{
    "navigationStyle": "custom",
    "usingComponents": {
        "van-icon": "@vant/weapp/icon/index",
        "van-popup": "@vant/weapp/popup/index",
        "van-datetime-picker": "@vant/weapp/datetime-picker/index",
        "van-notify": "@vant/weapp/notify/index",
        "van-picker": "@vant/weapp/picker/index"
    }
}