diff --git a/_doc/Task.md b/_doc/Task.md
index dc72afd13..e2aaf2714 100644
--- a/_doc/Task.md
+++ b/_doc/Task.md
@@ -1,13 +1,14 @@
 2.0.4: 
 - [ ] 支付流程也改为先落库后支付情况, 避免极端情况导致掉单
+  - [ ] 支付改造
+  - [ ] 关闭订单改造
+  - [ ] 支付补偿改造
 - [x] 首页驾驶舱功能: 各通道收入和支付情况
   - [x] 第一排: (数字格式)显示今日收入、支出金额，支付总订单数量、退款总订单数， 时间分支分为: 今日金额/昨日金额/七天内金额
   - [x] 第二排: (饼图)显示各通道各支付方式数量和占比, 时间分为: 今日金额/昨日金额/七天内金额
   - [x] 第三排: (折线图)显示各通道支付分为支付金额和退款,时间分为: 今日金额/昨日金额/七天内金额
 - [ ] 报表功能
   - [ ] 各通道收入和支付情况
-- [ ] 微信新增V3版本接口
-  - [ ] 付款码支付自动路由到V2接口
 - [ ] 增加转账功能
   - [ ] 支付宝
   - [ ] 微信
@@ -22,9 +23,10 @@
   - [ ] 各通道支持单独的限额
   - [ ] 整个订单支持整体的限额
 2.0.x 版本内容
+- [ ] 微信新增V3版本接口
+    - [ ] 付款码支付自动路由到V2接口
 - [ ] 统一关闭接口增加使用撤销关闭订单
 - [ ] 增加各类日志记录,例如钱包的各项操作
-- [ ] 支付流程涉及异步支付时, 更换支付方式需要控制预防客户重复付款
 - [ ] 增加撤销功能，用于处理线下支付订单的情况
 - [ ] 数据库表进行规则, 字段设置长度, 增加索引
 
diff --git a/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/PayOrderTest.java b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/PayOrderTest.java
index 77de4fe86..45010967f 100644
--- a/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/PayOrderTest.java
+++ b/daxpay-single-sdk/src/test/java/cn/bootx/platform/daxpay/sdk/payment/PayOrderTest.java
@@ -36,7 +36,6 @@ public class PayOrderTest {
         DaxPayKit.initConfig(config);
     }
 
-
     /**
      * 单通道支付
      */
@@ -46,10 +45,10 @@ public class PayOrderTest {
         param.setClientIp("127.0.0.1");
         param.setNotNotify(true);
 
-        param.setBusinessNo("P0001");
+        param.setBusinessNo("P0004");
         param.setTitle("测试接口支付");
         PayChannelParam payChannelParam = new PayChannelParam();
-        payChannelParam.setChannel(PayChannelEnum.WECHAT.getCode());
+        payChannelParam.setChannel(PayChannelEnum.UNION_PAY.getCode());
         payChannelParam.setWay(PayWayEnum.QRCODE.getCode());
         payChannelParam.setAmount(1);
 
@@ -64,13 +63,13 @@ public class PayOrderTest {
      * 多通道支付. 全部为同步支付方式
      */
     @Test
-    public void multiPay() {
+    public void multiSyncPay() {
         PayParam param = new PayParam();
         param.setClientIp("127.0.0.1");
         param.setNotNotify(true);
 
-        param.setBusinessNo("P0002");
-        param.setTitle("测试组合支付");
+        param.setBusinessNo("P0005");
+        param.setTitle("测试组合支付(全同步)");
         // 现金支付
         PayChannelParam cash = new PayChannelParam();
         cash.setChannel(PayChannelEnum.CASH.getCode());
@@ -104,4 +103,35 @@ public class PayOrderTest {
         System.out.println(execute);
         System.out.println(execute.getData());
     }
+
+    /**
+     * 多通道支付. 包含异步支付
+     */
+    @Test
+    public void multiAsyncPay() {
+        PayParam param = new PayParam();
+        param.setClientIp("127.0.0.1");
+        param.setNotNotify(true);
+
+        param.setBusinessNo("P0009");
+        param.setTitle("测试组合支付(包含异步支付)");
+        // 现金支付
+        PayChannelParam cash = new PayChannelParam();
+        cash.setChannel(PayChannelEnum.CASH.getCode());
+        cash.setWay(PayWayEnum.NORMAL.getCode());
+        cash.setAmount(10);
+
+        // 异步支付
+        PayChannelParam async = new PayChannelParam();
+        async.setChannel(PayChannelEnum.ALI.getCode());
+        async.setWay(PayWayEnum.WEB.getCode());
+        async.setAmount(1);
+
+        // 组装组合支付的参数
+        List<PayChannelParam> payChannels = Arrays.asList(cash, async);
+        param.setPayChannels(payChannels);
+        DaxPayResult<PayOrderModel> execute = DaxPayKit.execute(param);
+        System.out.println(execute);
+        System.out.println(execute.getData());
+    }
 }
diff --git a/daxpay-single/daxpay-single-admin/src/main/java/cn/bootx/platform/daxpay/admin/controller/order/PayOrderController.java b/daxpay-single/daxpay-single-admin/src/main/java/cn/bootx/platform/daxpay/admin/controller/order/PayOrderController.java
index 30074236e..60fa19978 100644
--- a/daxpay-single/daxpay-single-admin/src/main/java/cn/bootx/platform/daxpay/admin/controller/order/PayOrderController.java
+++ b/daxpay-single/daxpay-single-admin/src/main/java/cn/bootx/platform/daxpay/admin/controller/order/PayOrderController.java
@@ -63,7 +63,7 @@ public class PayOrderController {
     @Operation(summary = "查询支付订单扩展信息")
     @GetMapping("/getExtraById")
     public ResResult<PayOrderExtraDto> getExtraById(Long id){
-        return Res.ok(payOrderExtraService.findById(id));
+        return Res.ok(payOrderExtraService.findById(id).toDto());
     }
 
