diff --git a/renren-admin/src/main/java/io/renren/modules/monitor/service/MonitorService.java b/renren-admin/src/main/java/io/renren/modules/monitor/service/MonitorService.java
index 14931321..6efd0b85 100644
--- a/renren-admin/src/main/java/io/renren/modules/monitor/service/MonitorService.java
+++ b/renren-admin/src/main/java/io/renren/modules/monitor/service/MonitorService.java
@@ -1138,6 +1138,9 @@ public class MonitorService {
                     getOrgenizationByParent(list,a.getString("id"));
                 }
             });
+            if(list != null && list.size() > 0){
+                cameraOrgenMapper.truncate("t_camera_organization");
+            }
             return list;
         }catch (Exception e){
             log.info(e.getMessage());