* updated version in document.

index.html

@@ -117,7 +117,7 @@ base_url: "./"
       <p>
         <a target="_blank" href="https://github.com/easysoft/zui" class="btn btn-success"><i class="icon-code"></i> 项目</a> &nbsp;
         <a target="_blank" href="https://github.com/easysoft/zui/releases" class="btn btn-primary"><i class="icon-download-alt"></i> 下载</a> &nbsp;
-        <small class='text-muted'>v1.0beta</small>
+        <small class='text-muted'>v1.0 stable</small>
       </p>
       <hr>
       <h2 class='text-special'>特色</h2>