     @Operation(summary = "查询支付订单关联支付通道订单")
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/builder/PayBuilder.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/builder/PayBuilder.java
index 7af313de7..421ec8354 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/builder/PayBuilder.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/builder/PayBuilder.java
@@ -60,7 +60,6 @@ public class PayBuilder {
                 .setExpiredTime(expiredTime)
                 .setCombinationPay(payParam.getPayChannels().size() > 1)
                 .setAsyncPay(asyncPay.isPresent())
-                .setAsyncChannel(asyncPay.orElse(null))
                 .setRefundableBalance(sumAmount);
     }
 
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/dao/PayChannelOrderManager.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/dao/PayChannelOrderManager.java
index 4cb8446bb..19cac6310 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/dao/PayChannelOrderManager.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/dao/PayChannelOrderManager.java
@@ -35,6 +35,15 @@ public class PayChannelOrderManager extends BaseManager<PayChannelOrderMapper, P
                 .eq(PayChannelOrder::getChannel,channel)
                 .oneOpt();
     }
+    /**
+     * 根据订单id和支付通道查询
+     */
+    public Optional<PayChannelOrder> findByAsyncChannel(Long paymentId) {
+        return lambdaQuery()
+                .eq(PayChannelOrder::getPaymentId,paymentId)
+                .eq(PayChannelOrder::isAsync,true)
+                .oneOpt();
+    }
 
     /**
      * 根据订单id删除异步支付记录
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/entity/PayChannelOrder.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/entity/PayChannelOrder.java
index 77e461229..fb1838f5b 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/entity/PayChannelOrder.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/entity/PayChannelOrder.java
@@ -57,7 +57,7 @@ public class PayChannelOrder extends MpCreateEntity implements EntityBaseFunctio
     @DbColumn(comment = "支付状态")
     private String status;
 
-    @DbColumn(comment = "支付时间")
+    @DbColumn(comment = "支付完成时间")
     @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private LocalDateTime payTime;
 
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayChannelOrderService.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayChannelOrderService.java
index 7b0f80299..a596bb3a3 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayChannelOrderService.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayChannelOrderService.java
@@ -2,12 +2,13 @@ package cn.bootx.platform.daxpay.service.core.order.pay.service;
 
 import cn.bootx.platform.common.core.exception.DataNotExistException;
 import cn.bootx.platform.common.core.util.ResultConvertUtil;
-import cn.bootx.platform.daxpay.code.RefundStatusEnum;
 import cn.bootx.platform.daxpay.code.PayStatusEnum;
+import cn.bootx.platform.daxpay.code.RefundStatusEnum;
 import cn.bootx.platform.daxpay.param.pay.PayChannelParam;
 import cn.bootx.platform.daxpay.service.common.context.PayLocal;
 import cn.bootx.platform.daxpay.service.common.local.PaymentContextLocal;
 import cn.bootx.platform.daxpay.service.core.order.pay.dao.PayChannelOrderManager;
+import cn.bootx.platform.daxpay.service.core.order.pay.dao.PayOrderManager;
 import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayChannelOrder;
 import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayOrder;
 import cn.bootx.platform.daxpay.service.core.order.refund.entity.RefundChannelOrder;
@@ -16,7 +17,6 @@ import cn.hutool.json.JSONUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
@@ -36,6 +36,8 @@ import java.util.Optional;
 public class PayChannelOrderService {
     private final PayChannelOrderManager channelOrderManager;
 
+    private final PayOrderManager payOrderManager;
+
     /**
      * 根据支付ID查询列表
      */
@@ -51,10 +53,10 @@ public class PayChannelOrderService {
     }
 
