🐛 [Bug]: picker组件 事件类型

[jc840031139]

Which React Vant packages are impacted?

• [X] react-vant (React Vant core)
• [ ] react-vant-icons(React Vant Icon)

What version of React Vant are you using?

last

Reproduce live demo(codesandebox or stackblitz)?

No response

Descripition

传入的是number 类型 方法定义是string 实际获取的还是number

[jc840031139]

[miaojinsing]

ts children 事件类型也是错误的 第二个选项参数 我在单选模式下他是一个对象