diff --git a/webapp/services/RoomBattleDataService.php b/webapp/services/RoomBattleDataService.php
index c14f9c4d..bfb44a3e 100644
--- a/webapp/services/RoomBattleDataService.php
+++ b/webapp/services/RoomBattleDataService.php
@@ -190,12 +190,12 @@ class RoomBattleDataService extends BaseService {
                     $totalCompute = $currentCompute + $s * $lastCompute;
                     $computeParam = mt\Parameter::getVal('economy_account_compute_K',0);
                     $computeMaxEffect = mt\Parameter::getVal('economy_account_compute_E',0);
-                    $gold =  intval( $gold * ($totalCompute / ($totalCompute + $computeParam) * $computeMaxEffect + 1));
+                    $gold = $gold * ($totalCompute / ($totalCompute + $computeParam) * $computeMaxEffect + 1);
                 }
                 if ($gold > 0){
                     array_push($reward,array(
                         "item_id" => V_ITEM_GOLD,
-                        "item_num" => $gold,
+                        "item_num" => floor($gold),
                     ));
                 }
             }