diff --git a/README.md b/README.md
index 91388b3..6fee402 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ services:
     restart: on-failure
     ports:
       - '3000:3000'
+      - '3001:3001'
     environment:
       - USERNAME=admin
       - PASSWORD=orange
@@ -111,6 +112,7 @@ services:
     restart: on-failure
     ports:
       - '3000:3000'
+      - '3001:3001'
     environment:
       - USERNAME=admin
       - PASSWORD=orange
@@ -147,6 +149,7 @@ services:
     restart: on-failure
     ports:
       - '3000:3000'
+      - '3001:3001'
     environment:
       - USERNAME=admin
       - PASSWORD=orange
diff --git a/src/app/api/admin/config/route.ts b/src/app/api/admin/config/route.ts
index 7544700..846bab7 100644
--- a/src/app/api/admin/config/route.ts
+++ b/src/app/api/admin/config/route.ts
@@ -20,41 +20,74 @@ export async function GET(request: NextRequest) {
   }
 
   const authInfo = getAuthInfoFromCookie(request);
-  if (!authInfo || !authInfo.username) {
-    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
-  }
-  const username = authInfo.username;
+  const username = authInfo?.username;
 
   try {
     const config = await getConfig();
-    const result: AdminConfigResult = {
-      Role: 'owner',
-      Config: config,
-    };
+
+    // 检查用户权限
+    let userRole = 'guest'; // 未登录用户为 guest
+    let isAdmin = false;
+
     if (username === process.env.USERNAME) {
-      result.Role = 'owner';
-    } else {
+      userRole = 'owner';
+      isAdmin = true;
+    } else if (username) {
       const user = config.UserConfig.Users.find((u) => u.username === username);
       if (user && user.role === 'admin' && !user.banned) {
-        result.Role = 'admin';
+        userRole = 'admin';
+        isAdmin = true;
+      } else if (user && !user.banned) {
+        userRole = 'user';
+      } else if (user && user.banned) {
+        userRole = 'banned';
       } else {
-        return NextResponse.json(
-          { error: '你是管理员吗你就访问？' },
-          { status: 401 }
-        );
+        // 认证了但用户不存在，可能是数据不同步
+        userRole = 'unknown';
       }
     }
 
-    return NextResponse.json(result, {
-      headers: {
-        'Cache-Control': 'no-store', // 管理员配置不缓存
-      },
-    });
+    // 根据用户权限返回不同的配置信息
+    if (isAdmin) {
+      // 管理员返回完整配置
+      const result: AdminConfigResult = {
+        Role: userRole as 'admin' | 'owner',
+        Config: config,
+      };
+
+      return NextResponse.json(result, {
+        headers: {
+          'Cache-Control': 'no-store', // 管理员配置不缓存
+        },
+      });
+    } else {
+      // 普通用户或未登录用户只返回公开配置
+      const publicConfig = {
+        ThemeConfig: config.ThemeConfig,
+        SiteConfig: {
+          SiteName: config.SiteConfig.SiteName,
+          Announcement: config.SiteConfig.Announcement,
+          // 其他公开的站点配置可以在这里添加
+        }
+      };
+
+      const result = {
+        Role: userRole,
+        Config: publicConfig,
+      };
+
+      console.log('返回公开配置给', userRole, '，包含主题配置:', !!publicConfig.ThemeConfig);
+      return NextResponse.json(result, {
+        headers: {
+          'Cache-Control': 'public, max-age=60', // 公开配置可以缓存1分钟
+        },
+      });
+    }
   } catch (error) {
-    console.error('获取管理员配置失败:', error);
+    console.error('获取配置失败:', error);
     return NextResponse.json(
       {
-        error: '获取管理员配置失败',
+        error: '获取配置失败',
         details: (error as Error).message,
       },
       { status: 500 }
diff --git a/src/app/api/admin/theme/route.ts b/src/app/api/admin/theme/route.ts
index 5130bfa..28b3a6c 100644
--- a/src/app/api/admin/theme/route.ts
+++ b/src/app/api/admin/theme/route.ts
@@ -3,6 +3,7 @@ import { getAuthInfoFromCookie } from '@/lib/auth';
 import { db } from '@/lib/db';
 import { AdminConfig } from '@/lib/admin.types';
 import { headers, cookies } from 'next/headers';
+import { getConfig, setCachedConfig, clearCachedConfig } from '@/lib/config';
 
 export async function GET() {
   try {
@@ -22,12 +23,8 @@ export async function GET() {
       return NextResponse.json({ error: '认证信息无效' }, { status: 401 });
     }
 
-    const config = await db.getAdminConfig();
-    const themeConfig = config?.ThemeConfig || {
-      defaultTheme: 'default' as const,
-      customCSS: '',
-      allowUserCustomization: true,
-    };
+    const config = await getConfig();
+    const themeConfig = config.ThemeConfig;
 
     return NextResponse.json({
       success: true,
@@ -75,40 +72,7 @@ export async function POST(request: Request) {
     }
 
