diff --git a/sheep/platform/provider/wechat/miniProgram.js b/sheep/platform/provider/wechat/miniProgram.js
index c699aea6..ec84d9da 100644
--- a/sheep/platform/provider/wechat/miniProgram.js
+++ b/sheep/platform/provider/wechat/miniProgram.js
@@ -201,4 +201,5 @@ export default {
   getInfo,
   getOpenid,
   subscribeMessage,
+  checkUpdate
 };