     /**
-     * 切换支付订单关联的异步支付通道, 同时会设置是否支付完成状态, 并返回通道订单
-     * 使用单独事务
+     * 切换支付订单关联的异步支付通道, 设置是否支付完成状态, 并返回通道订单
+     * 同时会更新支付订单上的异步通道信息
      */
-    @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRES_NEW)
+    @Transactional(rollbackFor = Exception.class)
     public PayChannelOrder switchAsyncPayChannel(PayOrder payOrder, PayChannelParam payChannelParam){
         PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
         // 是否支付完成
@@ -66,8 +68,9 @@ public class PayChannelOrderService {
         if (Objects.nonNull(channelParam)){
             channelParamStr = JSONUtil.toJsonStr(channelParam);
         }
+        PayChannelOrder payChannelOrder;
         if (!payOrderChannelOpt.isPresent()){
-            PayChannelOrder payChannelOrder = new PayChannelOrder();
+            payChannelOrder = new PayChannelOrder();
             // 替换原有的的支付通道信息
             payChannelOrder.setPayWay(payChannelParam.getWay())
                     .setPaymentId(payOrder.getId())
@@ -76,28 +79,27 @@ public class PayChannelOrderService {
                     .setPayWay(payChannelParam.getWay())
                     .setAmount(payChannelParam.getAmount())
                     .setRefundableBalance(payChannelParam.getAmount())
-                    .setPayTime(LocalDateTime.now())
                     .setChannelExtra(channelParamStr)
                     .setStatus(payStatus.getCode());
             channelOrderManager.deleteByPaymentIdAndAsync(payOrder.getId());
             channelOrderManager.save(payChannelOrder);
             payInfo.getPayChannelOrders().add(payChannelOrder);
-            return payChannelOrder;
         } else {
             // 更新支付通道信息
-            PayChannelOrder payChannelOrder = payOrderChannelOpt.get();
-            payChannelOrder
-                    .setPayWay(payChannelParam.getWay())
-                    .setPayTime(LocalDateTime.now())
+            payChannelOrder = payOrderChannelOpt.get();
+            payChannelOrder.setPayWay(payChannelParam.getWay())
                     .setChannelExtra(channelParamStr)
                     .setStatus(payStatus.getCode());
             channelOrderManager.updateById(payChannelOrder);
-            // 更新时一次请求有多次访问, 对上下文中的通道支付订单进行替换
-            List<PayChannelOrder> payChannelOrders = payInfo.getPayChannelOrders();
-            payChannelOrders.removeIf(o->Objects.equals(o.getChannel(),payChannelOrder.getChannel()));
-            payChannelOrders.add(payOrderChannelOpt.get());
-            return payChannelOrder;
         }
+        // 对上下文中的通道支付订单进行替换
+        List<PayChannelOrder> payChannelOrders = payInfo.getPayChannelOrders();
+        payChannelOrders.removeIf(o->Objects.equals(o.getChannel(),payChannelOrder.getChannel()));
+        payChannelOrders.add(payChannelOrder);
+        // 更新支付订单中的异步通道信息
+        payOrder.setAsyncChannel(payChannelOrder.getChannel());
+        payOrderManager.updateById(payOrder);
+        return payChannelOrder;
     }
 
     /**
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayOrderExtraService.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayOrderExtraService.java
index f28d06b94..cd5f96f05 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayOrderExtraService.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/order/pay/service/PayOrderExtraService.java
@@ -3,10 +3,11 @@ package cn.bootx.platform.daxpay.service.core.order.pay.service;
 import cn.bootx.platform.common.core.exception.DataNotExistException;
 import cn.bootx.platform.daxpay.service.core.order.pay.dao.PayOrderExtraManager;
 import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayOrderExtra;
-import cn.bootx.platform.daxpay.service.dto.order.pay.PayOrderExtraDto;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
 
 /**
  * 支付订单扩展信息
@@ -22,7 +23,16 @@ public class PayOrderExtraService {
     /**
      * 查询详情
      */
-    public PayOrderExtraDto findById(Long id){
-        return payOrderExtraManager.findById(id).map(PayOrderExtra::toDto).orElseThrow(()->new DataNotExistException("支付订单扩展信息不存在"));
+    public PayOrderExtra findById(Long id){
+        return payOrderExtraManager.findById(id).orElseThrow(()->new DataNotExistException("支付订单扩展信息不存在"));
     }
+
+    /**
+     * 更新, 使用单独事务
+     */
+    @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRES_NEW)
+    public void update(PayOrderExtra payOrderExtra){
+        payOrderExtraManager.updateById(payOrderExtra);
+    }
+
 }
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/close/service/PayCloseService.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/close/service/PayCloseService.java
index b3b8870ea..175b2d9c6 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/close/service/PayCloseService.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/close/service/PayCloseService.java
@@ -134,7 +134,7 @@ public class PayCloseService {
      * 成功后处理方法
      */
     private void successHandler(PayOrder payOrder, List<PayChannelOrder> payChannelOrders){
-        // 取消订单
+        // 关闭订单
         payOrder.setStatus(PayStatusEnum.CLOSE.getCode())
                 .setCloseTime(LocalDateTime.now());
         payOrderService.updateById(payOrder);
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/factory/PayStrategyFactory.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/factory/PayStrategyFactory.java
index 2cef716ad..64f1e63f0 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/factory/PayStrategyFactory.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/factory/PayStrategyFactory.java
@@ -32,7 +32,7 @@ public class PayStrategyFactory {
      * @param payChannelParam 支付类型
      * @return 支付策略
      */
-    public AbsPayStrategy createAsyncFront(PayChannelParam payChannelParam) {
+    public AbsPayStrategy create(PayChannelParam payChannelParam) {
         AbsPayStrategy strategy;
         PayChannelEnum channelEnum = PayChannelEnum.findByCode(payChannelParam.getChannel());
         switch (channelEnum) {
@@ -111,7 +111,7 @@ public class PayStrategyFactory {
         }
 
         // 此处有一个根据Type的反转排序，
-        sortList.stream().filter(Objects::nonNull).forEach(payMode -> list.add(createAsyncFront(payMode)));
+        sortList.stream().filter(Objects::nonNull).forEach(payMode -> list.add(create(payMode)));
         return list;
     }
 
