error_logs_description": "请选择要下载的错误请求日志文件（仅在关闭请求日志时生成）。",
+    "error_logs_request_log_enabled": "当前已开启请求日志，按接口约定错误请求日志列表会始终为空。关闭请求日志后再刷新即可查看。",
     "error_logs_empty": "暂无错误请求日志文件",
     "error_logs_load_error": "加载错误日志列表失败",
     "error_logs_size": "大小",

src/pages/AuthFilesPage.tsx

@@ -17,6 +17,7 @@ import styles from './AuthFilesPage.module.scss';
 
 type ThemeColors = { bg: string; text: string; border?: string };
 type TypeColorSet = { light: ThemeColors; dark?: ThemeColors };
+type ResolvedTheme = 'light' | 'dark';
 
 // 标签类型颜色配置（对齐重构前 styles.css 的 file-type-badge 颜色）
 const TYPE_COLORS: Record<string, TypeColorSet> = {
@@ -129,7 +130,7 @@ export function AuthFilesPage() {
   const { t } = useTranslation();
   const { showNotification } = useNotificationStore();
   const connectionStatus = useAuthStore((state) => state.connectionStatus);
-  const theme = useThemeStore((state) => state.theme);
+  const resolvedTheme: ResolvedTheme = useThemeStore((state) => state.resolvedTheme);
 
   const [files, setFiles] = useState<AuthFileItem[]>([]);
   const [loading, setLoading] = useState(true);
@@ -488,7 +489,7 @@ export function AuthFilesPage() {
   // 获取类型颜色
   const getTypeColor = (type: string): ThemeColors => {
     const set = TYPE_COLORS[type] || TYPE_COLORS.unknown;
-    return theme === 'dark' && set.dark ? set.dark : set.light;
+    return resolvedTheme === 'dark' && set.dark ? set.dark : set.light;
   };
 
   // OAuth 排除相关方法
@@ -547,7 +548,7 @@ export function AuthFilesPage() {
       {existingTypes.map((type) => {
         const isActive = filter === type;
         const color = type === 'all' ? { bg: 'var(--bg-tertiary)', text: 'var(--text-primary)' } : getTypeColor(type);
-        const activeTextColor = theme === 'dark' ? '#111827' : '#fff';
+        const activeTextColor = resolvedTheme === 'dark' ? '#111827' : '#fff';
         return (
           <button
             key={type}

src/pages/ConfigPage.module.scss

@@ -134,8 +134,8 @@
 
 .editorWrapper {
   width: 100%;
-  flex: 1;
+  flex: 0 0 auto;
-  min-height: 200px;
+  height: 480px;
   border: 1px solid var(--border-color);
   border-radius: $radius-lg;
   overflow: hidden;
@@ -238,3 +238,26 @@
     }
   }
 }
+
+@media (max-height: 820px) {
+  .pageTitle {
+    font-size: 24px;
+    margin-bottom: $spacing-sm;
+  }
+
+  .description {
+    margin-bottom: $spacing-lg;
+  }
+
+  .content {
+    gap: $spacing-md;
+  }
+
+  .configCard {
+    padding: $spacing-md;
+  }
+
+  .editorWrapper {
+    height: 360px;
+  }
+}

src/pages/ConfigPage.tsx

@@ -16,7 +16,7 @@ export function ConfigPage() {
   const { t } = useTranslation();
   const { showNotification } = useNotificationStore();
   const connectionStatus = useAuthStore((state) => state.connectionStatus);
-  const theme = useThemeStore((state) => state.theme);
+  const resolvedTheme = useThemeStore((state) => state.resolvedTheme);
 
   const [content, setContent] = useState('');
   const [loading, setLoading] = useState(true);
@@ -289,7 +289,7 @@ export function ConfigPage() {
               value={content}
               onChange={handleChange}
               extensions={extensions}
-              theme={theme === 'dark' ? 'dark' : 'light'}
+              theme={resolvedTheme}
               editable={!disableControls && !loading}
               placeholder={t('config_management.editor_placeholder')}
               height="100%"

src/pages/LogsPage.module.scss

@@ -161,8 +161,8 @@
   background: var(--bg-secondary);
   border: 1px solid var(--border-color);
   border-radius: $radius-md;
-  flex: 1;
+  flex: 0 0 auto;
-  min-height: 200px;
+  height: 480px;
   overflow: auto;
   position: relative;
   -webkit-overflow-scrolling: touch;
@@ -170,6 +170,13 @@
   overscroll-behavior: contain;
 }
 
