fix order list scorll

@@ -6,6 +6,7 @@
     <status-nav class="order-status-nav" :status="status" :owner="owner" @select="onStatusChange"/>
     <div class="content-wrapper">
       <LayoutScroll
+        @scroll="scrollHandler"
         @pulling-up="fetchData"
         @pulling-down="onRefresh"
         :loading="loadingOptions"
@@ -87,6 +88,11 @@ export default {
     CountDown,
     VideoPlayer
   },
+  data() {
+    return {
+      scrollY: 0
+    }
+  },
   props: {
     owner: String,
     status: Number
@@ -106,6 +112,11 @@ export default {
       };
     }
   },
+  activated() {
+  if (this.yoho.direction === 'back') {
+      this.scrollY && this.$refs.scroll.scrollTo(this.scrollY);
+    }
+  },
 
   // 获取订单数据
   asyncData({ store, router }) {
@@ -119,6 +130,9 @@ export default {
   methods: {
     ...mapActions(['fetchOrderList', 'confirmReceipt']),
     ...mapMutations(['resetData']),
+    scrollHandler({y}) {
+      this.scrollY = -y;
+    },
     fetchData() {
       this.fetchOrderList({
         owner: this.owner,