diff --git a/_config/sql/update-tables.sql b/_config/sql/update-tables.sql
index e69de29bb..838bde61f 100644
--- a/_config/sql/update-tables.sql
+++ b/_config/sql/update-tables.sql
@@ -0,0 +1,7 @@
+-- 支付同步: pay_normal_order 冗余通道路由参数, 供同步时凭证解析使用
+
+ALTER TABLE pay_normal_order ADD COLUMN IF NOT EXISTS channel_mch_no varchar(64);
+ALTER TABLE pay_normal_order ADD COLUMN IF NOT EXISTS capability varchar(64);
+
+COMMENT ON COLUMN pay_normal_order.channel_mch_no IS '通道商户号(路由回填, 同步时用于解析通道应用凭证)';
+COMMENT ON COLUMN pay_normal_order.capability IS '支付能力编码(路由回填, 同步时用于解析通道应用凭证)';
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/AlipayChannelClient.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/AlipayChannelClient.java
index 3274a2e6c..0050686d4 100644
--- a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/AlipayChannelClient.java
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/AlipayChannelClient.java
@@ -1,7 +1,9 @@
 package cn.daxpay.open.channel.alipay.client;
 
 import cn.daxpay.open.channel.alipay.client.req.AlipayPayReq;
+import cn.daxpay.open.channel.alipay.client.req.AlipaySyncReq;
 import cn.daxpay.open.channel.alipay.client.resp.AlipayPayResp;
+import cn.daxpay.open.channel.alipay.client.resp.AlipaySyncResp;
 import cn.daxpay.open.payment.common.result.DaxResult;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -17,4 +19,8 @@ public interface AlipayChannelClient {
     /// 支付下单
     @PostExchange("/channel/alipay/pay")
     DaxResult<AlipayPayResp> pay(@RequestBody AlipayPayReq req);
+
+    /// 支付同步(查询支付宝订单状态)
+    @PostExchange("/channel/alipay/sync")
+    DaxResult<AlipaySyncResp> sync(@RequestBody AlipaySyncReq req);
 }
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/req/AlipaySyncReq.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/req/AlipaySyncReq.java
new file mode 100644
index 000000000..9f7b8cc30
--- /dev/null
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/req/AlipaySyncReq.java
@@ -0,0 +1,20 @@
+package cn.daxpay.open.channel.alipay.client.req;
+
+import cn.daxpay.open.channel.alipay.client.credential.AlipaySdkCredential;
+import lombok.Data;
+
+/// # 支付宝通道同步请求
+///
+/// 与子应用 dax-pay-channel-one 的 `AlipaySyncReq` 镜像, 经声明式 HTTP 客户端序列化传输, 字段对齐。
+@Data
+public class AlipaySyncReq {
+
+    /// 商户订单号(主应用支付交易号, 作为支付宝 out_trade_no)
+    private String outTradeNo;
+
+    /// 支付宝交易号(trade_no, 下单成功后由支付宝返回, 可选)
+    private String tradeNo;
+
+    /// 通道调用凭证
+    private AlipaySdkCredential credential;
+}
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/resp/AlipaySyncResp.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/resp/AlipaySyncResp.java
new file mode 100644
index 000000000..97b75f318
--- /dev/null
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/client/resp/AlipaySyncResp.java
@@ -0,0 +1,44 @@
+package cn.daxpay.open.channel.alipay.client.resp;
+
+import cn.daxpay.open.channel.alipay.service.payment.sync.AlipaySyncService;
+import lombok.Data;
+
+import java.time.OffsetDateTime;
+
+/// # 支付宝通道同步响应
+///
+/// 与子应用 dax-pay-channel-one 的 `AlipaySyncResp` 镜像, 字段对齐。
+/// 子应用原样回传支付宝 trade.query 字段, trade_status 映射由主应用 [AlipaySyncService] 完成。
+@Data
+public class AlipaySyncResp {
+
+    /// 交易状态(WAIT_BUYER_PAY / TRADE_SUCCESS / TRADE_FINISHED / TRADE_CLOSED)
+    private String tradeStatus;
+
+    /// 网关返回码(code, 10000=成功)
+    private String code;
+
+    /// 业务返回码(sub_code, 如 ACQ.TRADE_NOT_EXIST)
+    private String subCode;
+
+    /// 业务返回消息(sub_msg)
+    private String subMsg;
+
+    /// 支付宝交易号(trade_no)
+    private String tradeNo;
+
+    /// 商户订单号(out_trade_no, 透传请求)
+    private String outTradeNo;
+
+    /// 交易付款时间(send_pay_date)
+    private OffsetDateTime sendPayDate;
+
+    /// 买家支付宝用户ID(buyer_user_id)
+    private String buyerUserId;
+
+    /// 买家支付宝开放ID(buyer_open_id)
+    private String buyerOpenId;
+
+    /// 买家实付金额(buyer_pay_amount, 单位: 分)
+    private Long buyerPayAmount;
+}
