diff --git a/car-base-common/src/main/java/com/god/base/domain/TopicCar.java b/car-base-common/src/main/java/com/god/base/domain/TopicCar.java
new file mode 100644
index 0000000..d552ce9
--- /dev/null
+++ b/car-base-common/src/main/java/com/god/base/domain/TopicCar.java
@@ -0,0 +1,43 @@
+package com.god.base.domain;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.god.base.domain.request.CarRequest;
+import com.god.common.core.annotation.Excel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * 车辆信息管理对象
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@TableName(value = "t_car")
+public class TopicCar implements Serializable {
+
+    /**
+     * 车辆Vin 主键
+     */
+    @Excel(name = "车辆carVibId")
+    private String carVinId;
+
+    /**
+     * 车辆状态
+     */
+    @Excel(name = "车辆状态")
+    private int status;
+
+    /**
+     * 车辆绑定的主题
+     */
+    private String topic;
+
+
+}
diff --git a/car-base-server/src/main/java/com/god/base/server/mapper/TopicCarMapper.java b/car-base-server/src/main/java/com/god/base/server/mapper/TopicCarMapper.java
new file mode 100644
index 0000000..8a306ff
--- /dev/null
+++ b/car-base-server/src/main/java/com/god/base/server/mapper/TopicCarMapper.java
@@ -0,0 +1,20 @@
+package com.god.base.server.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.god.base.domain.Car;
+import com.god.base.domain.TopicCar;
+import com.god.base.domain.request.CarRequest;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+
+/**
+ * 车辆mapper
+ */
+@Mapper
+public interface TopicCarMapper extends BaseMapper<TopicCar> {
+
+}
diff --git a/car-base-server/src/main/java/com/god/base/server/service/TopLineService.java b/car-base-server/src/main/java/com/god/base/server/service/TopLineService.java
index 1dbe44f..eec6c3f 100644
--- a/car-base-server/src/main/java/com/god/base/server/service/TopLineService.java
+++ b/car-base-server/src/main/java/com/god/base/server/service/TopLineService.java
@@ -2,6 +2,7 @@ package com.god.base.server.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.god.base.domain.Car;
+import com.god.base.domain.TopicCar;
 import com.god.base.domain.request.GetTopicReq;
 
 /**
@@ -9,7 +10,7 @@ import com.god.base.domain.request.GetTopicReq;
  * @Author fst
  * @date 2023/11/28 23:41
  */
-public interface TopLineService extends IService<Car> {
+public interface TopLineService extends IService<TopicCar> {
 
 
     /**
diff --git a/car-base-server/src/main/java/com/god/base/server/service/impl/TopLineServiceImpl.java b/car-base-server/src/main/java/com/god/base/server/service/impl/TopLineServiceImpl.java
index b369175..0fe701d 100644
--- a/car-base-server/src/main/java/com/god/base/server/service/impl/TopLineServiceImpl.java
+++ b/car-base-server/src/main/java/com/god/base/server/service/impl/TopLineServiceImpl.java
@@ -3,8 +3,10 @@ package com.god.base.server.service.impl;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.god.base.domain.Car;
+import com.god.base.domain.TopicCar;
 import com.god.base.domain.request.GetTopicReq;
 import com.god.base.server.mapper.CarMapper;
+import com.god.base.server.mapper.TopicCarMapper;
 import com.god.base.server.service.TopLineService;
 import com.god.common.core.exception.ServiceException;
 import com.god.common.core.utils.StringUtils;
@@ -21,7 +23,7 @@ import java.util.List;
  */
 @Service
 @Log4j2
-public class TopLineServiceImpl extends ServiceImpl<CarMapper, Car>  implements TopLineService {
+public class TopLineServiceImpl extends ServiceImpl<TopicCarMapper, TopicCar>  implements TopLineService {
 
     @Autowired
     private CarMapper carMapper;