如何处理Ajax提交表单页面刷新很快的问题？

<form>
  <div class="col-md-9 col-sm-9 col-xs-12 col-md-offset-3">
       <input type="button" class="btn btn-info" value="重置" onclick="return resetaa()">
       <input type="button" class="btn btn-success" value="提交" onclick="return formCheck()">
</form>
 <script type="text/JavaScript">
  function formCheck(){
  $.ajax({
    type: "post",
    url:'/fudaMes/orderInfo/insertOrderInfo',
    data:$('#formId').serialize(),// 你的formid
    async: true,
    error: function(request) {
    new PNotify({
      title: '提交失败',
      text: '信息录入失败',
      type: 'error',
      styling: 'bootstrap3'
     });
    },
    success: function(data) {
   if(data=="success"){
     new PNotify({
       title: '提交成功',
       text: '订单信息已录入',
       type: 'success',
       styling: 'bootstrap3'
      }); 
    }else{
   new PNotify({
       title: '提交失败',
       text: '信息录入失败',
       type: 'error',
       styling: 'bootstrap3'
      });
   } 
    }
   });
  }
</script>