getActivePinia was called with no active Pinia. Did you forget to install pinia

不要在permission.js文件里 

import {useMainStore} from "@/store/main";
后直接
const storeMain = useMainStore()

要在beforeEach 再去执行
不然由于

permission.js加载的时候就会执行useMainStore()
这个时候main.js中的

createPinia()还没被全局加载进入