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayAssistService.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayAssistService.java
index c0733e909..5d46363a8 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayAssistService.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayAssistService.java
@@ -1,12 +1,14 @@
 package cn.bootx.platform.daxpay.service.core.payment.pay.service;
 
-import cn.bootx.platform.common.core.exception.DataNotExistException;
 import cn.bootx.platform.common.core.util.LocalDateTimeUtil;
 import cn.bootx.platform.daxpay.code.PayChannelEnum;
 import cn.bootx.platform.daxpay.exception.pay.PayFailureException;
 import cn.bootx.platform.daxpay.param.pay.PayChannelParam;
 import cn.bootx.platform.daxpay.param.pay.PayParam;
-import cn.bootx.platform.daxpay.service.common.context.*;
+import cn.bootx.platform.daxpay.service.common.context.ApiInfoLocal;
+import cn.bootx.platform.daxpay.service.common.context.NoticeLocal;
+import cn.bootx.platform.daxpay.service.common.context.PayLocal;
+import cn.bootx.platform.daxpay.service.common.context.PlatformLocal;
 import cn.bootx.platform.daxpay.service.common.local.PaymentContextLocal;
 import cn.bootx.platform.daxpay.service.core.order.pay.builder.PayBuilder;
 import cn.bootx.platform.daxpay.service.core.order.pay.dao.PayChannelOrderManager;
@@ -23,6 +25,7 @@ import cn.hutool.core.util.StrUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
 import java.util.Arrays;
@@ -119,22 +122,32 @@ public class PayAssistService {
         noticeInfo.setQuitUrl(payParam.getQuitUrl());
     }
 
-
     /**
      * 获取异步支付参数
      */
     public PayChannelParam getAsyncPayParam(PayParam payParam, PayOrder payOrder) {
-        // 查询之前的支付方式
-        String asyncPayChannel = payOrder.getAsyncChannel();
-        PayChannelOrder payChannelOrder = payChannelOrderManager.findByPaymentIdAndChannel(payOrder.getId(), asyncPayChannel)
-                .orElseThrow(() -> new PayFailureException("支付方式数据异常"));
+        // 查询异步支付方式
+        return payParam.getPayChannels()
+                .stream()
+                .filter(payMode -> PayChannelEnum.ASYNC_TYPE_CODE.contains(payMode.getChannel()))
+                .findFirst()
+                .orElseThrow(() -> new PayFailureException("支付参数异常, 不存在异步支付方式"));
+    }
+
+    /**
+     * 切换异步支付参数
+     */
+    public PayChannelParam switchAsyncPayParam(PayParam payParam, PayOrder payOrder) {
+        // 查询之前的异步支付方式
+        PayChannelOrder payChannelOrder = payChannelOrderManager.findByAsyncChannel(payOrder.getId())
+                .orElseThrow(() -> new PayFailureException("支付订单数据异常, 不存在异步支付方式"));
 
         // 新的异步支付方式
         PayChannelParam payChannelParam = payParam.getPayChannels()
                 .stream()
                 .filter(payMode -> PayChannelEnum.ASYNC_TYPE_CODE.contains(payMode.getChannel()))
                 .findFirst()
-                .orElseThrow(() -> new PayFailureException("支付方式数据异常"));
+                .orElseThrow(() -> new PayFailureException("支付参数异常, 不存在异步支付方式"));
         // 新传入的金额是否一致
         if (!Objects.equals(payChannelOrder.getAmount(), payChannelParam.getAmount())){
             throw new PayFailureException("传入的支付金额非法！与订单金额不一致");
@@ -145,6 +158,7 @@ public class PayAssistService {
     /**
      * 创建支付订单并保存, 返回支付订单
      */
+    @Transactional(rollbackFor = Exception.class)
     public PayOrder createPayOrder(PayParam payParam) {
         PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
         // 构建支付订单并保存
@@ -170,34 +184,6 @@ public class PayAssistService {
         payInfo.getPayChannelOrders().addAll(channelOrders);
     }
 