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/pay/AlipayPayService.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
similarity index 92%
rename from daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/pay/AlipayPayService.java
rename to daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
index e3b35bcac..9a3ac106b 100644
--- a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/pay/AlipayPayService.java
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
@@ -1,4 +1,4 @@
-package cn.daxpay.open.channel.alipay.service.pay;
+package cn.daxpay.open.channel.alipay.service.payment.pay;
 
 import cn.daxpay.open.channel.alipay.client.AlipayChannelClient;
 import cn.daxpay.open.channel.alipay.client.credential.AlipaySdkCredential;
@@ -91,18 +91,11 @@ public class AlipayPayService {
         }
 
         // 完成时间
-        if (resp.getFinishTime() != null) {
-            bo.setFinishTime(resp.getFinishTime());
-        }
+        bo.setFinishTime(resp.getFinishTime());
         // 实付金额(BARCODE 付款码同步成功时返回)
-        if (resp.getRealAmount() != null) {
-            bo.setRealAmount(resp.getRealAmount());
-        }
+        bo.setRealAmount(resp.getRealAmount());
         // 买家标识(BARCODE 付款码同步成功时返回)
-        if (StrUtil.isNotBlank(resp.getBuyerId())) {
-            bo.setBuyerId(resp.getBuyerId());
-        }
-
+        bo.setBuyerId(resp.getBuyerId());
         return bo;
     }
 }
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/sync/AlipaySyncService.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/sync/AlipaySyncService.java
new file mode 100644
index 000000000..2a2552998
--- /dev/null
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/sync/AlipaySyncService.java
@@ -0,0 +1,111 @@
+package cn.daxpay.open.channel.alipay.service.payment.sync;
+
+import cn.daxpay.open.channel.alipay.client.AlipayChannelClient;
+import cn.daxpay.open.channel.alipay.client.credential.AlipaySdkCredential;
+import cn.daxpay.open.channel.alipay.client.req.AlipaySyncReq;
+import cn.daxpay.open.channel.alipay.client.resp.AlipaySyncResp;
+import cn.daxpay.open.payment.common.result.DaxResult;
+import cn.daxpay.open.payment.common.enums.PayFundStatusEnum;
+import cn.daxpay.open.payment.pay.bo.PaySyncResultBo;
+import cn.daxpay.open.payment.pay.order.entity.PayTrade;
+import cn.hutool.core.util.StrUtil;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+/// # 支付宝支付同步业务服务
+///
+/// 通过 [AlipayChannelClient] 调用子应用 dax-pay-channel-one 查询支付宝订单状态,
+/// 将支付宝 trade_status 映射为平台 [PayFundStatusEnum]。
+///
+/// 映射规则(参照商业版 AlipaySyncService):
+/// - TRADE_SUCCESS / TRADE_FINISHED → SUCCESS
+/// - WAIT_BUYER_PAY → PROCESSING
+/// - TRADE_CLOSED + 有付款时间 → SUCCESS(已退款)
+/// - TRADE_CLOSED + 无付款时间 → CLOSE
+/// - ACQ.TRADE_NOT_EXIST → PROCESSING(客户未操作, 订单未创建)
+/// - 其他查询失败 → syncSuccess=false
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class AlipaySyncService {
+
+    private final AlipayChannelClient alipayChannelClient;
+
+    /// 支付宝交易状态: 交易支付成功
+    private static final String TRADE_SUCCESS = "TRADE_SUCCESS";
+    /// 支付宝交易状态: 交易结束(不可退款)
+    private static final String TRADE_FINISHED = "TRADE_FINISHED";
+    /// 支付宝交易状态: 等待买家付款
+    private static final String WAIT_BUYER_PAY = "WAIT_BUYER_PAY";
+    /// 支付宝交易状态: 未付款超时关闭, 或支付完成后全额退款
+    private static final String TRADE_CLOSED = "TRADE_CLOSED";
+    /// 支付宝业务码: 交易不存在
+    private static final String ACQ_TRADE_NOT_EXIST = "ACQ.TRADE_NOT_EXIST";
+
+    /// 执行支付宝支付同步
+    ///
+    /// @param trade      支付订单(tradeNo 作为 out_trade_no, outOrderNo 作为 trade_no)
+    /// @param credential 通道调用凭证
+    /// @return 同步结果(含映射后的资金状态)
+    public PaySyncResultBo sync(PayTrade trade, AlipaySdkCredential credential) {
+        // 构建请求
+        AlipaySyncReq req = new AlipaySyncReq();
+        req.setOutTradeNo(trade.getTradeNo());
+        req.setTradeNo(trade.getOutOrderNo());
+        req.setCredential(credential);
+
+        // 调用子应用
+        DaxResult<AlipaySyncResp> result = alipayChannelClient.sync(req);
