diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index 8afcd25..fefc2aa 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -87,8 +87,8 @@ class KefuController {
             'to' => $accountid,
             'game_id' => phpcommon\extractGameId($accountid),
             'from' => '客服',
-            'mail_type' => '1',
-            'mail_subtype' => '0',
+            'mail_type' => '-1',
+            'mail_subtype' => '-1',
             'subject' => '领奖',
             'content' => '领取奖励',
             'sendtime' => time(),