diff --git a/app/api/endpoints/system.py b/app/api/endpoints/system.py
index 1fa011ba..5874c895 100644
--- a/app/api/endpoints/system.py
+++ b/app/api/endpoints/system.py
@@ -144,7 +144,7 @@ def set_setting(key: str, value: Union[list, dict, bool, int, str] = None,
 
 
 @router.get("/message", summary="实时消息")
-def get_message(token: str, role: str = "sys"):
+def get_message(token: str, role: str = "system"):
     """
     实时获取系统消息，返回格式为SSE
     """
diff --git a/app/helper/message.py b/app/helper/message.py
index d08caf2e..3cd0c2da 100644
--- a/app/helper/message.py
+++ b/app/helper/message.py
@@ -52,12 +52,12 @@ class MessageHelper(metaclass=Singleton):
                 content['note'] = note
                 self.user_queue.put(json.dumps(content))
 
-    def get(self, role: str = "sys") -> Optional[str]:
+    def get(self, role: str = "system") -> Optional[str]:
         """
         取消息
-        :param role: 消息通道 sys/user
+        :param role: 消息通道 systm：系统消息，plugin：插件消息，user：用户消息
         """
-        if role == "sys":
+        if role == "system":
             if not self.sys_queue.empty():
                 return self.sys_queue.get(block=False)
         else: