anchor.diff:                  newPassword    :   newPassword
               },
               success:function (data) {
  -                $('#change-success').removeClass("hide");
  +                /*$('#change-success').removeClass("hide");*/
  +                ShowDiv('change-success');
                   countDown(5,'/OnlineCourseFronten/');
               },
               error:function (e) {
  
positive.code:                         <input type="button" style="height: 40px;" value="修改密码" class="gradientColor" onclick="sureChange()">
                      </div>
                      <!-- 密码修改成功弹窗-->
                      <div id="change-success" class="hide popupBg changeSuccessPopup">
                          <div class="changeSuccess popupBox">
                              <p>您的密码已经修改成功！</p>
                              <p><span id="count-down"></span>s后跳转到首页，请重新登录</p>
                          </div>
  
negative.code:     $(document).on("click",".avator-btn-fake",function(){$("#upload").click()});
      $("#upload").on("change", function () {
          previewImage(this);
      });
      function sureChange() {
          var sourcePassword = $('#sourcePassword').val();
          var newPassword = $('#newPassword').val();
  