fix some code

static/index.html

@@ -129,7 +129,7 @@
                 <a href="/go/qiniu" target="_blank">
                     <img src="./images/qiniu.png" width=50 alt="七牛云存储">
                 </a>
-                <a href="/go/aliyun" target="_blank">
+                <a href="#">
                     <img src="./images/aliyun.png" width=50 alt="阿里云计算">
                 </a>
             </div>