diff --git a/video-gen-api/app/main.py b/video-gen-api/app/main.py
index 1f3cea5b..20b31be7 100644
--- a/video-gen-api/app/main.py
+++ b/video-gen-api/app/main.py
@@ -189,6 +189,8 @@ async def _seed_data():
             ("user_register_credits", "100", "用户注册赠送积分"),
             ("user_login_credits", "0", "用户每日登录赠送积分"),
             ("user_login_credits_enabled", "false", "启用每日登录赠送积分"),
+            # Operation manual
+            ("operation_manual", "", "操作手册链接"),
         ]
         for key, value, desc in configs:
             existing = await db.execute(
diff --git a/video-gen-app/src/components/Layout/AppLayout.tsx b/video-gen-app/src/components/Layout/AppLayout.tsx
index 329f0a4d..63f29069 100644
--- a/video-gen-app/src/components/Layout/AppLayout.tsx
+++ b/video-gen-app/src/components/Layout/AppLayout.tsx
@@ -600,6 +600,7 @@ const AppLayout: React.FC = () => {
     { key: 'myCredits', icon: <WalletOutlined />, label: '积分明细' },
     { key: 'orderRecords', icon: <FileTextOutlined />, label: '订单记录' },
     { key: 'messages', icon: <BellOutlined />, label: `消息中心${unreadCount > 0 ? `(${unreadCount})` : ''}` },
+    ...(operationManualUrl ? [{ key: 'manual' as const, icon: <FileTextOutlined />, label: '操作手册' }] : []),
     { type: 'divider' as const },
     { key: 'changePwd', icon: <LockOutlined />, label: '修改密码' },
     { type: 'divider' as const },
@@ -613,6 +614,7 @@ const AppLayout: React.FC = () => {
     else if (key === 'recharge') { setRechargeModalOpen(true); }
     else if (key === 'myCredits') { navigate('/user-center?tab=credits'); }
     else if (key === 'orderRecords') { navigate('/user-center?tab=orders'); }
+    else if (key === 'manual') { window.open(operationManualUrl, '_blank'); }
   };
 
   const handleChangePwd = async () => {