fix bug

server-service/src/main/java/com/makeit/service/platform/workstation/impl/WorkStationServiceImpl.java

@@ -561,7 +561,7 @@ public class WorkStationServiceImpl implements WorkStationService {
         }
         }
         List<String> orgIds = orgs.stream().map(PlatOrg::getId).collect(Collectors.toList());
         List<String> orgIds = orgs.stream().map(PlatOrg::getId).collect(Collectors.toList());
 
 
-        if(!dto.getOrgIds().isEmpty()){
+        if(dto.getOrgIds()!=null && !dto.getOrgIds().isEmpty()){
             orgIds = dto.getOrgIds();
             orgIds = dto.getOrgIds();
         }
         }