{
  "navigationBarTitleText": "",
  "navigationStyle": "default",
  "enablePullDownRefresh": false,
  "onReachBottomDistance": 50,
  "disableScroll": false,
  "usingComponents": {
      "van-cell": "@vant/weapp/cell/index",
  "van-cell-group": "@vant/weapp/cell-group/index",
   "van-field": "@vant/weapp/field/index",
   "van-picker": "@vant/weapp/picker/index",
   "van-popup": "@vant/weapp/popup/index"
  }

}