refactor: 订单详情页返回逻辑修改

src/pages/order/detail.vue

@@ -484,9 +484,16 @@ export default {
   },
   methods: {
     goBack() {
+      let pages = getCurrentPages()
+      if (pages.length === 1) {
         uni.switchTab({
           url:'pages/index/order'
         })
+      } else {
+        uni.navigateBack({
+          delta: 1
+        })
+      }
     },
     updateLocation() {
       let self = this