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 45190176..fb35ffc9 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
@@ -455,6 +455,16 @@ public class SysEquipmentServiceImpl implements SysEquipmentService {
                 item.setDeviceId(sysGenExtPropsDto.getId());
                 sysEquipmentDocsMapper.insert(item);
             }
+        }else {
+            QueryWrapper<SysEquipmentDocs> queryWrapper = new QueryWrapper<>();
+            queryWrapper.eq("deviceid",sysGenExtPropsDto.getId());
+            List<SysEquipmentDocs> sysEquipmentDocs = sysEquipmentDocsMapper.selectList(queryWrapper);
+            if (CollectionUtils.isNotEmpty(sysEquipmentDocs)){
+                for (SysEquipmentDocs item : sysEquipmentDocs){
+                    deleteFile(item);
+                    sysEquipmentDocsMapper.deleteById(item.getId());
+                }
+            }
         }
         QueryWrapper<SysEquipmentDocs> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("deviceid",sysGenExtPropsDto.getId());