diff --git a/game-server/app/services/roleService.ts b/game-server/app/services/roleService.ts
index 66d362386..ae84f99fe 100644
--- a/game-server/app/services/roleService.ts
+++ b/game-server/app/services/roleService.ts
@@ -154,6 +154,7 @@ export function getInitHeroById(hid: number) {
 }
 
 export function addConsumeToHero(oldConsume: Reward[] = [], consumes: ItemInter[] = []) {
+    if(!oldConsume) oldConsume = [];
     let consumeMap = new Map<number, number>();
     for(let { id, count = 1 } of consumes) {
         consumeMap.set(id, count);