diff --git a/utils/config.py b/utils/config.py
index 15d0a7c..a0d974b 100644
--- a/utils/config.py
+++ b/utils/config.py
@@ -37,7 +37,7 @@ class PluginConfig(BaseModel):
 
     # 以下为机器学习聊天模块配置
     # mongodb数据库连接url
-    paimon_mongodb_url: str = "mongodb://localhost:27017"
+    paimon_mongodb_url: str = None
     # 派蒙聊天屏蔽用户
     paimon_chat_ban: List[int] = []
     # 派蒙聊天学习阈值，越小学习越快