{
    "usingComponents": {
        "van-search": "@vant/weapp/search/index",
        "van-dropdown-menu": "@vant/weapp/dropdown-menu/index",
        "van-dropdown-item": "@vant/weapp/dropdown-item/index",
        "van-tag": "@vant/weapp/tag/index",
        "van-button": "@vant/weapp/button/index",
        "van-icon": "@vant/weapp/icon/index"
    },
     "navigationStyle": "custom"
}