     // 获取当前配置
-    const currentConfig = await db.getAdminConfig();
-
-    // 如果没有配置，创建一个基础配置
-    let baseConfig: AdminConfig;
-    if (!currentConfig) {
-      baseConfig = {
-        ConfigSubscribtion: {
-          URL: "",
-          AutoUpdate: false,
-          LastCheck: "",
-        },
-        ConfigFile: "",
-        SiteConfig: {
-          SiteName: "OrangeTV",
-          Announcement: "",
-          SearchDownstreamMaxPage: 10,
-          SiteInterfaceCacheTime: 30,
-          DoubanProxyType: "direct",
-          DoubanProxy: "",
-          DoubanImageProxyType: "direct",
-          DoubanImageProxy: "",
-          DisableYellowFilter: false,
-          FluidSearch: true,
-          RequireDeviceCode: false,
-        },
-        UserConfig: {
-          Users: [],
-        },
-        SourceConfig: [],
-        CustomCategories: [],
-      };
-    } else {
-      baseConfig = currentConfig;
-    }
+    const baseConfig = await getConfig();
 
     // 更新主题配置
     const updatedConfig: AdminConfig = {
@@ -120,10 +84,23 @@ export async function POST(request: Request) {
       },
     };
 
-    console.log('保存主题配置:', updatedConfig.ThemeConfig);
+    console.log('=== 保存主题配置 ===');
+    console.log('请求参数:', { defaultTheme, customCSS, allowUserCustomization });
+    console.log('当前存储类型:', process.env.NEXT_PUBLIC_STORAGE_TYPE || 'localstorage');
+    console.log('待保存配置:', updatedConfig.ThemeConfig);
+    console.log('完整配置对象:', JSON.stringify(updatedConfig, null, 2));
+
     await db.saveAdminConfig(updatedConfig);
     console.log('主题配置保存成功');
 
+    // 直接更新缓存，确保缓存与数据库同步
+    await setCachedConfig(updatedConfig);
+    console.log('已更新配置缓存');
+
+    // 立即验证缓存中的配置
+    const cachedConfig = await getConfig();
+    console.log('保存后验证缓存中的配置:', cachedConfig.ThemeConfig);
+
     return NextResponse.json({
       success: true,
       message: '主题配置已更新',
diff --git a/src/app/api/theme/route.ts b/src/app/api/theme/route.ts
deleted file mode 100644
index ff47fe5..0000000
--- a/src/app/api/theme/route.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { NextResponse } from 'next/server';
-import { db } from '@/lib/db';
-
-export async function GET() {
-  try {
-    console.log('API /theme: 开始获取主题配置...');
-    const config = await db.getAdminConfig();
-
-    console.log('API /theme: 获取到的管理员配置:', {
-      hasConfig: !!config,
-      hasThemeConfig: !!(config?.ThemeConfig),
-      themeConfig: config?.ThemeConfig
-    });
-
-    const themeConfig = config?.ThemeConfig || {
-      defaultTheme: 'default' as const,
-      customCSS: '',
-      allowUserCustomization: true,
-    };
-
-    console.log('API /theme: 最终返回的主题配置:', themeConfig);
-
-    return NextResponse.json({
-      success: true,
-      data: themeConfig,
-    });
-  } catch (error) {
-    console.error('API /theme: 获取主题配置失败，返回默认配置:', error);
-
-    const defaultThemeConfig = {
-      defaultTheme: 'default' as const,
-      customCSS: '',
-      allowUserCustomization: true,
-    };
-
-    return NextResponse.json(
-      {
-        success: true, // 改为 success: true，因为我们提供了有效的默认配置
-        data: defaultThemeConfig,
-        fallback: true, // 标记这是备用配置
-        error: error instanceof Error ? error.message : '未知错误'
-      },
-      { status: 200 }
-    );
-  }
-}
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 455031f..5ed01a7 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -6,7 +6,6 @@ import { Inter } from 'next/font/google';
 import './globals.css';
 
 import { getConfig } from '@/lib/config';
-import { db } from '@/lib/db';
 
 import { GlobalErrorIndicator } from '../components/GlobalErrorIndicator';
 import { SiteProvider } from '../components/SiteProvider';
@@ -44,33 +43,6 @@ export default async function RootLayout({
 }) {
   const storageType = process.env.NEXT_PUBLIC_STORAGE_TYPE || 'localstorage';
 
-  // 预先获取主题配置
-  let themeConfig = {
-    defaultTheme: 'default',
-    customCSS: '',
-    allowUserCustomization: true
-  };
-
-  try {
-    if (storageType !== 'localstorage') {
-      const adminConfig = await db.getAdminConfig();
-      if (adminConfig?.ThemeConfig) {
-        themeConfig = {
-          defaultTheme: adminConfig.ThemeConfig.defaultTheme || 'default',
-          customCSS: adminConfig.ThemeConfig.customCSS || '',
-          allowUserCustomization: adminConfig.ThemeConfig.allowUserCustomization !== false,
-        };
-        console.log('服务端获取主题配置成功:', themeConfig);
-      } else {
-        console.log('服务端配置中没有主题配置，使用默认配置');
-      }
-    } else {
-      console.log('LocalStorage模式，使用默认主题配置');
-    }
-  } catch (error) {
-    console.error('服务端获取主题配置失败，使用默认配置:', error);
-  }
-
   let siteName = process.env.NEXT_PUBLIC_SITE_NAME || 'OrangeTV';
   let announcement =
     process.env.ANNOUNCEMENT ||
@@ -122,7 +94,6 @@ export default async function RootLayout({
     CUSTOM_CATEGORIES: customCategories,
     FLUID_SEARCH: fluidSearch,
     REQUIRE_DEVICE_CODE: requireDeviceCode,
-    THEME_CONFIG: themeConfig,
   };
 
   return (
@@ -141,84 +112,59 @@ export default async function RootLayout({
           }}
         />
 
