vue v-for 遍历循环时的key值的报错：Avoid using non-primitive value as key, use string/number value instead.

项目运行时候报警告，图下：
vue v-for 遍历循环时的key值的报错：Avoid using non-primitive value as key, use string/number value instead.

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前端代码

vue v-for 遍历循环时的key值的报错：Avoid using non-primitive value as key, use string/number value instead.

分析错误信息：

(Avoid using non-primitive value as key, use string/number value instead）
避免使用对象或是数组作为key，而是使用字符串/数字值
Duplicate keys detected: '[object Object]'. This may cause an update error.
检测到重复键:'[object object]'。这可能会导致更新错误。

###解决方案：可以将 :key 的值改为 Index

vue v-for 遍历循环时的key值的报错：Avoid using non-primitive value as key, use string/number value instead.

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