diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/mapper/ProjectGroupMapper.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/mapper/ProjectGroupMapper.java
index f1284e8..6fc5c18 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/mapper/ProjectGroupMapper.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/mapper/ProjectGroupMapper.java
@@ -2,8 +2,6 @@ package cn.edu.hfut.rmdjzz.projectmanagement.mapper;
 
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.ProjectGroup;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import org.apache.ibatis.annotations.Param;
-import org.apache.ibatis.annotations.Select;
 
 /**
  * @author 张韬