-        {/* 主题初始化脚本 - 内联执行，确保在生产环境中立即应用主题 */}
+        {/* 立即从缓存应用主题，避免闪烁 */}
         {/* eslint-disable-next-line @next/next/no-sync-scripts */}
         <script
           dangerouslySetInnerHTML={{
             __html: `
               (function() {
                 try {
-                  console.log('开始初始化主题...');
+                  // 从localStorage立即获取缓存的主题配置
+                  const cachedTheme = localStorage.getItem('theme-cache');
                   
-                  // 应用主题函数
-                  function applyTheme(themeId, css) {
+                  if (cachedTheme) {
                     try {
+                      const themeConfig = JSON.parse(cachedTheme);
+                      console.log('应用缓存主题配置:', themeConfig);
+                      
+                      // 立即应用缓存的主题，避免闪烁
                       const html = document.documentElement;
                       
-                      // 移除所有主题属性
+                      // 清除现有主题
                       html.removeAttribute('data-theme');
                       
-                      // 应用主题
-                      if (themeId && themeId !== 'default') {
-                        html.setAttribute('data-theme', themeId);
+                      // 应用缓存的主题
+                      if (themeConfig.defaultTheme && themeConfig.defaultTheme !== 'default') {
+                        html.setAttribute('data-theme', themeConfig.defaultTheme);
                       }
                       
-                      // 应用自定义CSS
-                      if (css) {
+                      // 应用缓存的自定义CSS
+                      if (themeConfig.customCSS) {
                         let customStyleEl = document.getElementById('custom-theme-css');
                         if (!customStyleEl) {
                           customStyleEl = document.createElement('style');
                           customStyleEl.id = 'custom-theme-css';
                           document.head.appendChild(customStyleEl);
                         }
-                        customStyleEl.textContent = css;
+                        customStyleEl.textContent = themeConfig.customCSS;
                       }
-                      return true;
-                    } catch (e) {
-                      console.error('应用主题失败:', e);
-                      return false;
+                      
+                      console.log('缓存主题已应用:', themeConfig.defaultTheme);
+                    } catch (parseError) {
+                      console.warn('解析缓存主题配置失败:', parseError);
+                      localStorage.removeItem('theme-cache'); // 清除无效缓存
                     }
-                  }
-                  
-                  // 获取预设的主题配置
-                  let themeConfig = {
-                    defaultTheme: 'default',
-                    customCSS: ''
-                  };
-                  
-                  try {
-                    if (window.RUNTIME_CONFIG && window.RUNTIME_CONFIG.THEME_CONFIG) {
-                      themeConfig = window.RUNTIME_CONFIG.THEME_CONFIG;
-                      console.log('使用服务端主题配置:', themeConfig);
-                    } else {
-                      console.log('未找到服务端主题配置，使用默认配置');
-                    }
-                  } catch (e) {
-                    console.warn('获取服务端主题配置失败:', e);
-                  }
-                  
-                  // 立即应用主题配置
-                  const success = applyTheme(themeConfig.defaultTheme, themeConfig.customCSS);
-                  if (success) {
-                    console.log('主题已初始化:', themeConfig.defaultTheme);
                   } else {
-                    console.log('主题初始化失败，将等待客户端重新加载');
+                    console.log('未找到缓存主题，等待API获取');
                   }
-                  
                 } catch (error) {
-                  console.error('主题初始化过程失败:', error);
-                  // 最终备用方案：确保HTML至少没有错误的主题属性
-                  try {
-                    document.documentElement.removeAttribute('data-theme');
-                    console.log('已清除主题属性作为备用方案');
-                  } catch (e) {
-                    console.error('连备用方案也失败了:', e);
-                  }
+                  console.error('应用缓存主题失败:', error);
                 }
               })();
             `,
           }}
         />
+
       </head>
       <body
         className={`${inter.className} min-h-screen bg-white text-gray-900 dark:bg-black dark:text-gray-200`}
diff --git a/src/components/GlobalThemeLoader.tsx b/src/components/GlobalThemeLoader.tsx
index aba0422..17e051e 100644
--- a/src/components/GlobalThemeLoader.tsx
+++ b/src/components/GlobalThemeLoader.tsx
@@ -2,90 +2,98 @@
 
 import { useEffect } from 'react';
 
-// 全局主题加载器组件 - 确保主题配置始终正确，优先信任服务端配置
+// 全局主题加载器组件 - 从API同步最新配置，确保缓存与服务端一致
 const GlobalThemeLoader = () => {
   useEffect(() => {
-    const validateAndSyncTheme = async () => {
+    const syncThemeWithAPI = async () => {
       try {
-        // 检查服务端预设的配置
-        const runtimeConfig = (window as any).RUNTIME_CONFIG;
-        const serverThemeConfig = runtimeConfig?.THEME_CONFIG;
-
-        console.log('检查服务端预设主题配置:', serverThemeConfig);
-
-        if (serverThemeConfig && serverThemeConfig.defaultTheme !== 'default') {
-          // 服务端有非默认配置，优先使用服务端配置
-          console.log('使用服务端主题配置，跳过API检查:', serverThemeConfig);
-
-          // 确保服务端配置已正确应用到DOM
-          const html = document.documentElement;
-          const currentTheme = html.getAttribute('data-theme');
-
-          if (currentTheme !== serverThemeConfig.defaultTheme) {
-            console.log('DOM主题与服务端配置不一致，重新应用:', {
-              current: currentTheme,
-              expected: serverThemeConfig.defaultTheme
-            });
-            applyTheme(serverThemeConfig.defaultTheme, serverThemeConfig.customCSS || '');
-          } else {
-            console.log('服务端主题配置已正确应用，无需更新');
-          }
-          return;
-        }
-
-        // 只有当服务端配置为默认值时，才从API获取配置
-        console.log('服务端为默认配置，从API获取最新配置...');
-        const response = await fetch('/api/theme');
+        console.log('从API同步主题配置...');
+        const response = await fetch('/api/admin/config');
         const result = await response.json();
 