-    /**
-     * 更新支付订单扩展参数
-     * @param payParam 支付参数
-     * @param paymentId 支付订单id
-     */
-    public PayOrderExtra updatePayOrderExtra(PayParam payParam,Long paymentId){
-        ApiInfoLocal apiInfo = PaymentContextLocal.get().getApiInfo();
-        RequestLocal requestInfo = PaymentContextLocal.get().getRequestInfo();
-        PlatformLocal platformInfo = PaymentContextLocal.get().getPlatformInfo();
-        PayOrderExtra payOrderExtra = payOrderExtraManager.findById(paymentId)
-                .orElseThrow(() -> new DataNotExistException("支付订单不存在"));
-
-        NoticeLocal noticeInfo = PaymentContextLocal.get().getNoticeInfo();
-        String notifyUrl = noticeInfo.getNotifyUrl();
-        String returnUrl = noticeInfo.getReturnUrl();
-
-        payOrderExtra.setReqTime(payParam.getReqTime())
-                .setReqSignType(platformInfo.getSignType())
-                .setReqSign(payParam.getSign())
-                .setNotifyUrl(notifyUrl)
-                .setReturnUrl(returnUrl)
-                .setNoticeSign(apiInfo.isNoticeSign())
-                .setAttach(payParam.getAttach())
-                .setClientIp(payParam.getClientIp())
-                .setReqId(requestInfo.getReqId());
-        return payOrderExtraManager.updateById(payOrderExtra);
-    }
-
     /**
      * 校验支付状态，支付成功则返回，支付失败则抛出对应的异常
      */
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayService.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayService.java
index 374d8b713..9c2ea3e5a 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayService.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/service/PayService.java
@@ -10,8 +10,11 @@ import cn.bootx.platform.daxpay.result.pay.PayResult;
 import cn.bootx.platform.daxpay.service.common.context.PayLocal;
 import cn.bootx.platform.daxpay.service.common.local.PaymentContextLocal;
 import cn.bootx.platform.daxpay.service.core.order.pay.builder.PayBuilder;
+import cn.bootx.platform.daxpay.service.core.order.pay.dao.PayChannelOrderManager;
+import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayChannelOrder;
 import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayOrder;
 import cn.bootx.platform.daxpay.service.core.order.pay.entity.PayOrderExtra;
+import cn.bootx.platform.daxpay.service.core.order.pay.service.PayOrderExtraService;
 import cn.bootx.platform.daxpay.service.core.order.pay.service.PayOrderService;
 import cn.bootx.platform.daxpay.service.core.payment.notice.service.ClientNoticeService;
 import cn.bootx.platform.daxpay.service.core.payment.pay.factory.PayStrategyFactory;
@@ -26,7 +29,6 @@ import com.baomidou.lock.LockTemplate;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
@@ -53,17 +55,20 @@ public class PayService {
 
     private final PayOrderService payOrderService;
 
+    private final PayOrderExtraService payOrderExtraManager;
+
     private final PayAssistService payAssistService;
 
     private final ClientNoticeService clientNoticeService;
 
+    private final PayChannelOrderManager payChannelOrderManager;
+
     private final LockTemplate lockTemplate;
 
 
     /**
      * 简单下单, 可以视为不支持组合支付的下单接口
      */
-    @Transactional(rollbackFor = Exception.class)
     public PayResult simplePay(SimplePayParam simplePayParam) {
         // 组装支付参数
         PayParam payParam = new PayParam();
@@ -82,14 +87,13 @@ public class PayService {
     /**
      * 支付入口
      * 支付下单接口(同步/异步/组合支付)
-     * 1. 同步支付：包含一个或多个同步支付通道进行支付
-     * 2. 异步支付：例如支付宝、微信，发起支付后还需要跳转第三方平台进行支付，支付后通常需要进行回调，之后才完成支付记录
-     * 3. 组合支付：主要是混合了同步支付和异步支付，同时异步支付只能有一个，在支付时先对同步支付进行扣减，然后异步支付回调结束后完成整个支付单
-     * 注意:
-     * 组合支付在非第一次支付的时候，只对新传入的异步支付通道进行处理，该通道的价格使用第一次发起的价格，旧的同步支付如果传入后也不做处理，
-     * 支付单中支付通道列表将会为 旧有的同步支付+新传入的异步支付方式(在具体支付实现中处理)
+     * 1. 同步支付：包含一个或多个同步支付通道进行支付, 使用一个事务进行包裹，要么成功要么失败
+     * 2. 异步支付：会首先创建订单信息，然后再发起支付，支付成功后更新订单和通道订单信息，支付失败也会存在订单信息，预防丢单
+     * 3. 组合支付(包含异步支付)：会首先进行同步通道的支付，支付完成后才会调用异步支付，如果同步支付失败会回滚信息，不会进行存库
+     *  执行异步通道支付的逻辑与上面异步支付的逻辑一致
+     * 4. 同步支付一次支付完成，不允许重复发起支付
+     * 5. 重复支付时，不允许中途将异步支付换为同步支付，也不允许更改出支付通道和支付方式之外的支付参数（请求时间、IP、签名等可以更改）
      *
-     * 订单数据会先进行入库, 才会进行发起支付, 在调用各通道支付之前发生错误, 数据不会入库
      */
     public PayResult pay(PayParam payParam){
 
@@ -115,7 +119,7 @@ public class PayService {
                 List<PayChannelParam> payChannels = payParam.getPayChannels();
                 // 不包含异步支付通道
                 if (PayUtil.isNotSync(payChannels)){
-                    return this.firstSyncPay(payParam);
+                    return SpringUtil.getBean(this.getClass()).firstSyncPay(payParam);
                 }
                 // 单个异步通道支付
                 else if (payChannels.size() == 1 && !PayUtil.isNotSync(payChannels)) {
@@ -128,21 +132,35 @@ public class PayService {
                     throw new PayFailureException("支付参数错误");
                 }
             } else {
+                List<PayChannelParam> payChannels = payParam.getPayChannels();
+                // 不包含异步支付通道
+                if (PayUtil.isNotSync(payChannels)){
+                    throw new PayFailureException("支付参数错误, 不可以中途切换为同步支付通道");
+                }
                 // 单个异步通道支付
-
+                if (payOrder.isAsyncPay() && !payOrder.isCombinationPay()){
+                    return this.repeatAsyncPay(payParam,payOrder);
+                }
                 // 包含异步通道的组合支付
-
+                else if (payOrder.isAsyncPay()){
+                    return this.repeatCombinationPay(payParam, payOrder);
+                } else {
+                    throw new PayFailureException("支付参数错误");
+                }
             }
         } catch (Exception e) {
             throw new RuntimeException(e);
+        } finally {
+            lockTemplate.releaseLock(lock);
         }
-        return null;
     }
 
