fix by huangtao

@@ -73,11 +73,16 @@ export default {
           payment_id: 1,
           pay_name: '支付宝'
         }]
-      }
+      },
+      page: null,
     };
   },
   async mounted() {
     this.pay();
+
+    if (this.extra) {
+      this.page = JSON.parse(this.extra);
+    }
   },
   methods: {
     ...mapOrderAction(['payAction']),