-        if (result.success && result.data) {
-          const { defaultTheme, customCSS } = result.data;
-          const isFallback = result.fallback;
+        if (result?.Config?.ThemeConfig) {
+          const themeConfig = result.Config.ThemeConfig;
+          const { defaultTheme, customCSS, allowUserCustomization } = themeConfig;
 
-          console.log('从API获取到主题配置:', {
+          console.log('API返回主题配置:', {
             defaultTheme,
             customCSS,
-            isFallback: !!isFallback,
-            error: result.error
+            allowUserCustomization
           });
 
-          if (isFallback) {
-            console.log('API返回备用配置，保持服务端设置不变');
-            return;
+          // 获取当前缓存的主题配置
+          const cachedTheme = getCachedTheme();
+
+          // 比较API配置与缓存配置
+          const configChanged = !cachedTheme ||
+            cachedTheme.defaultTheme !== defaultTheme ||
+            cachedTheme.customCSS !== customCSS;
+
+          if (configChanged) {
+            console.log('检测到主题配置变更，更新应用:', {
+              from: cachedTheme,
+              to: { defaultTheme, customCSS }
+            });
+            applyAndCacheTheme(defaultTheme, customCSS);
+          } else {
+            console.log('主题配置无变化，保持当前设置');
           }
 
-          // 只有API返回非默认配置且非备用配置时才应用
-          if (defaultTheme !== 'default' || customCSS) {
-            console.log('应用API获取的有效主题配置:', { defaultTheme, customCSS });
-            applyTheme(defaultTheme, customCSS);
-
-            // 更新运行时配置
-            if (runtimeConfig) {
-              runtimeConfig.THEME_CONFIG = { defaultTheme, customCSS, allowUserCustomization: true };
-            }
-          } else {
-            console.log('API返回默认配置，保持当前状态');
+          // 将配置存储到运行时配置中，供ThemeManager使用
+          const runtimeConfig = (window as any).RUNTIME_CONFIG;
+          if (runtimeConfig) {
+            runtimeConfig.THEME_CONFIG = themeConfig;
           }
         } else {
-          console.log('API获取失败，保持当前主题配置');
+          console.log('无法获取主题配置，使用默认配置:', result);
+          // API失败时，如果有缓存就保持，没有缓存就用默认
+          const cachedTheme = getCachedTheme();
+          if (!cachedTheme) {
+            console.log('无缓存，应用默认主题');
+            applyAndCacheTheme('default', '');
+          } else {
+            console.log('保持缓存主题:', cachedTheme);
+          }
         }
       } catch (error) {
-        console.error('主题配置验证失败:', error);
-
-        // 出错时优先使用服务端配置
-        const runtimeConfig = (window as any).RUNTIME_CONFIG;
-        const serverThemeConfig = runtimeConfig?.THEME_CONFIG;
-
-        if (serverThemeConfig) {
-          console.log('错误恢复：使用服务端配置:', serverThemeConfig);
-          applyTheme(serverThemeConfig.defaultTheme, serverThemeConfig.customCSS || '');
+        console.error('API同步失败:', error);
+        // 错误时如果有缓存就保持，没有缓存就用默认
+        const cachedTheme = getCachedTheme();
+        if (!cachedTheme) {
+          console.log('无缓存且请求失败，应用默认主题');
+          applyAndCacheTheme('default', '');
         } else {
-          console.log('错误恢复：使用默认主题');
-          applyTheme('default', '');
+          console.log('请求失败，保持缓存主题:', cachedTheme);
         }
       }
     };
 
+    // 获取缓存的主题配置
+    const getCachedTheme = () => {
+      try {
+        const cached = localStorage.getItem('theme-cache');
+        return cached ? JSON.parse(cached) : null;
+      } catch (error) {
+        console.warn('读取主题缓存失败:', error);
+        localStorage.removeItem('theme-cache');
+        return null;
+      }
+    };
+
+    // 应用主题并缓存
+    const applyAndCacheTheme = (themeId: string, css: string = '') => {
+      applyTheme(themeId, css);
+
+      // 缓存主题配置
+      const themeConfig = { defaultTheme: themeId, customCSS: css };
+      try {
+        localStorage.setItem('theme-cache', JSON.stringify(themeConfig));
+        console.log('主题配置已缓存:', themeConfig);
+      } catch (error) {
+        console.warn('缓存主题配置失败:', error);
+      }
+    };
+
     // 应用主题函数
     const applyTheme = (themeId: string, css: string = '') => {
       const html = document.documentElement;
@@ -108,9 +116,9 @@ const GlobalThemeLoader = () => {
       customStyleEl.textContent = css;
     };
 
