update donation to use alipay mobile

README.md

@@ -31,7 +31,8 @@ git clone https://code.csdn.net/winlinvip/srs-csdn.git
 发行分支(Releases): [https://github.com/winlinvip/simple-rtmp-server#releases](#releases) <br/>
 横向对比(Compare): [https://github.com/winlinvip/simple-rtmp-server#compare](#compare) <br/>
 关键架构(Architecture): [https://github.com/winlinvip/simple-rtmp-server#architecture](#architecture)<br/>
-捐款(Donation): [https://me.alipay.com/winlin](https://me.alipay.com/winlin)
+捐款(Donation): [http://winlinvip.github.io/srs.release/donation/](http://winlinvip.github.io/srs.release/donation/index.html) 
+或 [阿里云镜像](http://demo.chnvideo.com:8085/srs/donation/index.html)
 
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