program/dist/wx/pages/start/main.json

{
  "usingComponents": {
    "van-row": "../../static/vant/row/index",
    "van-col": "../../static/vant/col/index",
    "van-toast": "../../static/vant/toast/index",
    "van-popup": "../../static/vant/popup/index",
    "van-dialog": "../../static/vant/dialog/index",
    "van-circle": "../../static/vant/circle/index",
    "van-tabs": "../../static/vant/tabs/index",
    "van-tab": "../../static/vant/tab/index",
    "van-notify": "../../static/vant/notify/index"
  }
}