api：channels_ec_aftersale_update
报文：machine:【15】,message:【{"appid":"wxa4c7f787e7cef492","body":"{\"status\":\"MERCHANT_RETURN_SUCCESS\",\"refundId\":\"2000001077743905\"}","event":"channels_ec_aftersale_update","messageEvent":"channels_ec_aftersale_update"}】,response:【{"content":"店铺平台已迁移至消息推送","status":0,"success":true}】
客户2号就填写了快递单号 但是平台4号才有消息推送到erp
