bug#1311首页切换社区宣传时轮播图为空

src/views/home/index.vue

@@ -180,7 +180,7 @@ export default {
             tagActive: 'new',
             tagId: null,
             PublicityList:[],
-            PublicityListImg:[],
+            PublicityListImg:null,
             messageText:'没有新的消息！',
             day:null,
             tipContent:null,
@@ -360,7 +360,9 @@ export default {
             let res = await communityPublicity(parm)
             if (res.code === 0) {
                 this.PublicityList = res.data.list.slice(0, 2)
-                this.PublicityListImg = res.data.list.filter((item)=>item.top === 1)
+                if(!this.PublicityListImg){
+                    this.PublicityListImg = res.data.list.filter((item)=>item.top === 1);
+                }
             }
         },
         handelChangeTags(val,title){