diff --git a/game-server/app/services/rewardService.ts b/game-server/app/services/rewardService.ts
index 893f2c41d..4c35f61b0 100644
--- a/game-server/app/services/rewardService.ts
+++ b/game-server/app/services/rewardService.ts
@@ -323,7 +323,6 @@ export async function createHeroes(roleId: string, roleName: string, sid: string
         if(userHeroesMap.has(h.hid)) {
             let {pieceId, count} = transPiece(h.hid);
             pieces.push({ id: pieceId, count });
-            userHeroesMap.delete(h.hid);
         } else {
             newHeroInfo.push(h)
             userHeroesMap.set(h.hid, null);