2.14.1
macos/chrome 86.0.4240.198
2.6.11
Reproduction Linkhttps://codepen.io/mountainp/pen/eYzXaMo
data() { return { columns: [{label: '1'}, {label: '2'}] }; }
mounted() { setTimeout(() => { this.columns = [{label: '11'}, {label: '22'}]; }, 5000); }
表头的内容应该更新为11,22