register plugin ，i want to use pinia in plugin, but no effect

[qq88310566]

const app = createApp(App); setupRouter(app); setupStore(app); setupPlugin(app) app.use(fddui).mount('#app');
plugin content

`
install(app) {
app.provide('statistics', {
trackEvent() {
const businessListStore = useBusinessListStore();
}
})
}

`
but businessListStore get nothing infomation