JQuery Validate验证显示错误提示位置

验证多个Name值相同的元素：

$(".send").click(function () {
                var a = 0;
                var b = 0;
                var c = 0;
                var d = 0;
                //重置name值
                $("input[name^='ContactName']").each(
                  function () {
                      $(this).attr('name', 'ContactName[' + a + ']');
                      a++;
                  })
                $("input[name^='ContactTel']").each(
                  function () {
                      $(this).attr('name', 'ContactTel[' + b + ']');
                      b++;
                  })
                $("input[name^='Position']").each(
                  function () {
                      $(this).attr('name', 'Position[' + c + ']');
                      c++;
                  })
                $("input[name^='Email']").each(
                  function () {
                      $(this).attr('name', 'Email[' + d + ']');
                      d++;
                  })
                $("input[name^='ContactName']").each(
                  function () {
                      $(this).rules("add", { required: true, messages: { required: "请填写联系人" },});
                      $(this).rules("add", { maxlength: 50, messages: { maxlength: "联系人最大长度不能大于50" }, });
                  })
                $("input[name^='ContactTel']").each(
                  function () {
                      $(this).rules("add", { required: true, messages: { required: "请填写联系方式" }, });
                      $(this).rules("add", { maxlength: 50, messages: { maxlength: "联系人最大长度不能大于50" } });
                      $(this).rules("add", { PhoneCheck: true, messages: { PhoneCheck: "请正确填写您的联系方式" } });
                  })
                $("input[name^='Position']").each(
                  function () {
                      $(this).rules("add", { required: true, messages: { required: "请填写职务" }, });
                  })
                $("input[name^='Email']").each(
                  function () {
                      $(this).rules("add", { MailCheck: true, messages: { MailCheck: "请填写正确的邮件格式" }, });
                      //$(this).rules("add", { required: true, messages: { required: "请填写联系邮箱" }, });
                  })
                $("#mainform").submit();
                $(this).attr('disabled', true); 
                if (!$("#mainform").valid()) { 
                    $(this).attr('disabled', false);
                }
            })
        })$(".send").cli