+.errorPanel {
+  height: 480px;
+  overflow: auto;
+  -webkit-overflow-scrolling: touch;
+  overscroll-behavior: contain;
+}
+
 .loadMoreBanner {
   position: sticky;
   top: 0;
@@ -371,3 +378,34 @@
   color: var(--text-secondary);
   word-break: break-word;
 }
+
+@media (max-height: 820px) {
+  .pageTitle {
+    font-size: 24px;
+    margin-bottom: $spacing-md;
+  }
+
+  .tabBar {
+    margin-bottom: $spacing-md;
+  }
+
+  .tabItem {
+    padding: 10px 16px;
+  }
+
+  .content {
+    gap: $spacing-md;
+  }
+
+  .logCard {
+    padding: $spacing-md;
+  }
+
+  .logPanel {
+    height: 360px;
+  }
+
+  .errorPanel {
+    height: 360px;
+  }
+}

src/pages/LogsPage.tsx

@@ -14,7 +14,7 @@ import {
   IconTrash2,
   IconX,
 } from '@/components/ui/icons';
-import { useNotificationStore, useAuthStore } from '@/stores';
+import { useAuthStore, useConfigStore, useNotificationStore } from '@/stores';
 import { logsApi } from '@/services/api/logs';
 import { MANAGEMENT_API_PREFIX } from '@/utils/constants';
 import { formatUnixTimestamp } from '@/utils/format';
@@ -361,6 +361,7 @@ export function LogsPage() {
   const { t } = useTranslation();
   const { showNotification } = useNotificationStore();
   const connectionStatus = useAuthStore((state) => state.connectionStatus);
+  const requestLogEnabled = useConfigStore((state) => state.config?.requestLog ?? false);
 
   const [activeTab, setActiveTab] = useState<TabType>('logs');
   const [logState, setLogState] = useState<LogState>({ buffer: [], visibleFrom: 0 });
@@ -372,6 +373,7 @@ export function LogsPage() {
   const [hideManagementLogs, setHideManagementLogs] = useState(false);
   const [errorLogs, setErrorLogs] = useState<ErrorLogItem[]>([]);
   const [loadingErrors, setLoadingErrors] = useState(false);
+  const [errorLogsError, setErrorLogsError] = useState('');
 
   const logViewerRef = useRef<HTMLDivElement | null>(null);
   const pendingScrollToBottomRef = useRef(false);
@@ -488,14 +490,18 @@ export function LogsPage() {
     }
 
     setLoadingErrors(true);
+    setErrorLogsError('');
     try {
       const res = await logsApi.fetchErrorLogs();
       // API 返回 { files: [...] }
       setErrorLogs(Array.isArray(res.files) ? res.files : []);
     } catch (err: unknown) {
       console.error('Failed to load error logs:', err);
-      // 静默失败,不影响主日志显示
       setErrorLogs([]);
+      const message = getErrorMessage(err);
+      setErrorLogsError(
+        message ? `${t('logs.error_logs_load_error')}: ${message}` : t('logs.error_logs_load_error')
+      );
     } finally {
       setLoadingErrors(false);
     }
@@ -525,11 +531,17 @@ export function LogsPage() {
     if (connectionStatus === 'connected') {
       latestTimestampRef.current = 0;
       loadLogs(false);
-      loadErrorLogs();
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [connectionStatus]);
 
