diff --git a/webapp/controller/ActivityController.class.php b/webapp/controller/ActivityController.class.php
index 4c0aeca..41077e9 100644
--- a/webapp/controller/ActivityController.class.php
+++ b/webapp/controller/ActivityController.class.php
@@ -476,7 +476,7 @@ class ActivityController{
             return;
         }
         $p = $this->getParameter(REWARD_TIMES);
-        $times = $p['value'];
+        $times = $p['value'] - 1;
         foreach ($user_db['randreward_list'] as $randreward) {
             //增加奖励
             $addreward = new classes\AddReward();