diff --git a/backend/src/main/java/com/designhub/service/DingTalkService.java b/backend/src/main/java/com/designhub/service/DingTalkService.java
index 873450e..60d746f 100644
--- a/backend/src/main/java/com/designhub/service/DingTalkService.java
+++ b/backend/src/main/java/com/designhub/service/DingTalkService.java
@@ -2,7 +2,6 @@ package com.designhub.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.designhub.common.ResultCode;
-import com.designhub.entity.Department;
 import com.designhub.entity.DingTalkConfig;
 import com.designhub.exception.BusinessException;
 import com.designhub.mapper.DepartmentMapper;