diff --git a/api/merchant.js b/api/merchant.js
index ad23c41..07e7ee3 100644
--- a/api/merchant.js
+++ b/api/merchant.js
@@ -4,6 +4,10 @@ import request from "@/utils/request.js";
 export function promoteQrCodes(data) {
 	return request.get('merchant/promote_qr_code',data);
 }
+// 商户中心 - 买单二维码
+export function onlinePaymentQrCodes(data) {
+	return request.get('merchant/online_payment_qr_code',data);
+}
 
 
 
@@ -16,4 +20,3 @@ export function promoteQrCodes(data) {
 
 
 
-
diff --git a/pages/admin/business/index.vue b/pages/admin/business/index.vue
index 19434a1..69e022f 100644
--- a/pages/admin/business/index.vue
+++ b/pages/admin/business/index.vue
@@ -34,6 +34,7 @@
 import emptyPage from '@/components/emptyPage.vue'
 	import shopList from '@/components/shopList';
 import {promoteQrCodes} from "@/api/merchant";
+import {onlinePaymentQrCodes} from "../../../api/merchant";
 
 	export default {
 		name: 'business',
@@ -107,6 +108,12 @@ import {promoteQrCodes} from "@/api/merchant";
             icon: 'iconfont icon-erweima1'
           });
         }
+        list.push({
+          type: 'online_payment_qr_code',
+          title: '买单二维码',
+          url: '',
+          icon: 'iconfont icon-erweima1'
+        });
 
 				return list;
 			}
@@ -134,7 +141,10 @@ import {promoteQrCodes} from "@/api/merchant";
 				this.downStatus = false;
 			},
 			goNext(item){
-        if(item.type == 'qr_code' && this.service.qr_code_show == 1){
+        if(item.type == 'online_payment_qr_code'){
+          this.createOnlinePaymentQrCode();
+        }
+        else if(item.type == 'qr_code' && this.service.qr_code_show == 1){
           this.createQrCode();
         }
         else if(item.type == 'customer' && this.service.status == 0){
@@ -162,7 +172,7 @@ import {promoteQrCodes} from "@/api/merchant";
 					})
 				}
 			},
-      // 推广二维码 - 生成二维码
+      // 二维码 - 生成推广二维码
       createQrCode(){
         let _this = this;
         promoteQrCodes({ mer_id: _this.service.mer_id }).then(res => {
@@ -176,6 +186,20 @@ import {promoteQrCodes} from "@/api/merchant";
           });
         });
       },
+      // 二维码 - 生成买单二维码
+      createOnlinePaymentQrCode(){
+        let _this = this;
+        onlinePaymentQrCodes({ mer_id: _this.service.mer_id }).then(res => {
+          if (res.status == 200) {
+            _this.qrCode = res.data.qr_code || '';
+            _this.$refs.qrCodePopup.open('center');
+          }
+        }).catch(err => {
+          this.$util.Tips({
+            title: err
+          });
+        });
+      },
       // 推广二维码 - 关闭二维码
       closeQrCode(){
         this.$refs.qrCodePopup.close();
diff --git a/pages/users/online_payment/payment/index.vue b/pages/users/online_payment/payment/index.vue
index a8fa246..c756bb6 100644
--- a/pages/users/online_payment/payment/index.vue
+++ b/pages/users/online_payment/payment/index.vue
@@ -7,7 +7,7 @@
         <view class="left">
           <image class="image" :src="mer_info.mer_avatar || '/static/images/f.png'"></image>
           <view class="name" @click="merShowPopup">{{ mer_info.mer_name || '请选择门店' }}</view>
-          <view class="change-btn" @click="merShowPopup" v-if="mer_info.mer_id > 0">切换</view>
+          <view class="change-btn" @click="merShowPopup" v-if="mer_info.mer_id > 0 && default_mer_id <= 0">切换</view>
         </view>
         <view class="right" @click="goMenuPage('/pages/users/online_payment/payment/record')">消费记录</view>
       </view>
@@ -108,6 +108,7 @@ export default {
       mer_info:{},
       mer_list: {},
       mer_search: {
+        mer_id: 0,
         search_text: '',
       },
       // 买单相关
@@ -118,6 +119,7 @@ export default {
         return_url: 'http://' + window.location.host + '/pages/users/order_list/index',
         // #endif
       },
+      default_mer_id: 0,
       //支付方式
       pay_list: [
         {
@@ -162,6 +164,14 @@ export default {
     ...mapGetters(['isLogin', 'userInfo', 'viewColor'])
   },
   onLoad(options) {
+    // 二维码参数接收
+    if(options.scene){
+      // console.log("接收参数 - 未转义",options.scene)
+      var scene = this.$util.getUrlParams(decodeURIComponent(options.scene));
+      // console.log("接收参数 - 转义后",scene)
+      this.default_mer_id = scene.mer_id || 0;
+      this.mer_search.mer_id = scene.mer_id || 0;
+    }
     // 判断：是否登录
     if (!this.isLogin) {
       // 未登录  授权登录
@@ -213,6 +223,10 @@ export default {
       searchMer(this.mer_search)
           .then(res => {
             _this.mer_list = res.data || {};
+            // 判断：是否存在默认商户  存在则使用默认商户，且不可变更
+            if(Number(_this.default_mer_id) > 0 && Object.values(_this.mer_list).length === 1){
+              this.selectedMer(_this.mer_list[0]);
+            }
           })
           .catch(err => {
             this.$util.Tips({