diff --git a/test.py b/test.py
index 6190a8e..aa787e0 100644
--- a/test.py
+++ b/test.py
@@ -72,7 +72,7 @@ async def startup(username, device):
             await task_start(username, device)
         return BaseResponse(code=200, msg="success")
     except Exception as e:
-        return BaseResponse(code=500, msg=e)
+        return BaseResponse(code=500, msg=str(e))
 
 
 def push_stream(username, device):
@@ -90,4 +90,4 @@ def close_stream(username, device):
 if __name__ == '__main__':
     broker = 'mqtt.lihaink.cn'
     port = 1883
-    uvicorn.run(app, host="127.0.0.1", port=8000)
+    uvicorn.run(app, host="127.0.0.1", port=8001)