diff --git a/webapp/controller/MatchController.class.php b/webapp/controller/MatchController.class.php
index db33611a..12951990 100644
--- a/webapp/controller/MatchController.class.php
+++ b/webapp/controller/MatchController.class.php
@@ -230,9 +230,11 @@ class MatchController extends BaseAuthedController {
                 array_push($teamList, $teamInfo);
             }
         }
+        $payload = md5(json_encode($teamList) . '520d8eAbB(8cf1^#$^&!@d833a42c820432PDAFE^^)') .
+                 ":moba_room|" . json_encode($teamList);
         $matchInfo['join_msg'] = array(
             'team_uuid' => $teamUuid,
-            'payload' => $teamList
+            'payload' => $payload
         );
     }