diff --git a/docs/tutorial/app-payment-google.md b/docs/tutorial/app-payment-google.md
index 22f52e1d72686d757e19252c87101bfc53bd602c..b9b95f0d7d64d62b0150028a7923f96542f0afe1 100644
--- a/docs/tutorial/app-payment-google.md
+++ b/docs/tutorial/app-payment-google.md
@@ -173,7 +173,5 @@ plus.payment.getChannels((providers) => {
 						console.log("支付失败： " + JSON.stringify(e));
 					})
 				});
-
-
 ```