     /**
      * 首次同步支付, 可以为一个或多个同步通道进行支付
+     * 使用事务，保证支付只有成功或失败两种状态
      */
-    private PayResult firstSyncPay(PayParam payParam){
+    @Transactional(rollbackFor = Exception.class)
+    public PayResult firstSyncPay(PayParam payParam){
         // 创建支付订单和扩展记录并返回支付订单对象
         PayOrder payOrder = payAssistService.createPayOrder(payParam);
         PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
@@ -179,11 +197,27 @@ public class PayService {
 
     /**
      * 首次单个异步通道支付
+     * 拆分为多阶段，1. 保存订单记录信息 2 调起支付 3. 支付成功后操作
      */
     private PayResult firstAsyncPay(PayParam payParam){
         PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
-        // 开启新事务执行订单预保存操作, 并返回对应的支付策略组
-        AbsPayStrategy asyncPayStrategy = SpringUtil.getBean(this.getClass()).asyncPayPreSave(payParam);
+        // 开启新事务执行订单预保存操作
+        PayOrder payOrder = payAssistService.createPayOrder(payParam);
+
+        // 获取支付方式，通过工厂生成对应的策略组
+        List<AbsPayStrategy> strategies = PayStrategyFactory.createAsyncLast(payParam.getPayChannels());
+        if (CollectionUtil.isEmpty(strategies)) {
+            throw new PayUnsupportedMethodException();
+        }
+        // 获取异步通道
+        AbsPayStrategy asyncPayStrategy = Optional.ofNullable(strategies.get(0))
+                .orElseThrow(() -> new PayFailureException("数据和代码异常, 请排查代码"));
+
+        // 初始化支付的参数
+        asyncPayStrategy.initPayParam(payOrder, payParam);
+
+        // 执行支付前处理动作
+        asyncPayStrategy.doBeforePayHandler();
 
         // 支付操作
         try {
@@ -192,19 +226,30 @@ public class PayService {
             // 记录错误原因
             PayOrderExtra payOrderExtra = payInfo.getPayOrderExtra();
             payOrderExtra.setErrorMsg(e.getMessage());
+            payOrderExtraManager.update(payOrderExtra);
             throw e;
         }
+        // 支付调起成功后操作, 使用事务来保证数据一致性
+        return SpringUtil.getBean(this.getClass()).firstAsyncPaySuccess(asyncPayStrategy,payOrder);
+
+    }
+
+    /**
+     * 首次单通道异步支付成功后操作, 更新订单和扥爱松
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public PayResult firstAsyncPaySuccess(AbsPayStrategy asyncPayStrategy, PayOrder payOrder){
+        PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
         // 支付调用成功操作,
         asyncPayStrategy.doSuccessHandler();
-        PayOrder payOrder = payInfo.getPayOrder();
         // 如果支付完成, 进行订单完成处理, 同时发送回调消息
         if (payInfo.isPayComplete()) {
+            // TODO 使用网关返回的时间
             payOrder.setGatewayOrderNo(payInfo.getGatewayOrderNo())
                     .setStatus(SUCCESS.getCode())
                     .setPayTime(LocalDateTime.now());
-            // TODO 使用网关返回的时间
-            payOrderService.updateById(payOrder);
         }
+        payOrderService.updateById(payOrder);
         // 如果支付完成 发送通知
         if (Objects.equals(payOrder.getStatus(), SUCCESS.getCode())){
             clientNoticeService.registerPayNotice(payOrder, payInfo.getPayOrderExtra(), payInfo.getPayChannelOrders());
@@ -217,6 +262,40 @@ public class PayService {
      */
     private PayResult firstCombinationPay(PayParam payParam){
         PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
+        // ------------------------- 进行同步支付 -------------------------------
+        PayOrder payOrder = SpringUtil.getBean(this.getClass()).firstCombinationSyncPay(payParam);
+        // ------------------------- 进行异步支付 -------------------------------
+        // 创建异步通道策略类
+        //获取异步支付通道参数并构建支付策略
+        PayChannelParam payChannelParam = payAssistService.getAsyncPayParam(payParam, payOrder);
+        AbsPayStrategy asyncPayStrategy = PayStrategyFactory.create(payChannelParam);
+        // 初始化支付的参数
+        asyncPayStrategy.initPayParam(payOrder, payParam);
+
+        // 支付前准备
+        asyncPayStrategy.doBeforePayHandler();
+        // 设置异步支付通道订单信息
+        asyncPayStrategy.generateChannelOrder();
+        try {
+            // 异步支付操作
+            asyncPayStrategy.doPayHandler();
+        } catch (Exception e) {
+            // 记录错误原因
+            PayOrderExtra payOrderExtra = payInfo.getPayOrderExtra();
+            payOrderExtra.setErrorMsg(e.getMessage());
+            payOrderExtraManager.update(payOrderExtra);
+            throw e;
+        }
+        // 支付调起成功后操作, 使用事务来保证数据一致性
+        return SpringUtil.getBean(this.getClass()).firstCombinationPaySuccess(asyncPayStrategy);
+    }
+
+    /**
+     * 首次组合支付, 先进行同步支付, 如果成功返回支付订单
+     * 注意: 同时也执行异步支付通道订单的保存, 保证订单操作的原子性
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public PayOrder firstCombinationSyncPay(PayParam payParam){
         // 创建支付订单和扩展记录并返回支付订单对象
         PayOrder payOrder = payAssistService.createPayOrder(payParam);
 
