diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index 5e5d3c89..2b0981e2 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -676,11 +676,14 @@ class MissionService extends BaseService {
             return;
         }
         myself()->_decItems(array(
-            'item_id' => V_ITEM_DIAMOND,
-            'item_num' => $missionMeta['boost']
+            array(
+                'item_id' => V_ITEM_DIAMOND,
+                'item_num' => $missionMeta['boost']
+            )
         ));
         $this->removeOfferRewardMission($missionId);
         $this->saveOfferRewardMission();
+        myself()->_rspOk();
     }
 
     private function getOfferRewardMissionById($missionId)
@@ -724,6 +727,7 @@ class MissionService extends BaseService {
         }
         $this->removeOfferRewardMission($missionId);
         $this->saveOfferRewardMission();
+        myself()->_rspOk();
     }
 
 }