diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/common/BaseConstants.java b/dl-module-base/src/main/java/cn/iocoder/yudao/common/BaseConstants.java
index 8f98162a..59c1eadf 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/common/BaseConstants.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/common/BaseConstants.java
@@ -25,6 +25,12 @@ public class BaseConstants {
     public static final String PASSWORD_DEFAULT = "123456";
     /**租户下部门名称*/
     public static final String DEPT_NAME_CORP_NAME = "政企客户";
+    /**计算下次保险时间*/
+    public static final String COMPUTE_TYPE_BX = "bx";
+    /**计算下次保养时间*/
+    public static final String COMPUTE_TYPE_BY = "by";
+    /**计算下次检测时间*/
+    public static final String COMPUTE_TYPE_JC = "jc";
     /**企业管理-员工管理表名称*/
     public static final String COMPANY_STAFF = "company_staff";
     /**员工标识*/
diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/entity/CarMain.java b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/entity/CarMain.java
index 384a95e9..aed4e4c7 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/entity/CarMain.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/entity/CarMain.java
@@ -2,6 +2,8 @@ package cn.iocoder.yudao.module.custom.entity;
 
 import cn.iocoder.yudao.framework.tenant.core.db.TenantBaseDO;
 import lombok.*;
+
+import java.math.BigDecimal;
 import java.util.*;
 import java.time.LocalDateTime;
 import java.time.LocalDateTime;
@@ -16,6 +18,9 @@ import java.time.LocalDateTime;
 import java.time.LocalDateTime;
 import com.baomidou.mybatisplus.annotation.*;
 import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY;
 
 /**
  * 车辆信息 DO
@@ -51,42 +56,50 @@ public class CarMain extends TenantBaseDO {
     /**
      * 保养日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime maintenanceDate;
     /**
      * 保养里程
      */
-    private String maintenanceMileage;
+    private BigDecimal maintenanceMileage;
     /**
      * 年检日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime inspectionDate;
     /**
      * 保险日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime insuranceDate;
     /**
      * 二级维护时间
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime checkDate;
     /**
      * 下次保养日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime nextMaintenanceDate;
     /**
      * 下次保养里程
      */
-    private Integer nextMaintenanceMileage;
+    private BigDecimal nextMaintenanceMileage;
     /**
      * 下次年检日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime nextInspectionDate;
     /**
      * 保险到期日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime insuranceExpiryDate;
     /**
      * 下次二级维护时间
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime nextCheckDate;
     /**
      * 车辆品牌
@@ -103,6 +116,7 @@ public class CarMain extends TenantBaseDO {
     /**
      * 车辆注册日期
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime carRegisterDate;
     /**
      * 行驶证图片
@@ -115,6 +129,7 @@ public class CarMain extends TenantBaseDO {
     /**
      * 最近办理业务的时间
      */
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
     private LocalDateTime recentlyHandleBusinessTime;
 
 
diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/CarMainService.java b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/CarMainService.java
index 94c236db..5daf0a75 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/CarMainService.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/CarMainService.java
@@ -5,12 +5,14 @@ import javax.validation.*;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.module.custom.entity.CarMain;
+import cn.iocoder.yudao.module.custom.vo.CarBrandRespVO;
 import cn.iocoder.yudao.module.custom.vo.CarMainReqVO;
 import cn.iocoder.yudao.module.custom.vo.CarMainRespVO;
 import cn.iocoder.yudao.module.custom.vo.CustomerMainSaveReqVO;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 /**
@@ -66,4 +68,15 @@ public interface CarMainService extends IService<CarMain> {
      * @return void
      **/
     void bindCustomAndCar(CarMainReqVO saveReqVO);
+
+    /**
+     * 测算车辆下一次保养/检测/保险时间
+     * @author PQZ
+     * @date 7:45 2024/8/9
+     * @param reqVO TODO
+     * @return java.time.LocalDateTime
+    **/
+    LocalDateTime compute(CarMainReqVO reqVO);
+
+
 }
\ No newline at end of file
diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/impl/CarMainServiceImpl.java b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/impl/CarMainServiceImpl.java
index 10373e6f..f7c567d4 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/impl/CarMainServiceImpl.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/service/impl/CarMainServiceImpl.java
@@ -20,9 +20,12 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 
+import static cn.iocoder.yudao.common.BaseConstants.COMPUTE_TYPE_BX;
 import static cn.iocoder.yudao.common.BaseConstants.CUS_SIGN_CAR;
 
