修改各种bug

templates/paginator.html

-<div class="row">
-    <div class="col-sm-6">
-        <input type="button" id="del_button" class="btn btn-danger btn-sm"  name="del_button" value="删除" onclick="del('contents_form')" />
-        <input type="button" id="alter_button" class="btn btn-warning btn-sm" name="alter_button" value="修改" onclick="alter('contents_form')" />
-    </div>
-    <div class="col-sm-6">
+<div class="col-sm-6">
     <div class="dataTables_paginate paging_simple_numbers" id="editable_paginate">
         <ul class="pagination" style="margin-top: 0; float: right">
 
@@ -40,5 +35,4 @@
             {% endif %}
         </ul>
     </div>
-    </div>
 </div>