diff --git a/web-app/src/main/java/com/zcloud/primeport/command/DaHuaVehicleSyncExe.java b/web-app/src/main/java/com/zcloud/primeport/command/DaHuaVehicleSyncExe.java
index a5f4e7f..c3d28bf 100644
--- a/web-app/src/main/java/com/zcloud/primeport/command/DaHuaVehicleSyncExe.java
+++ b/web-app/src/main/java/com/zcloud/primeport/command/DaHuaVehicleSyncExe.java
@@ -5,39 +5,38 @@ import com.zcloud.primeport.domain.enums.VehicleBelongTypeEnum;
 import com.zcloud.primeport.domain.gateway.DaHuaGateway;
 import com.zcloud.primeport.domain.gateway.VehicleApplyGateway;
 import com.zcloud.gbscommon.dahua.cmd.DaHuaCarAddCmd;
+import com.zcloud.gbscommon.dahua.cmd.DaHuaTempVehicleSaveCmd;
 import com.zcloud.primeport.domain.model.VehicleApplyE;
 import com.zcloud.primeport.plan.mjDevice.dto.CarEnum;
 import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-/**
- * 相关方车辆同步大华平台。
- */
 @Component
 @AllArgsConstructor
+@Slf4j
 public class DaHuaVehicleSyncExe {
 
     private final DaHuaGateway daHuaGateway;
     private final VehicleApplyGateway vehicleApplyGateway;
 
-    /**
-     * 相关方车辆审核通过后，同步新增大华车辆。
-     */
     public void syncApprovedVehicle(Long vehicleApplyId) {
         VehicleApplyE vehicle = vehicleApplyGateway.getById(vehicleApplyId);
-        if (!isRelatedPartyVehicle(vehicle)) {
+        if (vehicle == null) {
             return;
         }
-        syncAddedVehicle(vehicle);
+        if (isRelatedPartyVehicle(vehicle)) {
+            syncAddedVehicle(vehicle);
+        } else if (isTempVehicle(vehicle)) {
+            syncTempVehicle(vehicle);
+        }
     }
 
-    /**
-     * 删除相关方车辆时，同步删除对应的大华车辆。
-     */
     public void syncDeletedVehicles(List<VehicleApplyE> vehicles) {
         if (vehicles == null || vehicles.isEmpty()) {
             return;
@@ -57,22 +56,54 @@ public class DaHuaVehicleSyncExe {
         checkResult(daHuaGateway.addCar(buildCarCmd(vehicle)), "新增大华车辆失败");
     }
 
+    private void syncTempVehicle(VehicleApplyE vehicle) {
+        log.info("同步临时车辆到大华平台: licenceNo={}, vehicleApplyId={}", vehicle.getLicenceNo(), vehicle.getId());
+        Map<String, Object> result = daHuaGateway.saveTempVehicle(buildTempVehicleCmd(vehicle));
+        checkResult(result, "同步临时车辆到大华失败");
+        log.info("临时车辆同步成功: licenceNo={}", vehicle.getLicenceNo());
+    }
+
     private DaHuaCarAddCmd buildCarCmd(VehicleApplyE vehicle) {
         DaHuaCarAddCmd cmd = new DaHuaCarAddCmd();
         cmd.setCarNum(vehicle.getLicenceNo());
         cmd.setCarNumColor(CarEnum.getMenuKeyByPath(vehicle.getLicenceType()));
-        // 大华车辆类型与本地字典不一致，该字段可选，不能直接透传本地 vehicleType。
         cmd.setDepartmentId(1L);
         cmd.setDepartmentName(vehicle.getVehicleDepartmentName());
         cmd.setService("evo-thirdParty");
         return cmd;
     }
 
+    private DaHuaTempVehicleSaveCmd buildTempVehicleCmd(VehicleApplyE vehicle) {
+        DaHuaTempVehicleSaveCmd cmd = new DaHuaTempVehicleSaveCmd();
+        cmd.setName(vehicle.getEmployeeVehicleUserName());
+        cmd.setCode(vehicle.getLsUserIdcard());
+        cmd.setPaperNumber(vehicle.getLsUserIdcard());
+        cmd.setPhone(vehicle.getLsUserPhone());
+        cmd.setService("evo-thirdParty");
+        cmd.setValidStartTime(vehicle.getVisitStartTime());
+        cmd.setValidEndTime(vehicle.getVisitEndTime());
+        if (vehicle.getVehicleCorpId() != null) {
+            cmd.setDepartmentId(vehicle.getVehicleCorpId());
+        }
+        DaHuaTempVehicleSaveCmd.CarItem carItem = new DaHuaTempVehicleSaveCmd.CarItem();
+        carItem.setCarNum(vehicle.getLicenceNo());
+        carItem.setCarNumColor(CarEnum.getMenuKeyByPath(vehicle.getLicenceType()));
+        carItem.setDepartmentId(vehicle.getVehicleCorpId());
+        carItem.setDepartmentName(vehicle.getVehicleDepartmentName());
+        cmd.setCars(Collections.singletonList(carItem));
+        return cmd;
+    }
+
     private boolean isRelatedPartyVehicle(VehicleApplyE vehicle) {
         return vehicle != null
                 && VehicleBelongTypeEnum.XGF_VEHICLES.getCode().equals(vehicle.getVehicleBelongType());
     }
 
+    private boolean isTempVehicle(VehicleApplyE vehicle) {
+        return vehicle != null
+                && VehicleBelongTypeEnum.TEMP_VEHICLES.getCode().equals(vehicle.getVehicleBelongType());
+    }
+
     private void checkResult(Map<String, Object> result, String message) {
         if (result == null || !Boolean.TRUE.equals(result.get("passed"))) {
             Object errorMessage = result == null ? null : result.get("errMsg");