diff --git a/wisdomcar/src/main/java/com/ccsens/wisdomcar/persist/dao/PatientWisdomCarDao.java b/wisdomcar/src/main/java/com/ccsens/wisdomcar/persist/dao/PatientWisdomCarDao.java
index bfcc80af..877ba4b1 100644
--- a/wisdomcar/src/main/java/com/ccsens/wisdomcar/persist/dao/PatientWisdomCarDao.java
+++ b/wisdomcar/src/main/java/com/ccsens/wisdomcar/persist/dao/PatientWisdomCarDao.java
@@ -11,4 +11,11 @@ public interface PatientWisdomCarDao extends PatientWisdomCarMapper {
     List<Long>  queryByNew(@Param("id")Long id);
 
     List<WisdomCarVo.BindingCarInfo> queryBindingCarList(@Param("taskSubId")Long taskSubId);
+
+    /**
+     * 查看患者平车id是否存在
+     * @param patientCarId 患者平车id
+     * @return 是否存在
+     */
+    Integer findIsExist(@Param("id") Long patientCarId);
 }
diff --git a/wisdomcar/src/main/java/com/ccsens/wisdomcar/service/StepService.java b/wisdomcar/src/main/java/com/ccsens/wisdomcar/service/StepService.java
index 2eff2918..1cbe1067 100644
--- a/wisdomcar/src/main/java/com/ccsens/wisdomcar/service/StepService.java
+++ b/wisdomcar/src/main/java/com/ccsens/wisdomcar/service/StepService.java
@@ -1,8 +1,10 @@
 package com.ccsens.wisdomcar.service;
 
+import com.ccsens.util.exception.BaseException;
 import com.ccsens.wisdomcar.bean.dto.StepDto;
 import com.ccsens.wisdomcar.bean.vo.StepVo;
 
+import com.ccsens.wisdomcar.persist.dao.PatientWisdomCarDao;
 import com.ccsens.wisdomcar.persist.dao.StepDao;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -23,9 +25,15 @@ public class StepService implements IStepService {
 
     @Resource
     private StepDao stepDao;
+    @Resource
+    private PatientWisdomCarDao patientWisdomCarDao;
 
     @Override
     public List<StepVo.StepStatus> findStepIsOver(StepDto.FindStepStatus param) {
+        Integer isExist = patientWisdomCarDao.findIsExist(param.getPatientCarId());
+        if (0 == isExist){
+            throw new BaseException("请检查患者是否绑定平车");
+        }
         return stepDao.findStepIsOver(param.getPatientCarId());
     }
 
diff --git a/wisdomcar/src/main/resources/mapper_dao/PatientWisdomCarDao.xml b/wisdomcar/src/main/resources/mapper_dao/PatientWisdomCarDao.xml
index a545c030..6dac5d6e 100644
--- a/wisdomcar/src/main/resources/mapper_dao/PatientWisdomCarDao.xml
+++ b/wisdomcar/src/main/resources/mapper_dao/PatientWisdomCarDao.xml
@@ -28,4 +28,13 @@
 		and a.task_sub_id=#{taskSubId}
 		order by a.start_time desc
 	</select>
+
+	<select id="findIsExist" resultType="Integer">
+		SELECT
+			COUNT(id)
+		FROM
+			t_patient_wisdom_car
+		WHERE
+			id = #{id}
+	</select>
 </mapper>
\ No newline at end of file