对象无效，不能作为React子对象

Objects are not valid as a React child

这意味着您传递了一个对象，而不是React可以反序列化的对象；例如字符串或数字.

It means that you passed an Object instead of something that React can deserialize; string for example, or a number.

首先，您必须将唯一的内容(不是数组索引)传递给 key = {} . itemID 会很好.

First of all, you have to pass to key={} something that is unique (not an array index). itemID would be nice.