diff --git a/das/src/main/java/com/das/modules/equipment/mapper/SysEquipmentMapper.java b/das/src/main/java/com/das/modules/equipment/mapper/SysEquipmentMapper.java
index 8e8f34ac..ea6ef940 100644
--- a/das/src/main/java/com/das/modules/equipment/mapper/SysEquipmentMapper.java
+++ b/das/src/main/java/com/das/modules/equipment/mapper/SysEquipmentMapper.java
@@ -33,4 +33,6 @@ public interface SysEquipmentMapper extends BaseMapperPlus<SysEquipment, SysEqui
     List<BaseImptabmappingVo> getEquipmentServiceInfo(Long equipmentId);
 
 
+    int queryEquipmentByCode(@Param("code")String code);
+
 }
diff --git a/das/src/main/java/com/das/modules/equipment/service/impl/SysEquipmentServiceImpl.java b/das/src/main/java/com/das/modules/equipment/service/impl/SysEquipmentServiceImpl.java
index 67c8633b..edd915b9 100644
--- a/das/src/main/java/com/das/modules/equipment/service/impl/SysEquipmentServiceImpl.java
+++ b/das/src/main/java/com/das/modules/equipment/service/impl/SysEquipmentServiceImpl.java
@@ -62,6 +62,10 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
         BeanCopyUtils.copy(sysEquipmentDto, sysEquipment);
 
         SysUserVo sysUserVo = (SysUserVo) StpUtil.getTokenSession().get(SessionUtil.SESSION_USER_KEY);
+        // 判断设备编码是否存在
+        if (sysEquipmentMapper.queryEquipmentByCode(sysEquipment.getCode()) > 0) {
+            throw new RuntimeException("设备编码已存在");
+        }
         sysEquipment.setCreatedTime(new Date());
         sysEquipment.setUpdatedTime(new Date());
         sysEquipment.setCreatedBy(sysUserVo.getAccount());
diff --git a/das/src/main/resources/mapper/SysEquipmentMapper.xml b/das/src/main/resources/mapper/SysEquipmentMapper.xml
index b3c44f70..a5463f94 100644
--- a/das/src/main/resources/mapper/SysEquipmentMapper.xml
+++ b/das/src/main/resources/mapper/SysEquipmentMapper.xml
@@ -132,4 +132,8 @@
         where se.id = #{id}
     </select>
 
+    <select id="queryEquipmentByCode" resultType="java.lang.Integer">
+        select count(1) from sys_equipment where code = #{code}
+    </select>
+
 </mapper>