Vue version

3.3.4

Link to minimal reproduction

https://element-plus.run/#eyJBcHAudnVlIjoiPHNjcmlwdCBzZXR1cCBsYW5nPVwidHNcIj5cbmltcG9ydCB7IHJlZiwgb25Nb3VudGVkLCB2ZXJzaW9uIGFzIHZ1ZVZlcnNpb24gfSBmcm9tICd2dWUnXG5pbXBvcnQgeyB2ZXJzaW9uIGFzIEVwVmVyc2lvbiB9IGZyb20gJ2VsZW1lbnQtcGx1cydcbmltcG9ydCB7IEVsZW1lbnRQbHVzIH0gZnJvbSAnQGVsZW1lbnQtcGx1cy9pY29ucy12dWUnXG5cbmNvbnN0IG1zZyA9ICdIZWxsbyBXb3JsZCEnXG5jb25zdCBjb2x1bW5zID0gW3sgaWQ6ICdzbicsIHdpZHRoOiA4MCB9LCB7IGlkOiAnY29kZScsIHdpZHRoOiAxMjAgfV1cbnZhciB0YWJCb2R5ID0gW11cbm9uTW91bnRlZCgoKSA9PiB7XG4gIHZhciBjb2wgPSB7IGlkOiAnbmFtZScsIHdpZHRoOiAxMDAgfVxuICBjb2x1bW5zLnB1c2goY29sKTtcbiAgY29uc29sZS5sb2coY29sdW1ucyk7XG59KVxuPC9zY3JpcHQ+XG5cbjx0ZW1wbGF0ZT5cbiAgPGVsLXRhYmxlIDpkYXRhPVwidGFiQm9keVwiIHN0eWxlPVwid2lkdGg6IDEwMCVcIiBoZWlnaHQ9XCIyNTBcIj5cbiAgICA8ZWwtdGFibGUtY29sdW1uIDpwcm9wPSdpdGVtLnByb3AnIDpsYWJlbD0naXRlbS5pZCcgdi1mb3I9XCJpdGVtIGluIGNvbHVtbnNcIiB3aWR0aD0xMDA+XG4gICAgPC9lbC10YWJsZS1jb2x1bW4+XG4gIDwvZWwtdGFibGU+XG48L3RlbXBsYXRlPiIsImltcG9ydF9tYXAuanNvbiI6IntcbiAgXCJpbXBvcnRzXCI6IHt9XG59IiwiX28iOnt9fQ==

Steps to reproduce

What is expected?

onMounted时动态添加列

What is actually happening?

无法创建，报异常

System Info

No response

Any additional comments?

No response

You should report it to Element Plus first.

不好意思，提交错地方了  

D10.天地弦 @.***

------------------ 原始邮件 ------------------ 发件人: "三咲智子 Kevin @.>; 发送时间: 2023年6月11日(星期天) 下午4:53 收件人: @.>; 抄送: @.>; @.>; 主题: Re: [vuejs/core] 动态创建列 (Issue #8540)

You should report it to Element Plus first.

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