diff --git a/src/modules/system/repository/sys_user.impl.go b/src/modules/system/repository/sys_user.impl.go
index 89209e38..36c2bdde 100644
--- a/src/modules/system/repository/sys_user.impl.go
+++ b/src/modules/system/repository/sys_user.impl.go
@@ -515,7 +515,8 @@ func (r *SysUserImpl) UpdateUser(sysUser model.SysUser) int64 {
 // DeleteUserByIds 批量删除用户信息
 func (r *SysUserImpl) DeleteUserByIds(userIds []string) int64 {
 	placeholder := repo.KeyPlaceholderByQuery(len(userIds))
-	sql := "update sys_user set del_flag = '1' where user_id in (" + placeholder + ")"
+	username := "CASE WHEN user_name = '' THEN user_name WHEN LENGTH(user_name) >= 36 THEN CONCAT('del_', SUBSTRING(user_name, 5, 36)) ELSE CONCAT('del_', user_name) END"
+	sql := fmt.Sprintf("update sys_user set del_flag = '1', user_name = %s where user_id in (%s)", username, placeholder)
 	parameters := repo.ConvertIdsSlice(userIds)
 	results, err := datasource.ExecDB("", sql, parameters)
 	if err != nil {