diff --git a/game-server/app/services/rewardService.ts b/game-server/app/services/rewardService.ts
index ae1b2712a..8762ac1f6 100644
--- a/game-server/app/services/rewardService.ts
+++ b/game-server/app/services/rewardService.ts
@@ -96,6 +96,7 @@ export class CheckMeterial {
                 this.pushToNotEnoughItems(this.goldId, goldCost - this.itemsIndb.get(this.goldId));
                 isEnough = false;
             }
+            this.itemsIndb.set(this.goldId, this.itemsIndb.get(this.goldId) - goldCost);
         }
         if(isEnough && coin.length > 0) {
             if(!this.itemsIndb.has(this.coinId)) {
@@ -108,6 +109,7 @@ export class CheckMeterial {
                 this.pushToNotEnoughItems(this.coinId, coinCost - this.itemsIndb.get(this.coinId));
                 isEnough = false;
             }
+            this.itemsIndb.set(this.coinId, this.itemsIndb.get(this.coinId) - coinCost);
         }
 
         if(isEnough) this.consumes.push(...goods);