-    // 稍作延迟，确保DOM完全加载后再验证主题
+    // 延迟一点时间，确保页面缓存主题已应用，然后同步API配置
     const timer = setTimeout(() => {
-      validateAndSyncTheme();
+      syncThemeWithAPI();
     }, 100);
 
     return () => clearTimeout(timer);
diff --git a/src/components/ThemeManager.tsx b/src/components/ThemeManager.tsx
index be7e575..25483e9 100644
--- a/src/components/ThemeManager.tsx
+++ b/src/components/ThemeManager.tsx
@@ -277,32 +277,44 @@ const ThemeManager = ({ showAlert, role }: ThemeManagerProps) => {
 
   const isAdmin = role === 'admin' || role === 'owner';
 
-  // 加载全局主题配置
+  // 更新主题缓存的辅助函数
+  const updateThemeCache = (themeId: string, css: string) => {
+    try {
+      const themeConfig = {
+        defaultTheme: themeId,
+        customCSS: css
+      };
+      localStorage.setItem('theme-cache', JSON.stringify(themeConfig));
+      console.log('主题配置已缓存:', themeConfig);
+    } catch (error) {
+      console.warn('缓存主题配置失败:', error);
+    }
+  };
+
+  // 从API加载主题配置（唯一数据源）
   const loadGlobalThemeConfig = async () => {
     try {
-      // 优先使用运行时配置中的主题配置
-      const runtimeConfig = (window as any).RUNTIME_CONFIG;
-      const serverThemeConfig = runtimeConfig?.THEME_CONFIG;
-
-      if (serverThemeConfig) {
-        console.log('使用服务端预设的主题配置:', serverThemeConfig);
-        setGlobalThemeConfig(serverThemeConfig);
-        return serverThemeConfig;
-      }
-
-      // 如果没有服务端配置，则从API获取
-      console.log('服务端无主题配置，从API获取...');
-      const response = await fetch('/api/theme');
+      console.log('从API获取主题配置...');
+      const response = await fetch('/api/admin/config');
       const result = await response.json();
-      if (result.success) {
-        if (result.fallback) {
-          console.log('API返回备用配置，可能存在数据库访问问题');
+
+      if (result?.Config?.ThemeConfig) {
+        const themeConfig = result.Config.ThemeConfig;
+        console.log('API返回的主题配置:', themeConfig);
+        setGlobalThemeConfig(themeConfig);
+
+        // 更新运行时配置，保持同步
+        const runtimeConfig = (window as any).RUNTIME_CONFIG;
+        if (runtimeConfig) {
+          runtimeConfig.THEME_CONFIG = themeConfig;
         }
-        setGlobalThemeConfig(result.data);
-        return result.data;
+
+        return themeConfig;
+      } else {
+        console.log('无法获取主题配置，可能未登录或权限不足:', result);
       }
     } catch (error) {
-      console.error('加载全局主题配置失败:', error);
+      console.error('从API加载主题配置失败:', error);
     }
     return null;
   };
@@ -332,6 +344,10 @@ const ThemeManager = ({ showAlert, role }: ThemeManagerProps) => {
 
         // 立即应用新的主题配置，确保当前页面也能看到更改
         applyTheme(result.data.defaultTheme, result.data.customCSS);
+
+        // 更新本地缓存
+        updateThemeCache(result.data.defaultTheme, result.data.customCSS);
+
         console.log('已立即应用新主题配置:', result.data.defaultTheme);
 
         showAlert({
@@ -517,6 +533,9 @@ const ThemeManager = ({ showAlert, role }: ThemeManagerProps) => {
           allowUserCustomization: globalThemeConfig?.allowUserCustomization ?? true,
         };
       }
+
+      // 更新本地缓存
+      updateThemeCache(currentTheme, '');
     }
 
     showAlert({
diff --git a/src/lib/config.ts b/src/lib/config.ts
index 941678c..43e9119 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -379,6 +379,15 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
     adminConfig.SiteConfig.RequireDeviceCode = process.env.NEXT_PUBLIC_REQUIRE_DEVICE_CODE !== 'false';
   }
 
+  // 确保 ThemeConfig 存在
+  if (!adminConfig.ThemeConfig) {
+    adminConfig.ThemeConfig = {
+      defaultTheme: 'default',
+      customCSS: '',
+      allowUserCustomization: true,
+    };
+  }
+
   // 站长变更自检
   const ownerUser = process.env.USERNAME;
 
@@ -516,4 +525,8 @@ export async function getAvailableApiSites(user?: string): Promise<ApiSite[]> {
 
 export async function setCachedConfig(config: AdminConfig) {
   cachedConfig = config;
+}
+
+export function clearCachedConfig() {
+  cachedConfig = undefined as any;
 }
\ No newline at end of file
diff --git a/src/lib/upstash.db.ts b/src/lib/upstash.db.ts
index d715865..78c80ea 100644
--- a/src/lib/upstash.db.ts
+++ b/src/lib/upstash.db.ts
@@ -72,7 +72,14 @@ export class UpstashRedisStorage implements IStorage {
     const val = await withRetry(() =>
       this.client.get(this.prKey(userName, key))
     );
-    return val ? (val as PlayRecord) : null;
+    if (!val) return null;
+
+    try {
+      return typeof val === 'string' ? JSON.parse(val) : val as PlayRecord;
+    } catch (error) {
+      console.error('解析播放记录失败:', error);
+      return null;
+    }
   }
 
