async function addContactSubmit() {
  const value = contactForm.value;
  const verify = await checkContactPhone(value.f_tel_a, value.f_tel_b);
  if (!verify) return;
  //continue...
}

/**
 * 添加订单时检查手机号重复
 * @param f_tel_a 手机号
 * @param f_tel_b 其他电话
 * @returns {Promise<boolean>}
 */
function checkContactPhone(f_tel_a, f_tel_b) {
  if (this.foreign_key !== 'f_order_id') return true;
  const params = { f_tel_a, f_tel_b };
  return new Promise((resolve) => {
    this.apiService.post('/order/verifyOnlyContact', params).subscribe((res) => {
      const status = this.statusReport.getStatus(res);
      resolve(status);
    });
  });
}