 /**
@@ -195,6 +198,20 @@ public class CarMainServiceImpl extends ServiceImpl<CarMainMapper, CarMain> impl
         customerCarService.bindCustomerCar(saveReqVO.getId(),CUS_SIGN_CAR,customerCars);
     }
 
+    /**
+     * 测算车辆下一次保养/检测/保险时间
+     * @author PQZ
+     * @date 7:45 2024/8/9
+     * @param reqVO CarMainReqVO
+     * @return java.time.LocalDateTime
+     **/
+    @Override
+    public LocalDateTime compute(CarMainReqVO reqVO) {
+        LocalDateTime resultTime;
+
+        return null;
+    }
+
     /**
      * 车牌号，车架号，发动机号码 查重
      * @param reqVO
diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainReqVO.java b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainReqVO.java
index dba7d736..cc30d480 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainReqVO.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainReqVO.java
@@ -1,10 +1,16 @@
 package cn.iocoder.yudao.module.custom.vo;
 
+import cn.iocoder.yudao.module.custom.entity.CarMain;
 import cn.iocoder.yudao.module.label.entity.BusiLabel;
 import lombok.*;
 import io.swagger.v3.oas.annotations.media.Schema;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import org.springframework.format.annotation.DateTimeFormat;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.List;
 
@@ -15,75 +21,23 @@ import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_
 @Data
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
-public class CarMainReqVO extends PageParam {
-    @Schema(description = "主键ID")
-    private String id;
+public class CarMainReqVO extends CarMain {
 
-    @Schema(description = "发动机号码")
-    private String engineNumber;
+    @Schema(description = "页码，从 1 开始", requiredMode = Schema.RequiredMode.REQUIRED,example = "1")
+    @NotNull(message = "页码不能为空")
+    @Min(value = 1, message = "页码最小值为 1")
+    private Integer pageNo = 1;
 
-    @Schema(description = "车架号")
-    private String vin;
+    @Schema(description = "每页条数，最大值为 100", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
+    @NotNull(message = "每页条数不能为空")
+    @Min(value = 1, message = "每页条数最小值为 1")
+    @Max(value = 100, message = "每页条数最大值为 100")
+    private Integer pageSize = 10;
 
-    @Schema(description = "车牌号")
-    private String licenseNumber;
 
-    @Schema(description = "车辆型号")
-    private String carModel;
-
-    @Schema(description = "保养日期")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime maintenanceDate;
-
-    @Schema(description = "保养里程")
-    private String maintenanceMileage;
-
-    @Schema(description = "年检日期")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime inspectionDate;
-
-    @Schema(description = "保险日期")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime insuranceDate;
-
-    @Schema(description = "二级维护时间")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime checkDate;
-
-    @Schema(description = "车辆品牌")
-    private String carBrand;
-
-    @Schema(description = "车辆性质：营运 非营运等")
-    private String carNature;
-
-    @Schema(description = "车辆类别：私家车 货车 教练车 公务车 出租车")
-    private String carCategory;
-
-    @Schema(description = "车辆注册日期")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime carRegisterDate;
-
-    @Schema(description = "行驶证图片")
-    private String carLicenseImg;
-
-    @Schema(description = "最近办理业务")
-    private String recentlyHandledBusiness;
-
-    @Schema(description = "最近办理业务的时间")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime recentlyHandleBusinessTime;
-
-    @Schema(description = "创建时间")
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY)
-    private LocalDateTime createTime;
-
-    @Schema(description = "租户ID")
-    private String tenantId;
-
-    @Schema(description = "车辆绑定客户信息")
+    /**车辆绑定客户信息*/
     private List<CustomerMainRespVO> cusList;
-
-    @Schema(description = "车辆绑定标签信息")
+    /**车辆绑定标签信息*/
     List<BusiLabel> labelList;
     /**车辆品牌型号数组*/
     List<String> brandAndModel;
diff --git a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainRespVO.java b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainRespVO.java
index eb533506..6f9e3ff0 100644
--- a/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainRespVO.java
+++ b/dl-module-base/src/main/java/cn/iocoder/yudao/module/custom/vo/CarMainRespVO.java
@@ -18,9 +18,7 @@ import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_
 public class CarMainRespVO extends CarMain {
 
 
-    @Schema(description = "创建时间")
-    @ExcelProperty("创建时间")
-    private LocalDateTime createTime;
+
 
     /**是否车主（0否1是）*/
     @Schema(description = "是否车主（0否1是）")