   async setPlayRecord(
@@ -80,7 +87,7 @@ export class UpstashRedisStorage implements IStorage {
     key: string,
     record: PlayRecord
   ): Promise<void> {
-    await withRetry(() => this.client.set(this.prKey(userName, key), record));
+    await withRetry(() => this.client.set(this.prKey(userName, key), JSON.stringify(record)));
   }
 
   async getAllPlayRecords(
@@ -94,9 +101,14 @@ export class UpstashRedisStorage implements IStorage {
     for (const fullKey of keys) {
       const value = await withRetry(() => this.client.get(fullKey));
       if (value) {
-        // 截取 source+id 部分
-        const keyPart = ensureString(fullKey.replace(`u:${userName}:pr:`, ''));
-        result[keyPart] = value as PlayRecord;
+        try {
+          // 截取 source+id 部分
+          const keyPart = ensureString(fullKey.replace(`u:${userName}:pr:`, ''));
+          const record = typeof value === 'string' ? JSON.parse(value) : value as PlayRecord;
+          result[keyPart] = record;
+        } catch (error) {
+          console.error('解析播放记录失败:', error, 'key:', fullKey);
+        }
       }
     }
     return result;
@@ -115,7 +127,14 @@ export class UpstashRedisStorage implements IStorage {
     const val = await withRetry(() =>
       this.client.get(this.favKey(userName, key))
     );
-    return val ? (val as Favorite) : null;
+    if (!val) return null;
+
+    try {
+      return typeof val === 'string' ? JSON.parse(val) : val as Favorite;
+    } catch (error) {
+      console.error('解析收藏失败:', error);
+      return null;
+    }
   }
 
   async setFavorite(
@@ -124,7 +143,7 @@ export class UpstashRedisStorage implements IStorage {
     favorite: Favorite
   ): Promise<void> {
     await withRetry(() =>
-      this.client.set(this.favKey(userName, key), favorite)
+      this.client.set(this.favKey(userName, key), JSON.stringify(favorite))
     );
   }
 
@@ -137,8 +156,13 @@ export class UpstashRedisStorage implements IStorage {
     for (const fullKey of keys) {
       const value = await withRetry(() => this.client.get(fullKey));
       if (value) {
-        const keyPart = ensureString(fullKey.replace(`u:${userName}:fav:`, ''));
-        result[keyPart] = value as Favorite;
+        try {
+          const keyPart = ensureString(fullKey.replace(`u:${userName}:fav:`, ''));
+          const favorite = typeof value === 'string' ? JSON.parse(value) : value as Favorite;
+          result[keyPart] = favorite;
+        } catch (error) {
+          console.error('解析收藏失败:', error, 'key:', fullKey);
+        }
       }
     }
     return result;
@@ -270,11 +294,24 @@ export class UpstashRedisStorage implements IStorage {
 
   async getAdminConfig(): Promise<AdminConfig | null> {
     const val = await withRetry(() => this.client.get(this.adminConfigKey()));
-    return val ? (val as AdminConfig) : null;
+    if (!val) return null;
+
+    try {
+      // 尝试解析JSON字符串（兼容BaseRedisStorage格式）
+      if (typeof val === 'string') {
+        return JSON.parse(val) as AdminConfig;
+      }
+      // 如果已经是对象，直接返回（Upstash自动反序列化的情况）
+      return val as AdminConfig;
+    } catch (error) {
+      console.error('解析管理员配置失败:', error);
+      return null;
+    }
   }
 
   async setAdminConfig(config: AdminConfig): Promise<void> {
-    await withRetry(() => this.client.set(this.adminConfigKey(), config));
+    // 统一使用JSON字符串格式存储，与BaseRedisStorage保持一致
+    await withRetry(() => this.client.set(this.adminConfigKey(), JSON.stringify(config)));
   }
 
   // ---------- 跳过片头片尾配置 ----------
@@ -290,7 +327,14 @@ export class UpstashRedisStorage implements IStorage {
     const val = await withRetry(() =>
       this.client.get(this.skipConfigKey(userName, source, id))
     );
-    return val ? (val as SkipConfig) : null;
+    if (!val) return null;
+
+    try {
+      return typeof val === 'string' ? JSON.parse(val) : val as SkipConfig;
+    } catch (error) {
+      console.error('解析跳过配置失败:', error);
+      return null;
+    }
   }
 
   async setSkipConfig(
@@ -300,7 +344,7 @@ export class UpstashRedisStorage implements IStorage {
     config: SkipConfig
   ): Promise<void> {
     await withRetry(() =>
-      this.client.set(this.skipConfigKey(userName, source, id), config)
+      this.client.set(this.skipConfigKey(userName, source, id), JSON.stringify(config))
     );
   }
 
