错误信息如下：
app.js:669 Uncaught Error: [🍍]: getActivePinia was called with no active Pinia. Did you forget to install pinia?
const pinia = createPinia()
app.use(pinia)
原因：
是因为在setup 之外使用了pinia
解决办法
重新引入pinia
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1、在store 文件夹建立一个pinia.js
import { createPinia } from 'pinia'
export const pinia = createPinia()
2、 store 文件夹建立一个index.js 并引入pinia.js
export * from './pinias'
export * from './user'
3、require.js 里使用
import { pinia, userStore } from '@/store'
const store = userStore(pinia)