+  useEffect(() => {
+    if (activeTab !== 'errors') return;
+    if (connectionStatus !== 'connected') return;
+    void loadErrorLogs();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [activeTab, connectionStatus, requestLogEnabled]);
+
   useEffect(() => {
     if (!autoRefresh || connectionStatus !== 'connected') {
       return;
@@ -877,37 +889,60 @@ export function LogsPage() {
         {activeTab === 'errors' && (
           <Card
             extra={
-              <Button variant="secondary" size="sm" onClick={loadErrorLogs} loading={loadingErrors}>
+              <Button
+                variant="secondary"
+                size="sm"
+                onClick={loadErrorLogs}
+                loading={loadingErrors}
+                disabled={disableControls}
+              >
                 {t('common.refresh')}
               </Button>
             }
           >
-            {errorLogs.length === 0 ? (
+            <div className="stack">
-              <div className="hint">{t('logs.error_logs_empty')}</div>
+              <div className="hint">{t('logs.error_logs_description')}</div>
-            ) : (
+
-              <div className="item-list">
+              {requestLogEnabled && (
-                {errorLogs.map((item) => (
+                <div>
-                  <div key={item.name} className="item-row">
+                  <div className="status-badge warning">{t('logs.error_logs_request_log_enabled')}</div>
-                    <div className="item-meta">
+                </div>
-                      <div className="item-title">{item.name}</div>
+              )}
-                      <div className="item-subtitle">
+
-                        {item.size ? `${(item.size / 1024).toFixed(1)} KB` : ''}{' '}
+              {errorLogsError && <div className="error-box">{errorLogsError}</div>}
-                        {item.modified ? formatUnixTimestamp(item.modified) : ''}
+
+              <div className={styles.errorPanel}>
+                {loadingErrors ? (
+                  <div className="hint">{t('common.loading')}</div>
+                ) : errorLogs.length === 0 ? (
+                  <div className="hint">{t('logs.error_logs_empty')}</div>
+                ) : (
+                  <div className="item-list">
+                    {errorLogs.map((item) => (
+                      <div key={item.name} className="item-row">
+                        <div className="item-meta">
+                          <div className="item-title">{item.name}</div>
+                          <div className="item-subtitle">
+                            {item.size ? `${(item.size / 1024).toFixed(1)} KB` : ''}{' '}
+                            {item.modified ? formatUnixTimestamp(item.modified) : ''}
+                          </div>
+                        </div>
+                        <div className="item-actions">
+                          <Button
+                            variant="secondary"
+                            size="sm"
+                            onClick={() => downloadErrorLog(item.name)}
+                            disabled={disableControls}
+                          >
+                            {t('logs.error_logs_download')}
+                          </Button>
+                        </div>
                       </div>
-                    </div>
+                    ))}
-                    <div className="item-actions">
-                      <Button
-                        variant="secondary"
-                        size="sm"
-                        onClick={() => downloadErrorLog(item.name)}
-                      >
-                        {t('logs.error_logs_download')}
-                      </Button>
-                    </div>
                   </div>
-                ))}
+                )}
               </div>
-            )}
+            </div>
           </Card>
         )}
       </div>

src/pages/OAuthPage.tsx

@@ -54,7 +54,7 @@ const getIcon = (icon: string | { light: string; dark: string }, theme: 'light'
 export function OAuthPage() {
   const { t } = useTranslation();
   const { showNotification } = useNotificationStore();
-  const { theme } = useThemeStore();
+  const resolvedTheme = useThemeStore((state) => state.resolvedTheme);
   const [states, setStates] = useState<Record<OAuthProvider, ProviderState>>({} as Record<OAuthProvider, ProviderState>);
   const [iflowCookie, setIflowCookie] = useState<IFlowCookieState>({ cookie: '', loading: false });
   const timers = useRef<Record<string, number>>({});
@@ -229,7 +229,11 @@ export function OAuthPage() {
               <Card
                 title={
                   <span className={styles.cardTitle}>
-                    <img src={getIcon(provider.icon, theme)} alt="" className={styles.cardTitleIcon} />
+                    <img
+                      src={getIcon(provider.icon, resolvedTheme)}
+                      alt=""
+                      className={styles.cardTitleIcon}
+                    />
                     {t(provider.titleKey)}
                   </span>
                 }

src/pages/UsagePage.tsx

@@ -64,8 +64,8 @@ interface UsagePayload {
 export function UsagePage() {
   const { t } = useTranslation();
   const isMobile = useMediaQuery('(max-width: 768px)');
-  const theme = useThemeStore((state) => state.theme);
+  const resolvedTheme = useThemeStore((state) => state.resolvedTheme);
-  const isDark = theme === 'dark';
+  const isDark = resolvedTheme === 'dark';
 
   const [usage, setUsage] = useState<UsagePayload | null>(null);
   const [loading, setLoading] = useState(true);

src/stores/useThemeStore.ts

@@ -8,63 +8,79 @@ import { persist } from 'zustand/middleware';
 import type { Theme } from '@/types';
 import { STORAGE_KEY_THEME } from '@/utils/constants';
 
