1、后台系统设置settings页面增加一个开启关闭网站的按钮

2、如果网站关闭，前台页面所有请求暂时跳转单独的页如果网站关闭，前台页面所有请求暂时跳转单独的页面，页面内容 系统正在升级相关信息
3、要提供一个开发人员可以查看真实网站内容的入口

video-gen-api/app/api/v1/admin.py

@@ -1622,6 +1622,41 @@ async def update_system_config(
     return config
 
 
+@router.post("/system-configs/regenerate-dev-token")
+async def regenerate_dev_token(
+    admin: User = Depends(get_admin_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """重新生成开发者访问令牌。"""
+    import secrets
+    result = await db.execute(
+        select(SystemConfig).where(SystemConfig.key == "site_dev_access_token").limit(1)
+    )
+    config = result.scalar_one_or_none()
+    new_token = secrets.token_urlsafe(32)
+    if config:
+        config.value = new_token
+    else:
+        config = SystemConfig(
+            id=generate_id(),
+            key="site_dev_access_token",
+            value=new_token,
+            description="开发者访问令牌（网站关闭时用于绕过限制）",
+        )
+        db.add(config)
+    await db.flush()
+    await log_operation(
+        db,
+        admin.id,
+        admin.username,
+        "重新生成开发者访问令牌",
+        "POST",
+        "/admin/system-configs/regenerate-dev-token",
+    )
+    await db.commit()
+    return {"token": new_token}
+
+
 # ── Operation Logs ──────────────────────────────────────
 
 @router.get("/operation-logs")

video-gen-api/app/api/v1/auth.py

@@ -345,12 +345,19 @@ async def get_site_info(db: AsyncSession = Depends(get_db)):
         base_url = settings.BASE_URL.rstrip("/")
         return f"{base_url}{path}"
 
+    # 读取网站开关状态（不存在时默认开启）
+    site_enabled_result = await db.execute(
+        select(SystemConfig.value).where(SystemConfig.key == "site_enabled").limit(1)
+    )
+    site_enabled_value = site_enabled_result.scalar_one_or_none()
+
     return {
         "site_name": info.get("site_name", "VideoGen.AI"),
         "site_logo": to_full_url(info.get("site_logo")),
         "user_agreement_privacy_url": to_full_url(info.get("user_agreement_privacy_url")),
         "site_copyright": info.get("site_copyright", "© 2024 民众智创 版权所有"),
         "operation_manual": info.get("operation_manual", ""),
+        "site_enabled": site_enabled_value != "false",
     }