add file and fix

README.md

@@ -1,5 +1,5 @@
 
-<div align=center><a href="https://doc.gopay.ink" target="_blank"><img width="250" height="250" alt="Logo was Loading Faild!" src="https://raw.githubusercontent.com/iGoogle-ink/gopay/master/logo.png"/></a></div>
+<div align=center><img width="240" height="240" alt="Logo was Loading Faild!" src="https://raw.githubusercontent.com/iGoogle-ink/gopay/master/logo.png"/></div>
 
 # GoPay
 
@@ -193,6 +193,8 @@ fmt.Println("Response：", wxRsp)
 ## 支付宝支付 example
 
 * Coming soon.
+* 手机网站支付流程
+<div align=center><a href="https://docs.open.alipay.com/203/105285" target="_blank"><img alt="Logo was Loading Faild!" src="https://raw.githubusercontent.com/iGoogle-ink/gopay/master/alipay.jpg"/></a></div>
 
 ## License
 ```