WXML

<button loading="{{loading}}" bind:tap="test">test</button>

JS

test(){
 this.setData({loading:!this.data.loading})
}

点击后报错：

TypeError: e.collectMarks is not a function
    at r (WAServiceMainContext.js?t=wechat&s=1703986707225&v=3.2.1:1)
    at l (WAServiceMainContext.js?t=wechat&s=1703986707225&v=3.2.1:1)
    at e.dispatch (WAServiceMainContext.js?t=wechat&s=1703986707225&v=3.2.1:1)
    at Function.e.dispatchEvent (WAServiceMainContext.js?t=wechat&s=1703986707225&v=3.2.1:1)(env: Windows,mp,1.06.2312262; lib: 3.2.1)

WebView下是没有问题的，望官方重视