+type ResolvedTheme = 'light' | 'dark';
+
 interface ThemeState {
   theme: Theme;
+  resolvedTheme: ResolvedTheme;
   setTheme: (theme: Theme) => void;
-  toggleTheme: () => void;
+  cycleTheme: () => void;
-  initializeTheme: () => void;
+  initializeTheme: () => () => void;
 }
 
+const getSystemTheme = (): ResolvedTheme => {
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    return 'dark';
+  }
+  return 'light';
+};
+
+const applyTheme = (resolved: ResolvedTheme) => {
+  if (resolved === 'dark') {
+    document.documentElement.setAttribute('data-theme', 'dark');
+  } else {
+    document.documentElement.removeAttribute('data-theme');
+  }
+};
+
 export const useThemeStore = create<ThemeState>()(
   persist(
     (set, get) => ({
-      theme: 'light',
+      theme: 'auto',
+      resolvedTheme: 'light',
 
       setTheme: (theme) => {
-        // 应用主题到 DOM
+        const resolved: ResolvedTheme = theme === 'auto' ? getSystemTheme() : theme;
-        if (theme === 'dark') {
+        applyTheme(resolved);
-          document.documentElement.setAttribute('data-theme', 'dark');
+        set({ theme, resolvedTheme: resolved });
-        } else {
-          document.documentElement.removeAttribute('data-theme');
-        }
-
-        set({ theme });
       },
 
-      toggleTheme: () => {
+      cycleTheme: () => {
         const { theme, setTheme } = get();
-        const newTheme: Theme = theme === 'light' ? 'dark' : 'light';
+        const order: Theme[] = ['light', 'dark', 'auto'];
-        setTheme(newTheme);
+        const currentIndex = order.indexOf(theme);
+        const nextTheme = order[(currentIndex + 1) % order.length];
+        setTheme(nextTheme);
       },
 
       initializeTheme: () => {
         const { theme, setTheme } = get();
 
-        // 检查系统偏好
-        if (
-          !localStorage.getItem(STORAGE_KEY_THEME) &&
-          window.matchMedia &&
-          window.matchMedia('(prefers-color-scheme: dark)').matches
-        ) {
-          setTheme('dark');
-          return;
-        }
-
         // 应用已保存的主题
         setTheme(theme);
 
-        // 监听系统主题变化（仅在用户未手动设置时）
+        // 监听系统主题变化（仅在 auto 模式下生效）
-        if (window.matchMedia) {
+        if (!window.matchMedia) {
-          window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
+          return () => {};
-            if (!localStorage.getItem(STORAGE_KEY_THEME)) {
-              setTheme(e.matches ? 'dark' : 'light');
-            }
-          });
         }
-      }
+
+        const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+        const listener = () => {
+          const { theme: currentTheme } = get();
+          if (currentTheme === 'auto') {
+            const resolved = getSystemTheme();
+            applyTheme(resolved);
+            set({ resolvedTheme: resolved });
+          }
+        };
+
+        mediaQuery.addEventListener('change', listener);
+
+        return () => mediaQuery.removeEventListener('change', listener);
+      },
     }),
     {
-      name: STORAGE_KEY_THEME
+      name: STORAGE_KEY_THEME,
     }
   )
 );

src/styles/layout.scss

@@ -331,13 +331,11 @@
 }
 
 .main-content {
-  flex: 1;
+  flex: 0 0 auto;
   padding: $spacing-lg;
   display: flex;
   flex-direction: column;
   gap: $spacing-lg;
-  min-height: 0;
-  overflow-y: auto;
   overflow-x: hidden;
 
   @media (max-width: $breakpoint-mobile) {

src/types/common.ts

@@ -2,7 +2,7 @@
  * 通用类型定义
  */
 
-export type Theme = 'light' | 'dark';
+export type Theme = 'light' | 'dark' | 'auto';
 
 export type Language = 'zh-CN' | 'en';