修改导出

business-service/src/main/java/com/ozs/service/service/impl/BaseDeviceDynamicManagementServiceImpl.java

@@ -68,8 +68,11 @@ public class BaseDeviceDynamicManagementServiceImpl extends ServiceImpl<BaseDevi
                         .children(new ArrayList<>())
                         .build();
                 if (!ObjectUtils.isEmpty(map.get(o.getRailwayCode()))) {
-                    map.put(o.getRailwayCode()+"-"+o.getPublicWorksSection(), build3);
-                    map.get(o.getRailwayCode()).getChildren().add(build3);
+                    CameraTree cameraTree3=map.get(o.getRailwayCode()+"-"+o.getPublicWorksSection());
+                    if (ObjectUtils.isEmpty(cameraTree3)) {
+                        map.put(o.getRailwayCode() + "-" + o.getPublicWorksSection(), build3);
+                        map.get(o.getRailwayCode()).getChildren().add(build3);
+                    }
                 }
 
                 // 里程