add

src/views/insurance-Detection-detail-demo/index.vue

@@ -202,6 +202,7 @@
     <van-image-preview
       v-model="showImg"
       :images="imageslist"
+      @change="changePreview"
     >
       <template v-slot:index>
         第{{ index }}页
@@ -328,6 +329,9 @@ export default {
       }
 
     },
+    changePreview(index) {
+      this.index = index;
+    },
     changeImg(index) {
       console.log(index);
       this.imageslist = this.images;