diff --git a/february-vehicle-common/src/main/java/com/february/common/domain/Vehicle.java b/february-vehicle-common/src/main/java/com/february/common/domain/Vehicle.java
index ce3e6fa..1e096a2 100644
--- a/february-vehicle-common/src/main/java/com/february/common/domain/Vehicle.java
+++ b/february-vehicle-common/src/main/java/com/february/common/domain/Vehicle.java
@@ -5,6 +5,9 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+/**
+ * 车辆信息
+ */
 @Data
 @Builder
 @NoArgsConstructor
diff --git a/february-vehicle-common/src/main/java/com/february/common/domain/VehicleType.java b/february-vehicle-common/src/main/java/com/february/common/domain/VehicleType.java
index 2809ba4..385f740 100644
--- a/february-vehicle-common/src/main/java/com/february/common/domain/VehicleType.java
+++ b/february-vehicle-common/src/main/java/com/february/common/domain/VehicleType.java
@@ -5,6 +5,9 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+/**
+ * 车辆类型
+ */
 @Data
 @Builder
 @NoArgsConstructor
diff --git a/february-vehicle-server/src/main/java/com/vehicle/trajectory/controller/TrajectoryController.java b/february-vehicle-server/src/main/java/com/vehicle/trajectory/controller/TrajectoryController.java
index 510fa85..288f28e 100644
--- a/february-vehicle-server/src/main/java/com/vehicle/trajectory/controller/TrajectoryController.java
+++ b/february-vehicle-server/src/main/java/com/vehicle/trajectory/controller/TrajectoryController.java
@@ -10,6 +10,7 @@ import com.vehicle.trajectory.service.TrajectoryService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.servlet.http.HttpServletRequest;
@@ -40,7 +41,7 @@ public class TrajectoryController {
      */
     @GetMapping("/vehicleList")
     @WebLog(description = "查看在线车辆")
-    public Result<List<Vehicle>> carList() {
+    public Result<List<Vehicle>> vehicleList() {
         return trajectoryService.vehicleList();
     }
 
@@ -52,4 +53,13 @@ public class TrajectoryController {
     public Result<List<VehicleType>> vehicleTypeList(){
         return trajectoryService.vehicleTypeList();
     }
+
+    /**
+     * 回显车辆信息
+     */
+    @GetMapping("/echoVehicle")
+    @WebLog(description = "回显车辆信息")
+    public Result<Vehicle> echoVehicle(@RequestParam("vehicleId") Integer vehicleId){
+        return trajectoryService.echoVehicle(vehicleId);
+    }
 }
diff --git a/february-vehicle-server/src/main/java/com/vehicle/trajectory/mapper/TrajectoryMapper.java b/february-vehicle-server/src/main/java/com/vehicle/trajectory/mapper/TrajectoryMapper.java
index 41d0ea5..0ea5586 100644
--- a/february-vehicle-server/src/main/java/com/vehicle/trajectory/mapper/TrajectoryMapper.java
+++ b/february-vehicle-server/src/main/java/com/vehicle/trajectory/mapper/TrajectoryMapper.java
@@ -4,6 +4,7 @@ import com.february.common.domain.RealData;
 import com.february.common.domain.Vehicle;
 import com.february.common.domain.VehicleType;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 
@@ -14,4 +15,6 @@ public interface TrajectoryMapper {
     List<Vehicle> vehicleList();
 
     List<VehicleType> vehicleTypeList();
+
+    Vehicle echoVehicle(@Param("vehicleId") Integer vehicleId);
 }
diff --git a/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/TrajectoryService.java b/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/TrajectoryService.java
index e301936..af13fe5 100644
--- a/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/TrajectoryService.java
+++ b/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/TrajectoryService.java
@@ -13,4 +13,6 @@ public interface TrajectoryService<T, C> {
     Result<List<Vehicle>> vehicleList();
 
     Result<List<VehicleType>> vehicleTypeList();
+
+    Result<Vehicle> echoVehicle(Integer vehicleId);
 }
diff --git a/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/impl/TrajectoryServiceImpl.java b/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/impl/TrajectoryServiceImpl.java
index 7ce64e8..aec94a5 100644
--- a/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/impl/TrajectoryServiceImpl.java
+++ b/february-vehicle-server/src/main/java/com/vehicle/trajectory/service/impl/TrajectoryServiceImpl.java
@@ -57,5 +57,11 @@ public class TrajectoryServiceImpl implements TrajectoryService {
         return Result.success(vehicleTypes);
     }
 
+    @Override
+    public Result<Vehicle> echoVehicle(Integer vehicleId) {
+        Vehicle vehicle = mapper.echoVehicle(vehicleId);
+        return Result.success(vehicle);
+    }
+
 
 }
diff --git a/february-vehicle-server/src/main/resources/mapper/TrajectoryMapper.xml b/february-vehicle-server/src/main/resources/mapper/TrajectoryMapper.xml
index 51974fe..dd5fc73 100644
--- a/february-vehicle-server/src/main/resources/mapper/TrajectoryMapper.xml
+++ b/february-vehicle-server/src/main/resources/mapper/TrajectoryMapper.xml
@@ -3,15 +3,31 @@
 <mapper namespace="com.vehicle.trajectory.mapper.TrajectoryMapper">
 
     <select id="realDateList" resultType="com.february.common.domain.RealData">
-        select *
-        from t_real_data
+        SELECT
+            *
+        FROM
+            t_real_data
     </select>
     <select id="vehicleList" resultType="com.february.common.domain.Vehicle">
-        select *
-        from vehicle where vehicle_status = 1;
+        SELECT
+            *
+        FROM
+            vehicle
+        WHERE
+            vehicle_status = 1;
     </select>
     <select id="vehicleTypeList" resultType="com.february.common.domain.VehicleType">
-        select *
-        from vehicle_type;
+        SELECT
+            *
+        FROM
+            vehicle_type;
+    </select>
+    <select id="echoVehicle" resultType="com.february.common.domain.Vehicle">
+        SELECT
+            *
+        FROM
+            vehicle
+        WHERE
+            vehicle_id = #{vehicleId};
     </select>
 </mapper>