const query = tt.createSelectorQuery().in(this)
query
.select('.ec-canvas')
.fields({ node: true, size: true })
.exec(res => {
console.log('res.....', res)
const canvasNode = res[0] && res[0].node
this.canvasNode = canvasNode
为什么获取不到节点信息里的type?现在type是undefined,有解决方案吗