Update main.py

main.py

@@ -109,6 +109,7 @@ def get_user_record(uid):
 @app.route("/chat", methods=["POST"])
 def chat():
     user_ip = request.remote_addr or "0.0.0.0"
+    user_ip = user_ip.replace(".", "_")
     count = increment_query_count(user_ip)
     need_login = count > 5