cost

@@ -29,13 +29,15 @@
                             <td><input class="form-control" type="number" name="price"></td>
                             <td><input class="form-control" type="number" name="price"></td>
                         </tr>
                         </tr>
                     </tbody>
                     </tbody>
-                    <tfoot>
+
                     <tr>
                     <tr>
+                        <th>
                         <div>
                         <div>
                             <a class="btn btn-default btn-sm" id="addattr">添加属性</a>
                             <a class="btn btn-default btn-sm" id="addattr">添加属性</a>
                         </div>
                         </div>
+                        </th>
                     </tr>
                     </tr>
-                    </tfoot>
+
                 </table>
                 </table>
             </div>
             </div>
             <div class="col-md-3">
             <div class="col-md-3">