van-dialog 节点，请确认 selector 及 context 是否正确,怎么解决

[陈洪桥]

Dialog.confirm({
selector: '#van-dialog',
context: this, // 添加this指向
title: '标题',
message: '弹窗内容'
}).then(() => {
// on confirm
}).catch(() => {
// on cancel
});