+        if (result.getCode() != 0) {
+            log.error("支付宝通道同步失败: outTradeNo={}, msg={}", trade.getTradeNo(), result.getMsg());
+            PaySyncResultBo bo = new PaySyncResultBo();
+            bo.setSyncSuccess(false)
+                    .setSyncErrorMsg(result.getMsg());
+            return bo;
+        }
+
+        return toSyncResult(result.getData());
+    }
+
+    /// 解析子应用响应, 映射 trade_status → [PayFundStatusEnum]
+    private PaySyncResultBo toSyncResult(AlipaySyncResp resp) {
+        PaySyncResultBo bo = new PaySyncResultBo();
+        bo.setOutOrderNo(resp.getTradeNo());
+
+        String tradeStatus = resp.getTradeStatus();
+
+        // 支付完成(TRADE_SUCCESS / TRADE_FINISHED)
+        if (TRADE_SUCCESS.equals(tradeStatus) || TRADE_FINISHED.equals(tradeStatus)) {
+            return bo.setPayStatus(PayFundStatusEnum.SUCCESS)
+                    .setFinishTime(resp.getSendPayDate())
+                    .setRealAmount(resp.getBuyerPayAmount())
+                    .setBuyerId(StrUtil.blankToDefault(resp.getBuyerOpenId(), resp.getBuyerUserId()));
+        }
+
+        // 待支付(等待买家付款)
+        if (WAIT_BUYER_PAY.equals(tradeStatus)) {
+            return bo.setPayStatus(PayFundStatusEnum.PROCESSING);
+        }
+
+        // 已关闭或支付完成后全额退款
+        if (TRADE_CLOSED.equals(tradeStatus)) {
+            // 有付款时间说明是支付后全额退款 → SUCCESS; 无付款时间 → CLOSE
+            if (resp.getSendPayDate() != null) {
+                return bo.setPayStatus(PayFundStatusEnum.SUCCESS)
+                        .setFinishTime(resp.getSendPayDate());
+            }
+            return bo.setPayStatus(PayFundStatusEnum.CLOSE);
+        }
+
+        // 交易不存在(客户未操作, 订单未创建) → PROCESSING
+        if (ACQ_TRADE_NOT_EXIST.equals(resp.getSubCode())) {
+            return bo.setPayStatus(PayFundStatusEnum.PROCESSING);
+        }
+
+        // 查询失败
+        return bo.setSyncSuccess(false)
+                .setSyncErrorCode(resp.getSubCode())
+                .setSyncErrorMsg(StrUtil.blankToDefault(resp.getSubMsg(), "支付宝同步查询失败"));
+    }
+}
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectPayStrategy.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectPayStrategy.java
index e76b24780..c0fab8395 100644
--- a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectPayStrategy.java
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectPayStrategy.java
@@ -1,7 +1,7 @@
 package cn.daxpay.open.channel.alipay.strategy.direct;
 
 import cn.daxpay.open.channel.alipay.service.direct.AlipayDirectConfigAssembler;
-import cn.daxpay.open.channel.alipay.service.pay.AlipayPayService;
+import cn.daxpay.open.channel.alipay.service.payment.pay.AlipayPayService;
 import cn.daxpay.open.payment.common.context.PayStrategyContext;
 import cn.daxpay.open.payment.pay.bo.PayTradeResultBo;
 import cn.daxpay.open.payment.strategy.pay.AbsPayStrategy;
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectSyncStrategy.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectSyncStrategy.java
new file mode 100644
index 000000000..ed8bc6a1f
--- /dev/null
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/direct/AlipayDirectSyncStrategy.java
@@ -0,0 +1,48 @@
+package cn.daxpay.open.channel.alipay.strategy.direct;
+
+import cn.daxpay.open.channel.alipay.client.credential.AlipaySdkCredential;
+import cn.daxpay.open.channel.alipay.service.direct.AlipayDirectConfigAssembler;
+import cn.daxpay.open.channel.alipay.service.payment.sync.AlipaySyncService;
+import cn.daxpay.open.payment.pay.bo.PaySyncResultBo;
+import cn.daxpay.open.payment.pay.order.dao.NormalPayOrderManager;
+import cn.daxpay.open.payment.pay.order.entity.NormalPayOrder;
+import cn.daxpay.open.payment.pay.order.entity.PayTrade;
+import cn.daxpay.open.payment.strategy.sync.AbsSyncPayOrderStrategy;
+import cn.daxpay.open.platform.core.enums.pay.channel.ProductEnum;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+/// # 支付宝直连支付同步策略
+///
