Update app.py

app.py

@@ -314,7 +314,7 @@ Developed by Alibaba Cloud, modified by Team OpthChat
         share=args.share,
         inbrowser=args.inbrowser,
         server_port=args.server_port,
-        server_name=args.server_name
+        server_name=args.server_name,
         auth=[("user", spaces_pw)]
     )