diff --git a/Application/Mobile/Controller/SsgController.class.php b/Application/Mobile/Controller/SsgController.class.php
index b15f8296d..559f5d764 100644
--- a/Application/Mobile/Controller/SsgController.class.php
+++ b/Application/Mobile/Controller/SsgController.class.php
@@ -675,15 +675,18 @@ class SsgController extends BaseController {
                 'limit' => $i,
             ));  // @todo: 并发授权码已分配的情况
             $code = $list['data']['list'][$i-1]['code'];
-            $codeExists = M('game_supersign', 'tab_')->field('id')->where(array(
-                'ticket' => $code,
-            ))->find();
-            if (!$codeExists) {
-                break;
+            if($code){
+                $codeExists = M('game_supersign', 'tab_')->field('id')->where(array(
+                    'ticket' => $code,
+                ))->find();
+                if (!$codeExists) {
+                    break;
+                }
+            }else{
+                $this->assign("error","超级签已售罄~");
             }
             $i ++;
         }
-
         $game = M('game', 'tab_')->where(array(
             'id' => $gameId,
         ))->find();