diff --git a/ruoyi-service/src/main/java/com/ruoyi/bst/fault/mapper/FaultMapper.xml b/ruoyi-service/src/main/java/com/ruoyi/bst/fault/mapper/FaultMapper.xml
index fc8e764..3d254c7 100644
--- a/ruoyi-service/src/main/java/com/ruoyi/bst/fault/mapper/FaultMapper.xml
+++ b/ruoyi-service/src/main/java/com/ruoyi/bst/fault/mapper/FaultMapper.xml
@@ -59,6 +59,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <include refid="selectFaultVo"/>
         <where>
             <include refid="searchCondition"/>
+            order by bf.create_time desc
         </where>
     </select>
 
diff --git a/ruoyi-service/src/main/java/com/ruoyi/bst/fault/service/impl/FaultServiceImpl.java b/ruoyi-service/src/main/java/com/ruoyi/bst/fault/service/impl/FaultServiceImpl.java
index 2dc2642..b6a81b3 100644
--- a/ruoyi-service/src/main/java/com/ruoyi/bst/fault/service/impl/FaultServiceImpl.java
+++ b/ruoyi-service/src/main/java/com/ruoyi/bst/fault/service/impl/FaultServiceImpl.java
@@ -5,6 +5,8 @@ import java.util.List;
 import com.github.pagehelper.PageHelper;
 import com.ruoyi.bst.area.domain.AreaQuery;
 import com.ruoyi.bst.area.domain.AreaVO;
+import com.ruoyi.bst.device.domain.DeviceVO;
+import com.ruoyi.bst.device.service.DeviceService;
 import com.ruoyi.bst.fault.domain.enums.FaultHandleStatus;
 import com.ruoyi.bst.fault.domain.enums.FaultStatus;
 import com.ruoyi.common.utils.DateUtils;
@@ -30,6 +32,8 @@ public class FaultServiceImpl implements FaultService
 {
     @Autowired
     private FaultMapper faultMapper;
+    @Autowired
+    private DeviceService deviceService;
 
     @Override
     public FaultVO selectFaultById(Long id, boolean scope) {
@@ -77,7 +81,9 @@ public class FaultServiceImpl implements FaultService
     {
             fault.setCreateTime(DateUtils.getNowDate());
             fault.setUserId(SecurityUtils.getLoginUser().getUserId());
-            return faultMapper.insertFault(fault);
+        DeviceVO vo = deviceService.selectDeviceBySn(fault.getVehicleNum());
+        ServiceUtil.assertion(vo==null,"当前设备不存在");
+        return faultMapper.insertFault(fault);
     }
 
     /**