@@ -230,7 +309,7 @@ public class PayService {
             strategy.initPayParam(payOrder, payParam);
         }
 
-        // 取出同步通道 然后进行支付
+        // 取出同步通道 然后进行同步通道的支付, 使用单独事务
         List<AbsPayStrategy> syncStrategies = strategies.stream()
                 .filter(strategy -> !ASYNC_TYPE.contains(strategy.getChannel()))
                 .collect(Collectors.toList());
@@ -242,94 +321,120 @@ public class PayService {
 
         // 执行支付前处理动作
         syncStrategies.forEach(AbsPayStrategy::doBeforePayHandler);
-        // 生成支付通道订单
-        syncStrategies.forEach(AbsPayStrategy::generateChannelOrder);
+        // 生成支付通道订单, 同时也执行异步支付通道订单的保存, 保证订单操作的原子性
+        strategies.forEach(AbsPayStrategy::generateChannelOrder);
         // 支付操作
         syncStrategies.forEach(AbsPayStrategy::doPayHandler);
-        // 支付成功操作, 进行扣款、创建记录类类似的操作
+        // 支付调起成功操作, 进行扣款、创建记录类类似的操作
         syncStrategies.forEach(AbsPayStrategy::doSuccessHandler);
-        payOrder.setStatus(SUCCESS.getCode())
-                .setPayTime(LocalDateTime.now());
         // 保存通道支付订单
         payAssistService.savePayChannelOrder(strategies);
-        // ------------------------- 进行异步支付 -------------------------------
-        // 筛选出异步通道策略类
-        AbsPayStrategy asyncPayStrategy = strategies.stream()
-                .filter(strategy -> !ASYNC_TYPE.contains(strategy.getChannel()))
-                .findFirst()
-                .orElseThrow(() -> new PayFailureException("数据和代码异常, 请排查代码"));
+        return payOrder;
+    }
 
