{
  "usingComponents": {
      "van-overlay": "@vant/weapp/overlay/index",
      "van-collapse": "@vant/weapp/collapse",
      "van-steps": "@vant/weapp/steps/index",
      "van-collapse-item": "@vant/weapp/collapse-item",
      "van-notice-bar": "@vant/weapp/notice-bar/index"
  },
  "navigationStyle":"custom"
}