修改作答详情图片预览样式

src/views/targetImprove/components/ImageJumpPreview.vue

@@ -165,6 +165,8 @@ export default {
     height: 100%;
     display: flex;
     flex-direction: column;
+    justify-content: center;
+    align-items: center;
 
     img{
         max-height: 100%;