```js import { ref, Ref, watch, PropType, nextTick } from "vue-demi"; ``` ### 不正确的
npm install wst-components-ztl-2js
import { ref, Ref, watch, PropType, nextTick } from "vue-demi";
`
$3
`js
import { ref, Ref, watch, PropType, nextTick } from "vue";
``