diff --git a/webapp/controller/MailController.class.php b/webapp/controller/MailController.class.php
index 13a801a..a15c6a7 100644
--- a/webapp/controller/MailController.class.php
+++ b/webapp/controller/MailController.class.php
@@ -88,7 +88,7 @@ class MailController
             ' SELECT mail_id, subject, content, attachments, expiretime  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 expiretime>:nowtime ' .
-                ' AND (recipients="" OR recipients LIKE "%:accountid%");',
+                ' AND (recipients="" OR recipients="[]" OR recipients LIKE "%:accountid%");',
             array(
                 ':createtime' => $usercreate,
                 ':nowtime' => $nowtime,
@@ -209,9 +209,9 @@ class MailController
         $mailid = $_REQUEST['mailid'];
 
         $querystr = '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="[]" OR recipients LIKE "%:accountid%")';
         $params = array(
             ':createtime' => $usercreate,
             ':nowtime' => $nowtime,