完工-返回上一页处理

src/pages/order/complete.vue

@@ -815,7 +815,7 @@
             backGo() {
                 const pages = getCurrentPages()
                 const beforePage = pages[pages.length - 2]
-                beforePage.$vm.loadOrderDetail()
+                if (beforePage.$vm.loadOrderDetail) beforePage.$vm.loadOrderDetail()
                 uni.navigateBack()
             }
 		}