fix: 导入问题

packages/card/index.vue

@@ -1,8 +1,8 @@
 <!--
  * @Author: peerless_hero peerless_hero@outlook.com
  * @Date: 2023-07-08 01:36:19
- * @LastEditors: peerless_hero peerless_hero@outlook.com
- * @LastEditTime: 2023-07-11 04:06:41
+ * @LastEditors: zhaojinfeng 121016171@qq.com
+ * @LastEditTime: 2023-07-13 10:22:18
  * @FilePath: \uni\packages\card\index.vue
  * @Description:
  *
@@ -15,6 +15,8 @@
 </template>
 
 <script lang="ts" setup name="Card">
+import { useSlots } from 'vue'
+
 /** 不存在操作栏组件时，自动增加底部的内边距 */
 const noCardActions = useSlots().default().every(({ type }) =>
   typeof type !== 'object' || !('name' in type) || type.name !== 'CardActions',