diff --git a/game-server/app/servers/role/handler/heroHandler.ts b/game-server/app/servers/role/handler/heroHandler.ts
index bf80d99f1..b6e9e3487 100644
--- a/game-server/app/servers/role/handler/heroHandler.ts
+++ b/game-server/app/servers/role/handler/heroHandler.ts
@@ -237,7 +237,7 @@ export class HeroHandler {
         }
 
         // 根据dic_zyz_hero_quality_up 获得需要的材料
-        const curDicHeroQualityUp = gameData.heroQualityUp.get(quality);
+        const curDicHeroQualityUp = gameData.heroQualityUp.get(oldQuality);
         if (!curDicHeroQualityUp) return resResult(STATUS.DIC_DATA_NOT_FOUND);
         let { fragmentNum } = curDicHeroQualityUp;