diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index 0a6f4ad6..60a07b5a 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -343,22 +343,26 @@ class MissionService extends BaseService {
 
     private function getWeaponDamageOut($missionMeta)
     {
-
+        $val = 0;
+        return $val;
     }
 
     private function getWeaponKills($missionMeta)
     {
-
+        $val = 0;
+        return $val;
     }
 
     private function getWeaponSlotUseTimes($missionMeta)
     {
-
+        $val = 0;
+        return $val;
     }
 
     private function getEquipObtainCount($missionMeta)
     {
-
+        $val = 0;
+        return $val;
     }
 
 }