diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index 8c4399d0..2e87710e 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -552,6 +552,7 @@ class MissionService extends BaseService {
 
     private function refreshOfferRewardMission()
     {
+        error_log(json_encode($this->offerRewartdMission));
         $wantedRefreshMissionNum = mt\Parameter::getVal
                                  ('wanted_refresh_mission_num', 0);
         if ($wantedRefreshMissionNum <=