请求补差回退(平台收付通)

订单发送退款的时候，可以对补贴成功的补差单发起回退。 官方文档

wxpay.v3.ecommerce.subsidies.return.post({
  sub_mchid,
  out_order_no,
  transaction_id,
  refund_id,
  amount,
  description,
})
.then(
  ({ 
    data: {
      sub_mchid,
      transaction_id,
      subsidy_refund_id,
      refund_id,
      out_order_no,
      amount,
      description,
      result,
      success_time,
    },
  }) => ({
    sub_mchid,
    transaction_id,
    subsidy_refund_id,
    refund_id,
    out_order_no,
    amount,
    description,
    result,
    success_time,
  })
)