diff --git a/index.d.ts b/index.d.ts
index ce96014..28e68bd 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -158,6 +158,6 @@ declare module 'react-native-wechat-lib' {
   }
 
   export function chooseInvoice(
-    data: ChooseInvoice,
+    data?: ChooseInvoice,
   ): Promise<{ errCode?: number; errStr?: string; cards: Invoice[] }>;
 }