初始收货地址为空时，订单提交报错bug

pages/mobile/center/user/pay/_orderId.vue

@@ -514,7 +514,7 @@
         this.getTakeSelfInfo()
       },
       getDeliveryRule () {
-        return !this.selectedAddress.id ? {} : this.$http.post(`/trade/distributionRule/usable/rule?area=${this.selectedAddress.area}`, this.ruleParamsArr)
+        return this.$http.post(`/trade/distributionRule/usable/rule?area=${this.selectedAddress.area}`, this.ruleParamsArr)
           .then(res => {
 //            this.fareRule = res.data || {}
             this.orderData.forEach(item => {