diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/ContractChangeController.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/ContractChangeController.java
index 89ddf9e0..219be8a1 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/ContractChangeController.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/ContractChangeController.java
@@ -33,6 +33,7 @@ import org.springblade.core.mp.support.Condition;
 import org.springblade.core.mp.support.Query;
 import org.springblade.core.secure.annotation.PreAuth;
 import org.springblade.core.tool.api.R;
+import org.springblade.transport.constant.HcsSyncConstant;
 import org.springblade.transport.pojo.entity.ContractChange;
 import org.springblade.transport.pojo.vo.ContractChangeVO;
 import org.springblade.transport.service.IContractChangeService;
@@ -110,17 +111,12 @@ public class ContractChangeController extends BladeController {
 		hcsImmediatePushSupport.pushContractAndWait(contractId);
 		String syncFailure = HcsImmediatePushSupport.pollSyncFailure();
 		if (syncFailure != null) {
-			ContractChange contractChange = contractChangeService.getById(id);
-			if (contractChange != null) {
-				contractChange.setSyncStatus("failed");
-				contractChangeService.updateById(contractChange);
-			}
+			contractChangeService.writeBackSyncStatus(contractId, HcsSyncConstant.HCS_STATUS_FAILED);
 			return R.data(Boolean.FALSE, "审批通过，但合规推送失败：" + syncFailure);
 		}
-		ContractChange contractChange = contractChangeService.getById(id);
-		if (contractChange != null) {
-			contractChange.setSyncStatus("synced");
-			contractChangeService.updateById(contractChange);
+		// 即时推送未开启时（开关关闭不触发推送）不标记已推送，待推送状态由定时扫描任务推送后闭环
+		if (hcsImmediatePushSupport.isImmediateEnabled()) {
+			contractChangeService.writeBackSyncStatus(contractId, HcsSyncConstant.HCS_STATUS_SYNCED);
 		}
 		return R.success("审批通过");
 	}
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/IContractChangeService.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/IContractChangeService.java
index 8dab1de0..f715bcf7 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/IContractChangeService.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/IContractChangeService.java
@@ -72,4 +72,13 @@ public interface IContractChangeService extends BaseService<ContractChange> {
 	 */
 	boolean markSyncStatus(String ids, String syncStatus);
 
+	/**
+	 * 按原合同回写最近一条待同步变更单的同步状态（审批即时推送/定时任务推送后调用）
+	 *
+	 * @param contractId 原合同ID
+	 * @param syncStatus 同步状态（synced/failed）
+	 * @return 是否回写成功（无待同步变更单时返回 false）
+	 */
+	boolean writeBackSyncStatus(Long contractId, String syncStatus);
+
 }
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ContractChangeServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ContractChangeServiceImpl.java
index a663c015..ab043070 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ContractChangeServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ContractChangeServiceImpl.java
@@ -190,7 +190,11 @@ public class ContractChangeServiceImpl extends BaseServiceImpl<ContractChangeMap
 		String processor = TransportBusinessSupport.trimToNull(AuthUtil.getUserName());
 		contractChange.setCurrentProcessor(processor == null ? "系统" : processor);
 		contractChange.setApprovedTime(LocalDateTime.now());
-		contractChange.setSyncStatus(HcsSyncConstant.HCS_STATUS_UNSYNCED);
+		// 仅原合同已推送合规（有合规单据ID标识 hcs_fd_id）的变更单参与合规推送（C103-11），存量未推送合同不置同步状态
+		ContractManage contractManage = contractManageService.getById(contractChange.getContractId());
+		if (contractManage != null && Func.isNotBlank(contractManage.getHcsFdId())) {
+			contractChange.setSyncStatus(HcsSyncConstant.HCS_STATUS_UNSYNCED);
+		}
 		updateById(contractChange);
 		contractManageService.applyChangeFromRecord(contractChange);
 		return contractChange.getContractId();
@@ -253,6 +257,20 @@ public class ContractChangeServiceImpl extends BaseServiceImpl<ContractChangeMap
 		return true;
 	}
 
+	@Override
+	public boolean writeBackSyncStatus(Long contractId, String syncStatus) {
+		if (contractId == null) {
+			return false;
+		}
+		// 仅回写该合同最近一条审批通过且未同步/失败的变更单，历史已闭环单据不翻动
+		return update(Wrappers.<ContractChange>lambdaUpdate()
+			.eq(ContractChange::getContractId, contractId)
+			.eq(ContractChange::getApprovalStatus, STATUS_APPROVED)
+			.in(ContractChange::getSyncStatus, List.of(HcsSyncConstant.HCS_STATUS_UNSYNCED, HcsSyncConstant.HCS_STATUS_FAILED))
+			.set(ContractChange::getSyncStatus, syncStatus)
+			.last("order by approved_time desc limit 1"));
+	}
+
 	private LambdaQueryWrapper<ContractChange> buildQuery(ContractChangeVO contractChange) {
 		TransportBusinessSupport.validateAllDept(contractChange.getAllDept(), "合同变更");
 		LambdaQueryWrapper<ContractChange> queryWrapper = Wrappers.<ContractChange>lambdaQuery().eq(ContractChange::getIsDeleted, 0);
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsImmediatePushSupport.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsImmediatePushSupport.java
index cc0e6106..fc0339ce 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsImmediatePushSupport.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsImmediatePushSupport.java
@@ -153,6 +153,13 @@ public class HcsImmediatePushSupport {
 		this.pushWithLock(HcsSyncConstant.BIZ_TYPE_CONTRACT, id, () -> this.pushContractNow(id));
 	}
 
+	/**
+	 * 即时推送开关（thirdParty.hcs.push.immediate-enabled）状态，供 Controller 判断审批响应是否实际等待过推送结果
+	 */
+	public boolean isImmediateEnabled() {
+		return hcsProperties.getPush().isImmediateEnabled();
+	}
+
 	/**
 	 * 项目立项"通过"按钮路径：在审批事务提交返回后由 Controller 同步调用，失败原因留在当前线程供其取走
 	 *