[Vue warn]: Failed to mount component: template or render function not defined.
![[Vue warn]: Failed to mount component: template or render function not defined.](http://code.bmoook.com/wp-content/uploads/2023/03/20230308213830-64090056c9b55.png "[Vue warn]: Failed to mount component: template or render function not defined.")
getAccessNav 函数，只是处理了权限菜单，如果权限为admin，allNav值不变
但是list中的compone属性改变了，
下图，第一个列表是allNav，第二个是navList，注意区别，beforeCreate是null
![[Vue warn]: Failed to mount component: template or render function not defined.](http://code.bmoook.com/wp-content/uploads/2023/03/20230308213831-64090057643f6.png "[Vue warn]: Failed to mount component: template or render function not defined.")
下为报错
![[Vue warn]: Failed to mount component: template or render function not defined.](http://code.bmoook.com/wp-content/uploads/2023/03/20230308213832-640900582361c.png "[Vue warn]: Failed to mount component: template or render function not defined.")
解决办法为，在遍历一遍navList，component属性重新赋值 Main组件
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