diff --git a/src/api_s2c/heroskin/ApiUplv.ts b/src/api_s2c/heroskin/ApiUplv.ts
index b07f8c1..ded894a 100644
--- a/src/api_s2c/heroskin/ApiUplv.ts
+++ b/src/api_s2c/heroskin/ApiUplv.ts
@@ -11,7 +11,7 @@ export default async function (call: ApiCall<ReqUplv, ResUplv>) {
     }
 
     let cur_lv = skin[call.req.skid];
-    let skinconf = G.gc.heroSkin[skin.skid];
+    let skinconf = G.gc.heroSkin[call.req.skid];
 
     let need = [];
     for (let i = 0; i < call.req.lv; i++) {