@@ -332,11 +376,16 @@ export class UpstashRedisStorage implements IStorage {
     keys.forEach((key, index) => {
       const value = values[index];
       if (value) {
-        // 从key中提取source+id
-        const match = key.match(/^u:.+?:skip:(.+)$/);
-        if (match) {
-          const sourceAndId = match[1];
-          configs[sourceAndId] = value as SkipConfig;
+        try {
+          // 从key中提取source+id
+          const match = key.match(/^u:.+?:skip:(.+)$/);
+          if (match) {
+            const sourceAndId = match[1];
+            const config = typeof value === 'string' ? JSON.parse(value) : value as SkipConfig;
+            configs[sourceAndId] = config;
+          }
+        } catch (error) {
+          console.error('解析跳过配置失败:', error, 'key:', key);
         }
       }
     });
@@ -373,7 +422,16 @@ export class UpstashRedisStorage implements IStorage {
 
   async getDanmu(videoId: string): Promise<any[]> {
     const val = await withRetry(() => this.client.lrange(this.danmuKey(videoId), 0, -1));
-    return val ? val.map(item => JSON.parse(ensureString(item))) : [];
+    if (!val || !Array.isArray(val)) return [];
+
+    return val.map(item => {
+      try {
+        return typeof item === 'string' ? JSON.parse(item) : item;
+      } catch (error) {
+        console.error('解析弹幕数据失败:', error);
+        return null;
+      }
+    }).filter(item => item !== null);
   }
 
   async saveDanmu(videoId: string, userName: string, danmu: {
@@ -425,9 +483,11 @@ export class UpstashRedisStorage implements IStorage {
     if (!val) return null;
 
     try {
-      const data = JSON.parse(ensureString(val));
+      // 处理不同的序列化格式
+      const data = typeof val === 'string' ? JSON.parse(val) : val;
       return data.machineCode || null;
-    } catch {
+    } catch (error) {
+      console.error('解析用户机器码失败:', error);
       return null;
     }
   }
@@ -439,7 +499,7 @@ export class UpstashRedisStorage implements IStorage {
       bindTime: Date.now()
     };
 
-    // 保存用户的机器码
+    // 保存用户的机器码 - 统一使用JSON序列化
     await withRetry(() =>
       this.client.set(this.machineCodeKey(userName), JSON.stringify(data))
     );
@@ -481,10 +541,11 @@ export class UpstashRedisStorage implements IStorage {
 
         if (val) {
           try {
-            const data = JSON.parse(ensureString(val));
+            // 处理不同的序列化格式
+            const data = typeof val === 'string' ? JSON.parse(val) : val;
             result[userName] = data;
-          } catch {
-            // 忽略解析错误
+          } catch (error) {
+            console.error('解析机器码用户数据失败:', error, 'key:', key);
           }
         }
       }
@@ -536,9 +597,9 @@ export class UpstashRedisStorage implements IStorage {
 
   // 消息管理
   async saveMessage(message: ChatMessage): Promise<void> {
-    // 保存消息详情
+    // 保存消息详情 - 使用JSON序列化
     await withRetry(() =>
-      this.client.set(this.messageKey(message.id), message)
+      this.client.set(this.messageKey(message.id), JSON.stringify(message))
     );
 
     // 将消息ID添加到对话的消息列表中（按时间排序）
@@ -560,7 +621,12 @@ export class UpstashRedisStorage implements IStorage {
     for (const messageId of messageIds) {
       const messageData = await withRetry(() => this.client.get(this.messageKey(messageId as string)));
       if (messageData) {
-        messages.push(messageData as ChatMessage);
+        try {
+          const message = typeof messageData === 'string' ? JSON.parse(messageData) : messageData;
+          messages.push(message as ChatMessage);
+        } catch (error) {
+          console.error('解析消息失败:', error);
+        }
       }
     }
 
@@ -570,11 +636,15 @@ export class UpstashRedisStorage implements IStorage {
   async markMessageAsRead(messageId: string): Promise<void> {
     const messageData = await withRetry(() => this.client.get(this.messageKey(messageId)));
     if (messageData) {
-      const message = messageData as ChatMessage;
-      message.is_read = true;
-      await withRetry(() =>
-        this.client.set(this.messageKey(messageId), message)
-      );
+      try {
+        const message = typeof messageData === 'string' ? JSON.parse(messageData) : messageData as ChatMessage;
+        message.is_read = true;
+        await withRetry(() =>
+          this.client.set(this.messageKey(messageId), JSON.stringify(message))
+        );
+      } catch (error) {
+        console.error('标记消息为已读失败:', error);
+      }
     }
   }
 
@@ -601,13 +671,20 @@ export class UpstashRedisStorage implements IStorage {
       this.client.get(this.conversationKey(conversationId))
     );
 
-    return conversationData ? (conversationData as Conversation) : null;
+    if (!conversationData) return null;
+
+    try {
+      return typeof conversationData === 'string' ? JSON.parse(conversationData) : conversationData as Conversation;
+    } catch (error) {
+      console.error('解析对话失败:', error);
+      return null;
+    }
   }
 
   async createConversation(conversation: Conversation): Promise<void> {
-    // 保存对话详情
+    // 保存对话详情 - 使用JSON序列化
     await withRetry(() =>
-      this.client.set(this.conversationKey(conversation.id), conversation)
+      this.client.set(this.conversationKey(conversation.id), JSON.stringify(conversation))
     );
 
     // 将对话ID添加到每个参与者的对话列表中
@@ -623,7 +700,7 @@ export class UpstashRedisStorage implements IStorage {
     if (conversation) {
       Object.assign(conversation, updates);
       await withRetry(() =>
-        this.client.set(this.conversationKey(conversationId), conversation)
+        this.client.set(this.conversationKey(conversationId), JSON.stringify(conversation))
       );
     }
   }
@@ -656,7 +733,12 @@ export class UpstashRedisStorage implements IStorage {
     for (const friendId of friendIds) {
       const friendData = await withRetry(() => this.client.get(this.friendKey(friendId)));
       if (friendData) {
-        friends.push(friendData as Friend);
+        try {
+          const friend = typeof friendData === 'string' ? JSON.parse(friendData) : friendData;
+          friends.push(friend as Friend);
+        } catch (error) {
+          console.error('解析好友数据失败:', error);
+        }
       }
     }
 
