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 83aec758..4368905d 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
@@ -15,6 +15,7 @@ import com.das.common.utils.PageQuery;
 import com.das.common.utils.SequenceUtils;
 import com.das.modules.auth.domain.vo.SysUserVo;
 import com.das.modules.auth.mapper.SysOrgMapper;
+import com.das.modules.data.service.impl.DataServiceImpl;
 import com.das.modules.equipment.domain.dto.SysEquipmentDto;
 import com.das.modules.equipment.domain.excel.SysEquipmentExcel;
 import com.das.modules.equipment.domain.vo.SysEquipmentVo;
@@ -58,6 +59,9 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
     @Autowired
     private SysIotModelMapper sysIotModelMapper;
 
+    @Autowired
+    private DataServiceImpl dataService;
+
     @Override
     public SysEquipmentVo creatSysEquipment(SysEquipmentDto sysEquipmentDto) {
         //去除空格
@@ -76,6 +80,10 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
         sysEquipment.setUpdatedBy(sysUserVo.getAccount());
         sysEquipment.setRevision(1);
         sysEquipmentMapper.insert(sysEquipment);
+        //物模型不为空 增加设备物模型mapping缓存
+        if (sysEquipment.getIotModelId() != null){
+            dataService.deviceModelMap.put(sysEquipment.getId().toString(),dataService.iotModelMap.get(sysEquipment.getIotModelId().toString()));
+        }
         SysEquipmentVo sysEquipmentVo = new SysEquipmentVo();
         BeanCopyUtils.copy(sysEquipment, sysEquipmentVo);
         return sysEquipmentVo;
@@ -98,6 +106,9 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
         sysEquipment.setUpdatedTime(new Date());
         sysEquipment.setUpdatedBy(sysUserVo.getAccount());
         sysEquipmentMapper.updateById(sysEquipment);
+        if (oldSysEquipment.getIotModelId() == null && sysEquipment.getIotModelId() != null){
+            dataService.deviceModelMap.put(sysEquipment.getId().toString(),dataService.iotModelMap.get(sysEquipment.getIotModelId().toString()));
+        }
         SysEquipmentVo sysEquipmentVo = new SysEquipmentVo();
         BeanCopyUtils.copy(sysEquipment, sysEquipmentVo);
         return sysEquipmentVo;
@@ -110,6 +121,8 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
             throw new RuntimeException("该设备下有子设备，不能删除");
         }
         sysEquipmentMapper.deleteById(sysEquipmentDto.getId());
+        //删除缓存
+        dataService.deviceModelMap.remove(sysEquipmentDto.getId().toString());
     }
 
     @Override