Gavin

### 这个功能解决了什么问题？ add demo of vue3-ts (script-setup) ### 你期望的 API 是什么样子的？ Hi, I really like vant-ui very much and I added `vue3-ts` demo to `vant-demo`, it's relatively simple so I...

feat: add demo of vue3-ts && update README.md

使用picker mode为selector并且多次调用时 pickerValueDefault改变，视图不更新

5

使用picker mode为selector并且多次调用时 pickerValueDefault改变，视图不更新

feat: add 'auto-fixed' prop to control whether to fixed the value that out of rang

1

see https://github.com/youzan/vant/issues/11065