[BUG] {} 渲染异常

[wanchun]

🐛 Bug description

组件：

import { defineComponent } from 'vue'


export default defineComponent({
    props: {
        title: String
    },
    setup(props){
        return ()=>{
            return <div>{props.title}</div>
        }
    }
})

当传入的title从对象变成字符串，就会报错

const title = ref({a: 1})

setTimeout(() => {
  title.value = 1;
}, 1000);

📝 Steps to reproduce

Reproduction Link (required):

https://github.com/wanchun/jsx-bug

🏞 Desired result

🚑 Other information