diff --git a/apps/user/.env.example b/apps/user/.env.example
index 250f86e..40d7adc 100644
--- a/apps/user/.env.example
+++ b/apps/user/.env.example
@@ -9,6 +9,10 @@ VITE_CDN_URL=https://cdn.jsdmirror.com
 # Enable tutorial document feature (true/false)
 VITE_TUTORIAL_DOCUMENT=true
 
+# Show landing page on home route (true/false, default: true)
+# When set to false, users will be redirected to login page directly
+VITE_SHOW_LANDING_PAGE=true
+
 # Default login credentials (for development only)
 VITE_USER_EMAIL=
 VITE_USER_PASSWORD=
diff --git a/apps/user/src/sections/main/index.tsx b/apps/user/src/sections/main/index.tsx
index d90c619..49be4bd 100644
--- a/apps/user/src/sections/main/index.tsx
+++ b/apps/user/src/sections/main/index.tsx
@@ -10,11 +10,20 @@ export default function Main() {
   const { user } = useGlobalStore();
   const navigate = useNavigate();
 
+  const showLanding = import.meta.env.VITE_SHOW_LANDING_PAGE !== "false";
+
   useEffect(() => {
     if (user) {
       navigate({ to: "/dashboard" });
+      return;
     }
-  }, [user, navigate]);
+
+    if (!showLanding) {
+      navigate({ to: "/auth" });
+    }
+  }, [user, navigate, showLanding]);
+
+  if (!showLanding) return null;
 
   return (
     <main className="container space-y-16">
diff --git a/docs/guide/separation/frontend.md b/docs/guide/separation/frontend.md
index 8259af9..ca64fe6 100644
--- a/docs/guide/separation/frontend.md
+++ b/docs/guide/separation/frontend.md
@@ -99,6 +99,9 @@ VITE_CDN_URL=https://cdn.jsdmirror.com
 # Enable tutorial documentation (optional)
 VITE_TUTORIAL_DOCUMENT=true
 
+# Show landing page (optional, set to false to redirect to login directly)
+VITE_SHOW_LANDING_PAGE=true
+
 # Development default credentials (leave empty in production)
 VITE_USER_EMAIL=
 VITE_USER_PASSWORD=
@@ -461,6 +464,7 @@ sudo systemctl enable caddy
 | `VITE_API_BASE_URL` | Backend API address | ✅ | - | `https://api.your-domain.com` |
 | `VITE_CDN_URL` | CDN address | ❌ | `https://cdn.jsdmirror.com` | `https://cdn.your-domain.com` |
 | `VITE_TUTORIAL_DOCUMENT` | Enable tutorial docs | ❌ | `true` | `true` / `false` |
+| `VITE_SHOW_LANDING_PAGE` | Show landing page | ❌ | `true` | `true` / `false` |
 | `VITE_USER_EMAIL` | Default login email (dev only) | ❌ | - | - |
 | `VITE_USER_PASSWORD` | Default login password (dev only) | ❌ | - | - |
 
diff --git a/docs/zh/guide/separation/frontend.md b/docs/zh/guide/separation/frontend.md
index 24a3ff0..ad2e3a7 100644
--- a/docs/zh/guide/separation/frontend.md
+++ b/docs/zh/guide/separation/frontend.md
@@ -116,6 +116,9 @@ VITE_CDN_URL=https://cdn.jsdmirror.com
 # 启用教程文档（可选）
 VITE_TUTORIAL_DOCUMENT=true
 
+# 显示落地页（可选，设为 false 则直接跳转登录页）
+VITE_SHOW_LANDING_PAGE=true
+
 # 开发环境默认登录凭证（生产环境请留空）
 VITE_USER_EMAIL=
 VITE_USER_PASSWORD=
@@ -461,6 +464,7 @@ sudo systemctl enable caddy
 | `VITE_API_BASE_URL` | 后端 API 地址 | ✅ | - | `https://api.your-domain.com` |
 | `VITE_CDN_URL` | CDN 地址 | ❌ | `https://cdn.jsdmirror.com` | `https://cdn.your-domain.com` |
 | `VITE_TUTORIAL_DOCUMENT` | 启用教程文档 | ❌ | `true` | `true` / `false` |
+| `VITE_SHOW_LANDING_PAGE` | 显示落地页 | ❌ | `true` | `true` / `false` |
 | `VITE_USER_EMAIL` | 默认登录邮箱（仅开发） | ❌ | - | - |
 | `VITE_USER_PASSWORD` | 默认登录密码（仅开发） | ❌ | - | - |