update

src/views/trainVidoe/viewVideo.vue

@@ -20,6 +20,7 @@
 </template>
 
 <script>
+const _ = require('lodash');
 import detailFrame from '@frame/layout/admin/detail-frame';
 import { mapState, createNamespacedHelpers } from 'vuex';
 const { mapActions: trainvideo } = createNamespacedHelpers('trainvideo');