diff --git a/laws-module-system/src/main/java/com/jero/modules/system/mapper/xml/SysUserMapper.xml b/laws-module-system/src/main/java/com/jero/modules/system/mapper/xml/SysUserMapper.xml
index bc753250..f39b9c66 100644
--- a/laws-module-system/src/main/java/com/jero/modules/system/mapper/xml/SysUserMapper.xml
+++ b/laws-module-system/src/main/java/com/jero/modules/system/mapper/xml/SysUserMapper.xml
@@ -59,7 +59,15 @@
 
 	<!-- 查询用户的所属部门名称信息 -->
 	<select id="getDepNamesByUserIds" resultType="com.jero.modules.system.vo.SysUserDepNameVo">
-		select d.depart_name,ud.user_id from sys_user_depart ud,sys_depart d where d.id = ud.dep_id and ud.user_id in
+		SELECT
+		d.depart_name,
+		ud.user_id
+		FROM
+		sys_user_depart ud
+		JOIN
+		sys_depart d ON d.id = ud.dep_id
+		WHERE
+		ud.user_id IN
 		<foreach collection="userIds" index="index" item="id" open="(" separator="," close=")">
 			#{id}
 		</foreach>
diff --git a/laws-module-system/src/main/java/com/jero/modules/system/service/impl/SysUserServiceImpl.java b/laws-module-system/src/main/java/com/jero/modules/system/service/impl/SysUserServiceImpl.java
index 08908696..989ec9f1 100644
--- a/laws-module-system/src/main/java/com/jero/modules/system/service/impl/SysUserServiceImpl.java
+++ b/laws-module-system/src/main/java/com/jero/modules/system/service/impl/SysUserServiceImpl.java
@@ -280,14 +280,7 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> impl
 		List<SysUserDepNameVo> userDeplist = this.baseMapper.getDepNamesByUserIds(userIds);
 
 		Map<String, String> res = new HashMap<>();
-		userDeplist.forEach(item -> {
-					if (res.get(item.getUserId()) == null) {
-						res.put(item.getUserId(), item.getDepartName());
-					} else {
-						res.put(item.getUserId(), res.get(item.getUserId()) + "," + item.getDepartName());
-					}
-				}
-		);
+		userDeplist.forEach(item -> res.merge(item.getUserId(), item.getDepartName(), (a, b) -> a + "," + b));
 		return res;
 	}