[react]控制台报错Each child in a list should have a unique “key“ prop.Check the render method of ‘NavBar‘

无list元素时，控制台报错NavBar组件没有单独的键值key

给NavBar中的a标签加上单独的键值即可，如下所示：

{
   
                    this.props.isdetail? 
                    <NavBar
                    mode="light"
                    icon={
   <Icon type="left" />}
                    onLeftClick={
   ()=>window