+    /**
+     * 首次组合支付成功后操作
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public PayResult firstCombinationPaySuccess(AbsPayStrategy asyncPayStrategy){
+        PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
+        PayOrder payOrder = payInfo.getPayOrder();
+        // 支付调起成功的处理
+        asyncPayStrategy.doSuccessHandler();
+        // 如果支付完成, 进行订单完成处理, 同时发送回调消息
+        if (payInfo.isPayComplete()) {
+            // TODO 使用网关返回的时间
+            payOrder.setGatewayOrderNo(payInfo.getGatewayOrderNo())
+                    .setStatus(SUCCESS.getCode())
+                    .setPayTime(LocalDateTime.now());
+        }
+        payOrderService.updateById(payOrder);
+        payOrderService.updateById(payOrder);
+        // 如果支付完成 发送通知
+        if (Objects.equals(payOrder.getStatus(), SUCCESS.getCode())){
+            clientNoticeService.registerPayNotice(payOrder, payInfo.getPayOrderExtra(), payInfo.getPayChannelOrders());
+        }
+        return PayBuilder.buildPayResultByPayOrder(payOrder);
+    }
+
+    /**
+     * 重复支付-单异步通道支付
+     */
+    public PayResult repeatAsyncPay(PayParam payParam, PayOrder payOrder){
+        // 查询支付扩展订单信息
+        PayOrderExtra payOrderExtra = payOrderExtraManager.findById(payOrder.getId());
+        //获取异步支付通道参数并构建支付策略
+        PayChannelParam payChannelParam = payAssistService.switchAsyncPayParam(payParam, payOrder);
+        AbsPayStrategy asyncPayStrategy = PayStrategyFactory.create(payChannelParam);
+        // 初始化支付的参数
+        asyncPayStrategy.initPayParam(payOrder, payParam);
+        // 执行支付前处理动作
+        asyncPayStrategy.doBeforePayHandler();
+        // 更新支付通道订单的信息
+        asyncPayStrategy.generateChannelOrder();
+        try {
+            // 支付操作
+            asyncPayStrategy.doPayHandler();
+        } catch (Exception e) {
+            // 记录错误原因
+            payOrderExtra.setErrorMsg(e.getMessage());
+            payOrderExtraManager.update(payOrderExtra);
+            throw e;
+        }
+        // 支付调起成功后操作, 使用事务来保证数据一致性
+        return SpringUtil.getBean(this.getClass()).repeatPaySuccess(asyncPayStrategy, payOrder, payOrderExtra);
+    }
+
+    /**
+     * 重复发起组合支付(包含异步支付)
+     */
+    public PayResult repeatCombinationPay(PayParam payParam, PayOrder payOrder){
+        PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
+        PayOrderExtra payOrderExtra = payInfo.getPayOrderExtra();
+        PayChannelParam payChannelParam = payAssistService.switchAsyncPayParam(payParam, payOrder);
+        // 取出异步通道 然后进行支付
+        AbsPayStrategy asyncPayStrategy = PayStrategyFactory.create(payChannelParam);
+        // 初始化参数
+        asyncPayStrategy.initPayParam(payOrder, payParam);
         // 支付前准备
         asyncPayStrategy.doBeforePayHandler();
-        // 设置异步支付通道订单信息
+        // 更新异步支付通道订单信息
         asyncPayStrategy.generateChannelOrder();
         try {
             // 异步支付操作
             asyncPayStrategy.doPayHandler();
         } catch (Exception e) {
             // 记录错误原因
-            PayOrderExtra payOrderExtra = payInfo.getPayOrderExtra();
             payOrderExtra.setErrorMsg(e.getMessage());
+            payOrderExtraManager.update(payOrderExtra);
             throw e;
         }
-        // 支付调用成功操作, 进行扣款、创建记录类类似的操作
+        // 支付调起成功后操作, 使用事务来保证数据一致性
+        return SpringUtil.getBean(this.getClass()).repeatPaySuccess(asyncPayStrategy, payOrder,payOrderExtra);
+
+    }
+
+    /**
+     * 重复支付成功后操作
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public PayResult repeatPaySuccess(AbsPayStrategy asyncPayStrategy, PayOrder payOrder, PayOrderExtra payOrderExtra) {
+        PayLocal payInfo = PaymentContextLocal.get().getPayInfo();
         asyncPayStrategy.doSuccessHandler();
         // 如果支付完成, 进行订单完成处理, 同时发送回调消息
         if (payInfo.isPayComplete()) {
+            // TODO 使用网关返回的时间
             payOrder.setGatewayOrderNo(payInfo.getGatewayOrderNo())
                     .setStatus(SUCCESS.getCode())
                     .setPayTime(LocalDateTime.now());
-            // TODO 使用网关返回的时间
-            payOrderService.updateById(payOrder);
         }
+        payOrderService.updateById(payOrder);
         // 如果支付完成 发送通知
         if (Objects.equals(payOrder.getStatus(), SUCCESS.getCode())){
-            clientNoticeService.registerPayNotice(payOrder, payInfo.getPayOrderExtra(), payInfo.getPayChannelOrders());
+            // 查询通道订单
+            List<PayChannelOrder> payChannelOrders = payChannelOrderManager.findAllByPaymentId(payOrder.getId());
+            clientNoticeService.registerPayNotice(payOrder, payOrderExtra, payChannelOrders);
         }
         return PayBuilder.buildPayResultByPayOrder(payOrder);
-
-    }
-
-    /**
-     * 异步支付预报保存处理, 无论请求成功还是失败, 各种订单对象都会保存
-     * 1. 创建支付订单/通道支付订单/扩展信息
-     * 2, 返回支付列表记录
-     */
-    @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRES_NEW)
-    public AbsPayStrategy asyncPayPreSave(PayParam payParam){
-        // 创建支付订单和扩展记录并返回支付订单对象
-        PayOrder payOrder = payAssistService.createPayOrder(payParam);
-
-        // 获取支付方式，通过工厂生成对应的策略组
-        List<AbsPayStrategy> strategies = PayStrategyFactory.createAsyncLast(payParam.getPayChannels());
-        if (CollectionUtil.isEmpty(strategies)) {
-            throw new PayUnsupportedMethodException();
-        }
-
-        AbsPayStrategy absPayStrategy = Optional.ofNullable(strategies.get(0))
-                .orElseThrow(() -> new PayFailureException("数据和代码异常, 请排查代码"));
-
-        // 初始化支付的参数
-        absPayStrategy.initPayParam(payOrder, payParam);
-
-        // 执行支付前处理动作
-        absPayStrategy.doBeforePayHandler();
-        // 执行支付通道订单的生成和保存
-        absPayStrategy.generateChannelOrder();
-        return absPayStrategy;
-    }
-
-    /**
-     * 重复支付
-     */
-    public void repeatAsyncPay(){
-
-    }
-
-    /**
-     *
-     */
-    public void repeatCombinationPay(){
-
     }
 }
diff --git a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/strategy/WeChatPayStrategy.java b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/strategy/WeChatPayStrategy.java
index b21939b56..b61de5044 100644
--- a/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/strategy/WeChatPayStrategy.java
+++ b/daxpay-single/daxpay-single-service/src/main/java/cn/bootx/platform/daxpay/service/core/payment/pay/strategy/WeChatPayStrategy.java
@@ -101,9 +101,9 @@ public class WeChatPayStrategy extends AbsPayStrategy {
      */
     @Override
     public void doSuccessHandler() {
-        PayChannelOrder payChannelOrder = channelOrderService.switchAsyncPayChannel(this.getOrder(), this.getPayChannelParam());
-        this.getOrder().setAsyncChannel(this.getChannel().getCode());
         PayLocal asyncPayInfo = PaymentContextLocal.get().getPayInfo();
+        // 更新通道支付订单
+        PayChannelOrder payChannelOrder = channelOrderService.switchAsyncPayChannel(this.getOrder(), this.getPayChannelParam());
         // 是否支付完成, 保存流水记录
         if (asyncPayInfo.isPayComplete()){
             weChatPayRecordService.pay(this.getOrder(), payChannelOrder);