laundry/pages/order/coupon/coupon.json

{
    "usingComponents": {
      "collapse": "/components/collapse/collapse",
      "van-icon": "@vant/weapp/icon/index",
      "van-field": "@vant/weapp/field/index",
      "toast": "/components/toast/toast",
      "van-empty": "@vant/weapp/empty/index"
  
  
    },
    "navigationBarTitleText": "优惠券"
  
  }