fix:添加注册时间排序

controllers/user.go

@@ -1216,6 +1216,8 @@ func (this *UserController) GlobalSearch() {
 	if sortParam != "" && sortType != "" {
 		var param, sort string
 		switch sortParam {
+		case "RegisterTime":
+			param = "register_time"
 		case "ReadCnt":
 			param = "read_cnt"
 		case "LastUpdateTime":