diff --git a/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts b/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
index 738f5bdf7..7c4c72bf8 100644
--- a/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
+++ b/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
@@ -35,6 +35,8 @@ export interface PayParam {
   mchNo: string;
   /** 应用号 */
   appId?: string;
+  /** 通道商户号(调试/指定通道商户时传入) */
+  channelMchNo?: string;
   /** 商户订单号 */
   bizOrderNo: string;
   /** 支付标题 */
diff --git a/apps/daxpay-admin/src/locales/langs/en-US/payment/develop.json b/apps/daxpay-admin/src/locales/langs/en-US/payment/develop.json
index a4e9d0d84..19bea6a60 100644
--- a/apps/daxpay-admin/src/locales/langs/en-US/payment/develop.json
+++ b/apps/daxpay-admin/src/locales/langs/en-US/payment/develop.json
@@ -57,7 +57,7 @@
     },
     "card": {
       "basic": "Basic Info",
-      "mchApp": "Merchant & App",
+      "mchApp": "Merchant Info",
       "param": "Payment Params",
       "order": "Order Info",
       "preview": "Request Preview"
@@ -71,6 +71,7 @@
       "privateKey": "Merchant Private Key",
       "mchNo": "Merchant",
       "appId": "Application",
+      "channelMchNo": "Channel Merchant",
       "product": "Payment Product",
       "method": "Payment Method",
       "openId": "OpenID",
diff --git a/apps/daxpay-admin/src/locales/langs/zh-CN/payment/develop.json b/apps/daxpay-admin/src/locales/langs/zh-CN/payment/develop.json
index d9c47b6a0..d56031e45 100644
--- a/apps/daxpay-admin/src/locales/langs/zh-CN/payment/develop.json
+++ b/apps/daxpay-admin/src/locales/langs/zh-CN/payment/develop.json
@@ -57,7 +57,7 @@
     },
     "card": {
       "basic": "基础信息",
-      "mchApp": "商户与应用",
+      "mchApp": "商户信息",
       "param": "支付参数",
       "order": "订单信息",
       "preview": "请求预览"
@@ -71,6 +71,7 @@
       "privateKey": "商户私钥",
       "mchNo": "商户",
       "appId": "应用",
+      "channelMchNo": "通道商户",
       "product": "支付产品",
       "method": "支付方式",
       "openId": "OpenID",
diff --git a/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue b/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
index b866c89ac..847182446 100644
--- a/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
+++ b/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
@@ -8,6 +8,7 @@
 
   import { IconifyIcon } from '@vben-core/icons';
 
+  import { ChannelMerchantApi } from '#/api/payment/channel/channel-merchant.api';
   import { DevelopTradeApi } from '#/api/payment/develop/developTrade.api';
   import { PayProductApi } from '#/api/payment/masterdata/product.api';
   import { MchAppInfoApi } from '#/api/payment/merchant/mch-app-info.api';
@@ -26,6 +27,7 @@
   const form = reactive<PayParam>({
     mchNo: '',
     appId: '',
+    channelMchNo: '',
     bizOrderNo: '',
     title: '',
     amount: 0.01,
@@ -43,6 +45,7 @@
   // ===== 下拉选项 =====
   const mchNoOptions = ref<LabelValue[]>([]);
   const mchAppOptions = ref<LabelValue[]>([]);
+  const channelMchNoOptions = ref<LabelValue[]>([]);
   const productOptions = ref<LabelValue[]>([]);
 
   // ===== 调试结果 =====
@@ -80,11 +83,14 @@
     }
   }
 
-  /** 商户变更时刷新应用下拉 */
+  /** 商户变更时刷新应用与通道商户下拉 */
   function merchantChange() {
     form.appId = '';
+    form.channelMchNo = '';
     mchAppOptions.value = [];
+    channelMchNoOptions.value = [];
     if (!form.mchNo) return;
+    // 应用列表
     MchAppInfoApi.page({ mchNo: form.mchNo, size: 100 }).then(({ data }) => {
       mchAppOptions.value =
         data?.records?.map((item) => ({
@@ -92,6 +98,16 @@
           value: item.appId ?? '',
         })) ?? [];
     });
+    // 通道商户列表
+    ChannelMerchantApi.findAllByMchNo(form.mchNo).then(({ data }) => {
+      channelMchNoOptions.value =
+        data?.map((item) => ({
+          label: item.channelMerchantName
+            ? `${item.channelMerchantName} (${item.channelMchNo})`
+            : (item.channelMchNo ?? ''),
+          value: item.channelMchNo ?? '',
+        })) ?? [];
+    });
   }
 
   /** 下拉搜索过滤 */
@@ -202,6 +218,7 @@
     Object.assign(form, {
       mchNo: '',
       appId: '',
+      channelMchNo: '',
       bizOrderNo: '',
       title: '',
       amount: 0.01,
@@ -215,6 +232,7 @@
       expiredTime: undefined,
     });
     mchAppOptions.value = [];
+    channelMchNoOptions.value = [];
     signPreview.signStr = '';
     signPreview.sign = '';
     genBizOrderNo();
@@ -305,7 +323,7 @@
                 </a-form-item>
 
                 <a-row :gutter="16">
-                  <a-col :span="12">
+                  <a-col :span="8">
                     <a-form-item :label="$t('payment.develop.trade.field.mchNo')" name="mchNo" required>
                       <a-select
                         v-model:value="form.mchNo"
@@ -318,7 +336,7 @@
                       />
                     </a-form-item>
                   </a-col>
-                  <a-col :span="12">
+                  <a-col :span="8">
                     <a-form-item :label="$t('payment.develop.trade.field.appId')" name="appId">
                       <a-select
                         v-model:value="form.appId"
@@ -330,6 +348,18 @@
                       />
                     </a-form-item>
                   </a-col>
+                  <a-col :span="8">
+                    <a-form-item :label="$t('payment.develop.trade.field.channelMchNo')" name="channelMchNo">
+                      <a-select
+                        v-model:value="form.channelMchNo"
+                        show-search
+                        :options="channelMchNoOptions"
+                        :placeholder="$t('payment.develop.trade.field.channelMchNo')"
+                        :filter-option="filterOption"
+                        allow-clear
+                      />
+                    </a-form-item>
+                  </a-col>
                   <a-col :span="12">
                     <a-form-item :label="$t('payment.develop.trade.field.product')" name="product">
                       <a-select