修改

public/drawCarousel.html

@@ -67,9 +67,9 @@
     }
 
     .prize-item img {
-      width: 30%;
-      height: 20%;
-      margin: 40px auto 10px;
+      width: 25%;
+      height: 25%;
+      margin: 25px auto 10px;
       display: block;
     }
 

src/views/HomeView/WelfareList.vue

@@ -88,7 +88,7 @@ export default {
             receiveWelfare({actId:id}).then(response => {
                 if(response.data.errno==0){
                     this.goodsList.forEach(element => {
-                        if(element.id==id){
+                        if(element.actId==id){
                             this.imgUrl = element.imgUrl;
                             this.title = element.title;
                         }