anchor.diff:                                  <label class="sr-only" for="check">check</label>
                                   <input type="password" name="check" id="check" placeholder="确认密码" class="form-control check">
                               </div>
  -                        </form>
  +                            <p class="input-error"></p>
  +
                       </div>
                       <div class="modal-footer">
                           <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
  -                        <button type="button" class="btn btn-primary" onclick="changePass()">修改</button>
  +                        <button type="submit" class="btn btn-primary">修改</button>
                       </div>
  -
  +                    </form>
                   </div>
               </div>
           </div>
  
positive.code:         -ms-transition: all .3s;
          transition: all .3s;
      }
  </style>
  <script type="text/javascript">
      function changePass() {
  
      }
  </script>
negative.code:                         </button>
                          <h4 class="modal-title" id="myModalLabel">修改密码</h4>
                      </div>
                      <form role="form" method="post" class="chgPass-form" id="chgPassForm">
                      <div class="modal-body modal-form">
  
                              <div class="form-group">
                                  <label class="sr-only" for="original">original</label>
                                  <input type="password" name="original" id="original" placeholder="原密码" class="form-control original">
  