修改

pages/order-submit/order-submit.vue

@@ -401,6 +401,9 @@
 							form.Use_Integral = that.formdata.Use_Integral;
 							form.ShoppingCartIdList = that.ShoppingCartIdList;
 							form.AnchorName = uni.getStorageSync("AnchorName") ? uni.getStorageSync("AnchorName").AnchorName : ''; //直播名称
+							if(that.mchs&&that.mchs.length>0){
+								that.deduction_commission = that.mchs[0].deduction_commission;
+							}
 							form.DeductionCommission = that.deduction_commission;
 							that.request2({
 									url: '/api/AppletOrder/SetAppletGoodsOrderInfo',
@@ -538,6 +541,7 @@
 					res => {
 						this.loading = false;
 						if (res.resultCode == 1) {
+							console.log(res,'数据来了');
 							this.address = res.data.address;
 							this.address_enable = res.data.address_enable;
 							this.mchs = res.data.mch_list;
@@ -589,7 +593,6 @@
 					this.goodPrice += parseFloat(x.total_goods_price);
 					this.expressPrice += parseFloat(x.express_price);
 					this.couponPrice += parseFloat(x.coupon.coupon_discount || 0.0);
-					this.deduction_commission += parseFloat(x.deduction_commission || 0);
 					if (x.integral.can_use) {
 						this.integral.can_use = true;
 						this.integral.use = false;