插件上传页面样式优化

application/admin/view/default/pluginsadmin/upload.html

@@ -8,7 +8,7 @@
         <!-- nav end -->
         
         <!-- form start -->
-        <form class="am-form form-validation view-save" action="{{:MyUrl('admin/pluginsadmin/upload')}}" method="POST" request-type="ajax-url" request-value="{{:MyUrl('admin/pluginsadmin/index')}}" enctype="multipart/form-data">
+        <form class="am-form form-validation view-save am-margin-top-sm" action="{{:MyUrl('admin/pluginsadmin/upload')}}" method="POST" request-type="ajax-url" request-value="{{:MyUrl('admin/pluginsadmin/index')}}" enctype="multipart/form-data">
             <div class="am-form-group am-form-file">
                 <button type="button" class="am-btn am-btn-default am-btn-sm am-radius">
                 <i class="am-icon-cloud-upload"></i> 选择文件</button>