+/// 支付宝直连模式(ProductEnum.ALIPAY)下的支付同步策略。
+/// 从容器层 NormalPayOrder 读取通道路由参数(channelMchNo / capability),
+/// 组装通道凭证(委托 [AlipayDirectConfigAssembler]), 同步执行委托给 [AlipaySyncService]。
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class AlipayDirectSyncStrategy extends AbsSyncPayOrderStrategy {
+
+    private final AlipaySyncService alipaySyncService;
+    private final AlipayDirectConfigAssembler alipayDirectConfigAssembler;
+    private final NormalPayOrderManager normalPayOrderManager;
+
+    @Override
+    public ProductEnum getProduct() {
+        return ProductEnum.ALIPAY;
+    }
+
+    @Override
+    public PaySyncResultBo doSync(PayTrade trade) {
+        // 从容器层读取通道路由参数, 用于凭证解析
+        NormalPayOrder normalOrder = normalPayOrderManager.findById(trade.getContainerId()).orElse(null);
+        String channelMchNo = normalOrder != null ? normalOrder.getChannelMchNo() : null;
+        String capability = normalOrder != null ? normalOrder.getCapability() : null;
+
+        // 组装通道调用凭证
+        AlipaySdkCredential credential = alipayDirectConfigAssembler.buildConfig(
+                trade.getMchNo(), channelMchNo, capability);
+
+        return alipaySyncService.sync(trade, credential);
+    }
+}
diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/isv/AlipayIsvPayStrategy.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/isv/AlipayIsvPayStrategy.java
index 38927adbd..16e7ea3a7 100644
--- a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/isv/AlipayIsvPayStrategy.java
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/strategy/isv/AlipayIsvPayStrategy.java
@@ -6,7 +6,7 @@ import cn.daxpay.open.channel.alipay.entity.isv.AlipayIsvApp;
 import cn.daxpay.open.channel.alipay.entity.isv.AlipayIsvAppKeyConfig;
 import cn.daxpay.open.channel.alipay.entity.isv.AlipayIsvChannelMerchant;
 import cn.daxpay.open.channel.alipay.service.isv.AlipayIsvAppKeyConfigService;
-import cn.daxpay.open.channel.alipay.service.pay.AlipayPayService;
+import cn.daxpay.open.channel.alipay.service.payment.pay.AlipayPayService;
 import cn.daxpay.open.payment.common.context.PayStrategyContext;
 import cn.daxpay.open.payment.pay.bo.PayTradeResultBo;
 import cn.daxpay.open.payment.strategy.pay.AbsPayStrategy;
diff --git a/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/order/entity/NormalPayOrder.java b/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/order/entity/NormalPayOrder.java
index bff2a8f6b..55da330ff 100644
--- a/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/order/entity/NormalPayOrder.java
+++ b/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/order/entity/NormalPayOrder.java
@@ -88,6 +88,15 @@ public class NormalPayOrder extends MchBaseEntity {
     /// 关闭时间
     private OffsetDateTime closeTime;
 
+    // ===== 通道路由（同步时用于解析通道应用凭证）=====
+
+    /// 通道商户号(路由回填)
+    private String channelMchNo;
+
+    /// 支付能力编码(路由回填)
+    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayCapabilityEnum
+    private String capability;
+
     // ===== 请求信息（低频，审计排查用）=====
 
     /// 通道附加参数
diff --git a/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/service/PayAssistService.java b/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/service/PayAssistService.java
index ca4ddf944..de32e8193 100644
--- a/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/service/PayAssistService.java
+++ b/daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/pay/service/PayAssistService.java
@@ -83,6 +83,9 @@ public class PayAssistService {
         normalOrder.setExtraParam(payParam.getExtraParam());
         normalOrder.setGoodsDetail(payParam.getGoodsDetail());
         normalOrder.setTerminalNo(terminalNo);
+        // 通道路由参数(同步时用于解析通道应用凭证)
+        normalOrder.setChannelMchNo(payParam.getChannelMchNo());
+        normalOrder.setCapability(payParam.getCapability());
         normalOrder.setAppId(appId);
         payNormalOrderManager.save(normalOrder);
         // 创建资金交易 PayTrade