后台页面小bug修复

包括按钮的距离，模板的css等

template/admin/admin.html

@@ -84,7 +84,7 @@
         <img src="/static/img/loading.gif" id="loading-gif">
         <!-- custom body begin -->
 
-        <div class='col-md-8'  ms-include-src="template_url" data-include-rendered="hide_loading"></div>
+        <div ms-include-src="template_url" data-include-rendered="hide_loading"></div>
 
         <!-- custom body end -->
     </div>