配送页面字段内容调整

src/main/java/com/delivery/project/document/domain/dto/DeliveryOrderStatQuery.java

@@ -27,7 +27,7 @@ public class DeliveryOrderStatQuery {
     private List<String> orderStatusList;
 
     /** 车辆类型ID */
-    private Long vehicleTypeId;
+    private String vehicleTypeId;
 
     /** 车牌号（可选，用于后续扩展） */
     private String plateNo;

src/main/java/com/delivery/project/document/domain/vo/DeliveryVehicleTypeStatVO.java

@@ -11,7 +11,7 @@ import java.math.BigDecimal;
 public class DeliveryVehicleTypeStatVO {
 
     /** 车辆类型ID */
-    private Long vehicleTypeId;
+    private String vehicleTypeId;
 
     /** 车辆类型名称 */
     private String vehicleTypeName;