diff --git a/library/payclients/alipaycli/client.go b/library/payclients/alipaycli/client.go
index 878e1ab0..0503976c 100644
--- a/library/payclients/alipaycli/client.go
+++ b/library/payclients/alipaycli/client.go
@@ -25,7 +25,7 @@ const (
 var allAlipayClients = map[string]*AlipayClient{}
 
 func GetDefaultAlipayClient() *AlipayClient {
-	return allAlipayClients[AppIdXinYiDaoLe]
+	return allAlipayClients[AppIdMiYuanTianShi]
 }
 
 func GetAlipayClientByAppId(appId string) *AlipayClient {