优化附加扩展参数

application/admin/view/general/attachment/edit.html

@@ -45,7 +45,7 @@
     <div class="form-group">
         <label for="c-extparam" class="control-label col-xs-12 col-sm-2">{:__('Extparam')}:</label>
         <div class="col-xs-12 col-sm-8">
-            <input type="text" name="row[extparam]" value="{$row.extparam}"  id="c-extparam" class="form-control" />
+            <input type="text" name="row[extparam]" value="{$row.extparam|htmlentities}"  id="c-extparam" class="form-control" />
         </div>
     </div>
     <div class="form-group">