diff --git a/docs/app-payment-google.md b/docs/app-payment-google.md
index e1c13d161228ca58b1dcf251f1d4c9be7a3cfd5f..e4a0e1532356666554b7fd80e815c9dcefbdc0bf 100644
--- a/docs/app-payment-google.md
+++ b/docs/app-payment-google.md
@@ -71,7 +71,7 @@
 |-------------|-------|-----|
 |merchant|PayPal的商户id|是|
 
-### 示例
+#### 示例
 
 ```js
 plus.payment.getChannels((providers) => {