diff --git a/app/src/util/iOSPurchase.ts b/app/src/util/iOSPurchase.ts
index 200cbdc51..0b7048ede 100644
--- a/app/src/util/iOSPurchase.ts
+++ b/app/src/util/iOSPurchase.ts
@@ -85,4 +85,4 @@ export const iOSPurchase = (productType: string) => {
     } else {
         showMessage(window.siyuan.languages.needLogin);
     }
-}
+};