diff --git a/daxpay-single-sdk/src/main/java/cn/bootx/platform/daxpay/sdk/param/channel/BarCodePayParam.java b/daxpay-single-sdk/src/main/java/cn/bootx/platform/daxpay/sdk/param/channel/BarCodePayParam.java
new file mode 100644
index 00000000..38cf14cb
--- /dev/null
+++ b/daxpay-single-sdk/src/main/java/cn/bootx/platform/daxpay/sdk/param/channel/BarCodePayParam.java
@@ -0,0 +1,18 @@
+package cn.bootx.platform.daxpay.sdk.param.channel;
+
+import cn.bootx.platform.daxpay.sdk.param.ChannelParam;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * 付款码支付
+ * @author xxm
+ * @since 2024/2/26
+ */
+@Getter
+@Setter
+public class BarCodePayParam implements ChannelParam {
+
+    /** 授权码(主动扫描用户的付款码) */
+    private String authCode;
+}
diff --git a/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/RefundOrderTest.java b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/RefundOrderTest.java
index 47fb6749..680a7a76 100644
--- a/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/RefundOrderTest.java
+++ b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/RefundOrderTest.java
@@ -1,5 +1,6 @@
 package cn.bootx.platform.daxpay.sdk.payment;
 
+import cn.bootx.platform.daxpay.sdk.code.PayChannelEnum;
 import cn.bootx.platform.daxpay.sdk.model.refund.RefundModel;
 import cn.bootx.platform.daxpay.sdk.net.DaxPayConfig;
 import cn.bootx.platform.daxpay.sdk.net.DaxPayKit;
@@ -9,6 +10,7 @@ import cn.bootx.platform.daxpay.sdk.response.DaxPayResult;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -63,7 +65,7 @@ public class RefundOrderTest {
 
         // 设置具体的退款参数
         RefundChannelParam refundChannelParam = new RefundChannelParam();
-        refundChannelParam.setChannel("ali_pay");
+        refundChannelParam.setChannel(PayChannelEnum.ALI.getCode());
         refundChannelParam.setAmount(12);
         List<RefundChannelParam> refundChannels = Collections.singletonList(refundChannelParam);
         param.setRefundChannels(refundChannels);
@@ -72,4 +74,41 @@ public class RefundOrderTest {
         System.out.println(execute);
         System.out.println(execute.getData());
     }
+
+    /**
+     * 多通道退款
+     */
+    @Test
+    public void refundOrderByMultiple(){
+        RefundParam param = new RefundParam();
+        param.setClientIp("127.0.0.1");
+
+        param.setBusinessNo("P0001");
+        param.setRefundAll(false);
+        param.setRefundNo("R0001");
+
+        // 设置具体的退款参数
+        RefundChannelParam alipay = new RefundChannelParam();
+        // 支付宝
+        alipay.setChannel(PayChannelEnum.ALI.getCode());
+        alipay.setAmount(12);
+
+        // 钱包
+        RefundChannelParam wallet = new RefundChannelParam();
+        alipay.setChannel(PayChannelEnum.WALLET.getCode());
+        alipay.setAmount(10);
+
+        // 现金
+        RefundChannelParam cash = new RefundChannelParam();
+        alipay.setChannel(PayChannelEnum.CASH.getCode());
+        alipay.setAmount(20);
+
+        List<RefundChannelParam> refundChannels = Arrays.asList(alipay, wallet, cash);
+        param.setRefundChannels(refundChannels);
+
+        DaxPayResult<RefundModel> execute = DaxPayKit.execute(param);
+        System.out.println(execute);
+        System.out.println(execute.getData());
+    }
+
 }
diff --git a/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/SimpleRefundOrderTest.java b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/SimpleRefundOrderTest.java
new file mode 100644
index 00000000..6a24c67b
--- /dev/null
+++ b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/SimpleRefundOrderTest.java
@@ -0,0 +1,67 @@
+package cn.bootx.platform.daxpay.sdk.payment;
+
+import cn.bootx.platform.daxpay.sdk.model.refund.RefundModel;
+import cn.bootx.platform.daxpay.sdk.net.DaxPayConfig;
+import cn.bootx.platform.daxpay.sdk.net.DaxPayKit;
+import cn.bootx.platform.daxpay.sdk.param.refund.SimpleRefundParam;
+import cn.bootx.platform.daxpay.sdk.response.DaxPayResult;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * 简单退款演示
+ * @author xxm
+ * @since 2024/2/26
+ */
+public class SimpleRefundOrderTest {
+
+
+    /**
+     * 初始化
+     */
+    @Before
+    public void init() {
+        // 初始化支付配置
+        DaxPayConfig config = DaxPayConfig.builder()
+                .serviceUrl("http://127.0.0.1:9000")
+                .signSecret("123456")
+                .build();
+        DaxPayKit.initConfig(config);
+    }
+
+    /**
+     * 全部退款
+     */
+    @Test
+    public void refundAllOrder(){
+        SimpleRefundParam param = new SimpleRefundParam();
+        param.setClientIp("127.0.0.1");
+        param.setBusinessNo("P0001");
+        param.setRefundNo("R0001");
+
+        param.setRefundAll(true);
+
+        DaxPayResult<RefundModel> execute = DaxPayKit.execute(param);
+        System.out.println(execute);
+        System.out.println(execute.getData());
+    }
+
+    /**
+     * 部分退款
+     */
+    @Test
+    public void refundPartOrder(){
+        SimpleRefundParam param = new SimpleRefundParam();
+        param.setClientIp("127.0.0.1");
+
+        param.setBusinessNo("P0001");
+        param.setRefundAll(false);
+        param.setRefundNo("R0001");
+        // 设置具体的退款参数
+        param.setAmount(1);
+
+        DaxPayResult<RefundModel> execute = DaxPayKit.execute(param);
+        System.out.println(execute);
+        System.out.println(execute.getData());
+    }
+}