diff --git a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/controller/HotVehicleThreeInspectController.java b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/controller/HotVehicleThreeInspectController.java
index ed15f84..3080485 100644
--- a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/controller/HotVehicleThreeInspectController.java
+++ b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/controller/HotVehicleThreeInspectController.java
@@ -14,6 +14,7 @@ import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import lombok.RequiredArgsConstructor;
@@ -94,6 +95,16 @@ public class HotVehicleThreeInspectController extends BaseController {
         return R.ok(hotVehicleThreeInspectService.queryReceivedVehicles(bo));
     }
 
+    /**
+     * 校验当前驾驶员是否可选择指定车辆
+     */
+    @GetMapping("/checkSelectableVehicle")
+    @Operation(summary = "校验当前驾驶员是否可选择指定车辆")
+    public R<Boolean> checkSelectableVehicle(@RequestParam @NotBlank(message = "驾驶员ID不能为空") String driverId,
+                                             @RequestParam @NotBlank(message = "车辆ID不能为空") String vehicleId) {
+        return R.ok(hotVehicleThreeInspectService.checkSelectableVehicle(driverId, vehicleId));
+    }
+
     /**
      * 导出车辆三检列表
      */
diff --git a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/IHotVehicleThreeInspectService.java b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/IHotVehicleThreeInspectService.java
index af6ebe0..d0a0d95 100644
--- a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/IHotVehicleThreeInspectService.java
+++ b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/IHotVehicleThreeInspectService.java
@@ -114,6 +114,16 @@ public interface IHotVehicleThreeInspectService {
      */
     void validateNoUnfinishedSwitchVehicleProcess(String vehicleId, String actionMessage);
 
+    /**
+     * 校验当前驾驶员是否可选择指定车辆。
+     * 若车辆未出车则直接返回true；若车辆已出车，且当次三检流程未完成，且记录驾驶员不是当前驾驶员，则抛出异常。
+     *
+     * @param driverId  当前驾驶员ID
+     * @param vehicleId 车辆ID
+     * @return 是否可选择
+     */
+    boolean checkSelectableVehicle(String driverId, String vehicleId);
+
     /**
      * 修改车辆三检
      *
diff --git a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/impl/HotVehicleThreeInspectServiceImpl.java b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/impl/HotVehicleThreeInspectServiceImpl.java
index e8dbe2b..074ba38 100644
--- a/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/impl/HotVehicleThreeInspectServiceImpl.java
+++ b/src/main/java/com/hotwj/platform/config/vehicleThreeInspect/service/impl/HotVehicleThreeInspectServiceImpl.java
@@ -25,6 +25,8 @@ import com.hotwj.platform.resourceManagement.vehicleManagement.domain.HotVehicle
 import com.hotwj.platform.resourceManagement.vehicleManagement.domain.vo.HotVehicleVo;
 import com.hotwj.platform.resourceManagement.vehicleManagement.mapper.HotVehicleMapper;
 import com.hotwj.platform.securityManagement.hiddenDanger.mapper.HotHiddenDangerMapper;
+import com.hotwj.platform.securityManagement.vehicleInoutCheck.domain.HotVehicleInoutCheck;
+import com.hotwj.platform.securityManagement.vehicleInoutCheck.mapper.HotVehicleInoutCheckMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.common.core.exception.ServiceException;
@@ -58,6 +60,7 @@ public class HotVehicleThreeInspectServiceImpl implements IHotVehicleThreeInspec
     private final HotVehicleThreeInspectMapper baseMapper;
     private final HotVehicleMapper hotVehicleMapper;
     private final HotHiddenDangerMapper hotHiddenDangerMapper;
+    private final HotVehicleInoutCheckMapper hotVehicleInoutCheckMapper;
     private final ISysFlowService flowService;
     private final IHotSystemNotificationService notificationService;
     private final SignatureVerifyService signatureVerifyService;
@@ -122,6 +125,27 @@ public class HotVehicleThreeInspectServiceImpl implements IHotVehicleThreeInspec
         }
     }
 
+    @Override
+    public boolean checkSelectableVehicle(String driverId, String vehicleId) {
+        String trimmedDriverId = StringUtils.trimToNull(driverId);
+        String trimmedVehicleId = StringUtils.trimToNull(vehicleId);
+        if (StringUtils.isBlank(trimmedDriverId)) {
+            throw new ServiceException("驾驶员ID不能为空");
+        }
+        Long parsedVehicleId = parseVehicleId(trimmedVehicleId);
+        if (parsedVehicleId == null || !isVehicleOutbound(parsedVehicleId)) {
+            return true;
+        }
+        HotVehicleThreeInspect latestInspect = selectLatestInspect(parsedVehicleId);
+        if (latestInspect == null || Objects.equals(latestInspect.getInspectPhase(), 3L)) {
+            return true;
+        }
+        if (StringUtils.equals(trimmedDriverId, StringUtils.trimToEmpty(latestInspect.getDriverId()))) {
+            return true;
+        }
+        throw new ServiceException(buildVehicleOccupiedMessage(parsedVehicleId));
+    }
+
     /**
      * 查询车辆三检
      *
@@ -361,6 +385,19 @@ public class HotVehicleThreeInspectServiceImpl implements IHotVehicleThreeInspec
         return "'" + plateNumber + "'车辆已出任务，请重新选择其他车辆";
     }
 
+    private boolean isVehicleOutbound(Long vehicleId) {
+        if (vehicleId == null) {
+            return false;
+        }
+        return hotVehicleInoutCheckMapper.selectCount(
+                Wrappers.<HotVehicleInoutCheck>lambdaQuery()
+                        .eq(HotVehicleInoutCheck::getVehicleId, vehicleId)
+                        .eq(HotVehicleInoutCheck::getIsDeleted, 0L)
+                        .isNotNull(HotVehicleInoutCheck::getDepartureTime)
+                        .isNull(HotVehicleInoutCheck::getReturnTime)
+        ) > 0;
+    }
+
     private void validateInspectorSignatureByPhase(HotVehicleThreeInspectBo bo) {
         Long inspectPhase = bo.getInspectPhase();
         if (inspectPhase == null) {