diff --git a/webapp/controller/MailController.class.php b/webapp/controller/MailController.class.php
index 5342f5b..9b73850 100644
--- a/webapp/controller/MailController.class.php
+++ b/webapp/controller/MailController.class.php
@@ -86,9 +86,9 @@ class MailController
 
         $mailrows = $mailconn->execQuery(
             ' SELECT mail_id, subject, content, attachments  FROM t_mail WHERE 1=1 AND deleted=0 ' .
-                ' AND (user_reg_start_time=0 OR user_reg_end_time=0 OR (user_reg_start_time<:createtime AND user_reg_end_time>:createtime) ' .
+                ' AND (user_reg_start_time=0 OR user_reg_end_time=0 OR (user_reg_start_time<:createtime AND user_reg_end_time>:createtime)) ' .
                 ' AND expiretime>:nowtime ' .
-                ' AND recipients="" OR recipients LIKE "%:accountid%";',
+                ' AND (recipients="" OR recipients LIKE "%:accountid%");',
             array(
                 ':createtime' => $usercreate,
                 ':nowtime' => $nowtime,