diff --git a/app/endpoints/config_endpoint.py b/app/endpoints/config_endpoint.py
index 9eca8c7..0e8b93b 100644
--- a/app/endpoints/config_endpoint.py
+++ b/app/endpoints/config_endpoint.py
@@ -77,6 +77,9 @@ async def save_config(request: Request, body: SaveConfigRequest):
         try:
             # 使用 Pydantic 严格校验数据类型和结构
             validated_config = AgentConfig.model_validate(data)
+            # 去重
+            validated_config.chatroomIdWhiteList=list(set(validated_config.chatroomIdWhiteList))
+            validated_config.addContactsFromChatroomIdWhiteList=list(set(validated_config.addContactsFromChatroomIdWhiteList))
         except ValidationError as e:
            return  {'code': 407, 'message': e.errors().__str__()}