diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index 7adbf170..cb718569 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -577,7 +577,7 @@ class MissionService extends BaseService {
                            ));
             }
         }
-        BigData::setData(BigData::OFFER_REWARD_MISSION_TYPE, json_encode($this->offerRewartdMission));
+        $this->saveOfferRewardMission();
     }
 
     public function getOfferRewardMissions()
@@ -662,7 +662,11 @@ class MissionService extends BaseService {
             $this->_rspErr(1, 'mission_id parameter error');
             return;
         }
-
+        if ($mission['sendtime'] > 0) {
+            $this->_rspErr(1, 'mission_id parameter error2');
+            return;
+        }
+        $this->saveOfferRewardMission();
     }
 
     private function getOfferRewardMissionById($missionId)
@@ -676,4 +680,9 @@ class MissionService extends BaseService {
         return null;
     }
 
+    private function saveOfferRewardMission()
+    {
+        BigData::setData(BigData::OFFER_REWARD_MISSION_TYPE, json_encode($this->offerRewartdMission));
+    }
+
 }