diff --git a/core/managers/permission_manager.py b/core/managers/permission_manager.py
index fa5f4ce..7fa2910 100644
--- a/core/managers/permission_manager.py
+++ b/core/managers/permission_manager.py
@@ -152,6 +152,12 @@ class PermissionManager(Singleton):
         检查用户是否具有指定权限级别
         """
         user_permission = await self.get_user_permission(user_id)
+        
+        # 增强类型检查，防止将property对象等错误类型传递进来
+        if not isinstance(required_permission, Permission):
+            logger.error(f"权限检查失败：required_permission 不是 Permission 枚举类型，而是 {type(required_permission).__name__}")
+            return False
+            
         return user_permission >= required_permission
 
     async def get_all_user_permissions(self) -> Dict[str, str]:
diff --git a/plugins/echo.py b/plugins/echo.py
index 6acbc11..d017712 100644
--- a/plugins/echo.py
+++ b/plugins/echo.py
@@ -6,6 +6,7 @@ Echo 与交互插件
 from core.managers.command_manager import matcher
 from core.bot import Bot
 from models.events.message import MessageEvent
+from core.permission import Permission
 
 __plugin_meta__ = {
     "name": "echo",
@@ -13,7 +14,7 @@ __plugin_meta__ = {
     "usage": "/echo [内容] - 复读内容\n/赞我 - 让机器人给你点赞",
 }
 
-@matcher.command("echo",permission=MessageEvent.ADMIN)
+@matcher.command("echo", permission=Permission.ADMIN)
 async def handle_echo(bot: Bot, event: MessageEvent, args: list[str]):
     """
     处理 echo 指令，原样回复用户输入的内容