diff --git a/platform/frontend/admin.html b/platform/frontend/admin.html
index 8627685..0aca582 100644
--- a/platform/frontend/admin.html
+++ b/platform/frontend/admin.html
@@ -396,6 +396,8 @@ const app = createApp({
 });
 
 app.use(ElementPlus);
+// 安装导航组件
+if (window.installNavigation) { window.installNavigation(app); }
 app.mount('#app');
     </script>
 </body>
diff --git a/platform/frontend/index.html b/platform/frontend/index.html
index ea5a74c..e15a860 100644
--- a/platform/frontend/index.html
+++ b/platform/frontend/index.html
@@ -531,7 +531,9 @@
 
         const app = Vue.createApp(App);
         app.use(ElementPlus);
-        app.mount('#app');
+        // 安装导航组件
+if (window.installNavigation) { window.installNavigation(app); }
+app.mount('#app');
     </script>
 </body>
 </html>
diff --git a/platform/frontend/logs.html b/platform/frontend/logs.html
index ee79eb8..c76b616 100644
--- a/platform/frontend/logs.html
+++ b/platform/frontend/logs.html
@@ -147,7 +147,9 @@
         };
                 const app = Vue.createApp(LogsApp);
             app.use(ElementPlus);
-            app.mount('#app');
+            // 安装导航组件
+if (window.installNavigation) { window.installNavigation(app); }
+app.mount('#app');
     </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/platform/frontend/navigation-component.js b/platform/frontend/navigation-component.js
index bd05d6e..ca39985 100644
--- a/platform/frontend/navigation-component.js
+++ b/platform/frontend/navigation-component.js
@@ -69,7 +69,7 @@ function injectNavigationStyles() {
     .navigation-wrapper { position: relative; }
     .navigation-wrapper .sidebar {
       width: 180px; background: white; padding: 12px; box-shadow: 2px 0 8px rgba(0,0,0,0.05);
-      position: fixed; left: 0; top: 60px; bottom: 0; overflow-y: auto; z-index: 100;
+      position: fixed; left: 0; top: 60px; bottom: 0; overflow-y: auto; z-index: 9999;
     }
     .navigation-wrapper .sidebar-header { padding: 12px 8px 16px; border-bottom: 1px solid #ebeef5; margin-bottom: 12px; }
     .navigation-wrapper .sidebar-header h3 { margin: 0; font-size: 16px; font-weight: 600; color: #303133; }
@@ -93,8 +93,8 @@ function injectNavigationStyles() {
       .navigation-wrapper .sidebar { display: none !important; }
       .navigation-wrapper .mobile-nav { display: flex !important; }
     }
-    @media (min-width: 769px) { .navigation-wrapper .mobile-nav { display: none !important; } }
-    body > #app > .navigation-wrapper + .main-content { margin-left: 180px; }
+    undefined
+    body > #app > .navigation-wrapper + .main-content { margin-left: 180px !important; }
     @media (max-width: 768px) {
       body > #app > .navigation-wrapper + .main-content { margin-left: 0 !important; padding-bottom: 60px !important; }
     }
@@ -119,3 +119,50 @@ if (typeof window !== 'undefined') {
 if (typeof module !== 'undefined' && module.exports) {
   module.exports = { NavigationComponent, installNavigation };
 }
+// 自动调整 main-content 边距
+(function adjustLayout() {
+  // 等待DOM加载
+  const check = () => {
+    const main = document.querySelector('.main-content');
+    if (main) {
+      // 检测是否有导航组件
+      const hasSidebar = document.querySelector('.navigation-wrapper .sidebar') !== null;
+      if (hasSidebar) {
+        main.style.marginLeft = '180px';
+      } else {
+        main.style.marginLeft = '0';
+      }
+    }
+    // 移动端调整
+    const mobileNav = document.querySelector('.navigation-wrapper .mobile-nav');
+    if (mobileNav) {
+      main.style.paddingBottom = '60px';
+    }
+  };
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', check);
+  } else {
+    check();
+  }
+  // Vue 挂载后再次调整（通过全局API）
+  if (window.Vue) {
+    window.Vue.mixin({
+      mounted() {
+        setTimeout(check, 0);
+      }
+    });
+  }
+})();
+// 运行时检查（仅开发环境）
+if (typeof window !== 'undefined') {
+  window.addEventListener('load', () => {
+    setTimeout(() => {
+      const nav = document.querySelector('.navigation-wrapper');
+      if (!nav) {
+        console.warn('[NavigationComponent] 未找到 .navigation-wrapper 元素，可能未正确渲染');
+      } else {
+        console.log('[NavigationComponent] 已渲染');
+      }
+    }, 100);
+  });
+}
diff --git a/platform/frontend/topics.html b/platform/frontend/topics.html
index ad5c09f..b3a5cff 100644
--- a/platform/frontend/topics.html
+++ b/platform/frontend/topics.html
@@ -668,6 +668,8 @@ const TopicsApp = {
 };
 const app = Vue.createApp(TopicsApp);
 app.use(ElementPlus);
+// 安装导航组件
+if (window.installNavigation) { window.installNavigation(app); }
 app.mount('#app');
 </script>
 
diff --git a/platform/frontend/users.html b/platform/frontend/users.html
index 416417c..7f2779e 100644
--- a/platform/frontend/users.html
+++ b/platform/frontend/users.html
@@ -225,7 +225,9 @@
         };
                 const app = Vue.createApp(UsersApp);
             app.use(ElementPlus);
-            app.mount('#app');
+            // 安装导航组件
+if (window.installNavigation) { window.installNavigation(app); }
+app.mount('#app');
     </script>
 </body>
 </html>
\ No newline at end of file