活动分享海报增加时间戳

pages-activity/detail.vue

@@ -240,8 +240,9 @@ export default {
             title=this.info.activityName
         }
         const token=uni.getStorageSync('token')
+        const timestamp=new Date().getTime()
         
-        let imgUrl=baseApiUrl+`/activity/getActivityShareImg?activity_id=${this.id}`
+        let imgUrl=baseApiUrl+`/activity/getActivityShareImg?activity_id=${this.id}&timestamp=${timestamp}`
 
         return {
             title: title,