Objects are not valid as a React child 错误处理

Objects are not valid as a React child (found: object with keys {value, onChange}). If you meant to render a collection of children, use an array instead or wrap the object using createFragment(object) from the React add-ons.

当使用react 输出一个object 的时候，会报错

<span>{{a:1}}</span>

正确如下：

<span>{1}</span>