@@ -664,9 +746,9 @@ export class UpstashRedisStorage implements IStorage {
   }
 
   async addFriend(userName: string, friend: Friend): Promise<void> {
-    // 保存好友详情
+    // 保存好友详情 - 使用JSON序列化
     await withRetry(() =>
-      this.client.set(this.friendKey(friend.id), friend)
+      this.client.set(this.friendKey(friend.id), JSON.stringify(friend))
     );
 
     // 将好友ID添加到用户的好友列表中
@@ -688,11 +770,15 @@ export class UpstashRedisStorage implements IStorage {
   async updateFriendStatus(friendId: string, status: Friend['status']): Promise<void> {
     const friendData = await withRetry(() => this.client.get(this.friendKey(friendId)));
     if (friendData) {
-      const friend = friendData as Friend;
-      friend.status = status;
-      await withRetry(() =>
-        this.client.set(this.friendKey(friendId), friend)
-      );
+      try {
+        const friend = typeof friendData === 'string' ? JSON.parse(friendData) : friendData as Friend;
+        friend.status = status;
+        await withRetry(() =>
+          this.client.set(this.friendKey(friendId), JSON.stringify(friend))
+        );
+      } catch (error) {
+        console.error('更新好友状态失败:', error);
+      }
     }
   }
 
@@ -706,10 +792,14 @@ export class UpstashRedisStorage implements IStorage {
     for (const requestId of requestIds) {
       const requestData = await withRetry(() => this.client.get(this.friendRequestKey(requestId)));
       if (requestData) {
-        const request = requestData as FriendRequest;
-        // 只返回相关的申请（发送给该用户的或该用户发送的）
-        if (request.to_user === userName || request.from_user === userName) {
-          requests.push(request);
+        try {
+          const request = typeof requestData === 'string' ? JSON.parse(requestData) : requestData as FriendRequest;
+          // 只返回相关的申请（发送给该用户的或该用户发送的）
+          if (request.to_user === userName || request.from_user === userName) {
+            requests.push(request);
+          }
+        } catch (error) {
+          console.error('解析好友申请失败:', error);
         }
       }
     }
@@ -718,9 +808,9 @@ export class UpstashRedisStorage implements IStorage {
   }
 
   async createFriendRequest(request: FriendRequest): Promise<void> {
-    // 保存申请详情
+    // 保存申请详情 - 使用JSON序列化
     await withRetry(() =>
-      this.client.set(this.friendRequestKey(request.id), request)
+      this.client.set(this.friendRequestKey(request.id), JSON.stringify(request))
     );
 
     // 将申请ID添加到双方的申请列表中
@@ -735,27 +825,35 @@ export class UpstashRedisStorage implements IStorage {
   async updateFriendRequest(requestId: string, status: FriendRequest['status']): Promise<void> {
     const requestData = await withRetry(() => this.client.get(this.friendRequestKey(requestId)));
     if (requestData) {
-      const request = requestData as FriendRequest;
-      request.status = status;
-      request.updated_at = Date.now();
-      await withRetry(() =>
-        this.client.set(this.friendRequestKey(requestId), request)
-      );
+      try {
+        const request = typeof requestData === 'string' ? JSON.parse(requestData) : requestData as FriendRequest;
+        request.status = status;
+        request.updated_at = Date.now();
+        await withRetry(() =>
+          this.client.set(this.friendRequestKey(requestId), JSON.stringify(request))
+        );
+      } catch (error) {
+        console.error('更新好友申请失败:', error);
+      }
     }
   }
 
   async deleteFriendRequest(requestId: string): Promise<void> {
     const requestData = await withRetry(() => this.client.get(this.friendRequestKey(requestId)));
     if (requestData) {
-      const request = requestData as FriendRequest;
+      try {
+        const request = typeof requestData === 'string' ? JSON.parse(requestData) : requestData as FriendRequest;
 
-      // 从双方的申请列表中移除
-      await withRetry(() =>
-        this.client.srem(this.userFriendRequestsKey(request.from_user), requestId)
-      );
-      await withRetry(() =>
-        this.client.srem(this.userFriendRequestsKey(request.to_user), requestId)
-      );
+        // 从双方的申请列表中移除
+        await withRetry(() =>
+          this.client.srem(this.userFriendRequestsKey(request.from_user), requestId)
+        );
+        await withRetry(() =>
+          this.client.srem(this.userFriendRequestsKey(request.to_user), requestId)
+        );
+      } catch (error) {
+        console.error('删除好友申请失败:', error);
+      }
     }
 
     // 删除申请详情
diff --git a/src/middleware.ts b/src/middleware.ts
index 3070d7b..b672d79 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -133,6 +133,6 @@ function shouldSkipAuth(pathname: string): boolean {
 // 配置middleware匹配规则
 export const config = {
   matcher: [
-    '/((?!_next/static|_next/image|favicon.ico|login|warning|api/login|api/register|api/logout|api/cron|api/server-config|api/theme).*)',
+    '/((?!_next/static|_next/image|favicon.ico|login|warning|api/login|api/register|api/logout|api/cron|api/server-config).*)',
   ],
 };