fix: 查询SQLmap属性值转换空字符

features/sys_user/service/repo_sys_user.go

@@ -572,11 +572,7 @@ func (r *RepoSysUser) CheckUniqueUser(sysUser sysUserModel.SysUser) string {
 		log.Errorf("query err %v", err)
 	}
 	if len(results) > 0 {
-		v, ok := results[0]["str"].(string)
-		if ok {
-			return v
-		}
-		return ""
+		return fmt.Sprint(results[0]["str"])
 	}
 	return ""
 }