diff --git a/backend/requirements.txt b/backend/requirements.txt
index 9064092..2707c9c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -7,3 +7,4 @@ mistralai==0.1.6
 flask-socketio==5.3.6
 python-socketio==5.11.0
 simple-websocket==1.0.0
+eventlet==0.40.4
\ No newline at end of file
diff --git a/backend/server.py b/backend/server.py
index 1f603ec..3a29920 100644
--- a/backend/server.py
+++ b/backend/server.py
@@ -26,7 +26,7 @@ try:
     with open(yaml_file, "r", encoding="utf-8") as file:
         yaml_data = yaml.safe_load(file)
 except Exception:
-    yaml_file = {}
+    yaml_data = {}
 USE_CACHE: bool = os.getenv("USE_CACHE")
 if USE_CACHE is None:
     USE_CACHE = yaml_data.get("USE_CACHE", False)
@@ -37,7 +37,8 @@ AgentProfile_Dict = {}
 Request_Cache: dict[str, str] = {}
 app = Flask(__name__)
 app.config['SECRET_KEY'] = 'agentcoord-secret-key'
-socketio = SocketIO(app, cors_allowed_origins="*", async_mode='threading')
+# socketio = SocketIO(app, cors_allowed_origins="*", async_mode='threading')
+socketio = SocketIO(app, cors_allowed_origins="*", async_mode='eventlet')
 
 
 def truncate_rehearsal_log(RehearsalLog: List, restart_from_step_index: int) -> List:
@@ -1767,4 +1768,5 @@ if __name__ == "__main__":
     args = parser.parse_args()
     init()
     # 使用 socketio.run 替代 app.run，支持WebSocket
-    socketio.run(app, host="0.0.0.0", port=args.port, debug=True, allow_unsafe_werkzeug=True)
+    # socketio.run(app, host="0.0.0.0", port=args.port, debug=True, allow_unsafe_werkzeug=True)
+    socketio.run(app, host="0.0.0.0", port=args.port, debug=False, allow_unsafe_werkzeug=True)