diff --git a/tool.py b/tool.py
index a69092a..5b5fe30 100755
--- a/tool.py
+++ b/tool.py
@@ -9,14 +9,12 @@ from pydantic import BaseModel
 from config import mp4_path, post_record_list_url, post_record_url, info_topic
 
 
-class BaseResponse:
-    code: int
-    msg: str
-
-
 # 统一返回
 def publish_payload(code, msg):
-    return json.dumps(BaseResponse(code=code, msg=msg), ensure_ascii=False)
+    return json.dumps({
+        "code": code,
+        "msg": msg
+    }, ensure_ascii=False)
 
 
 def exception_handler(func):