Index: ssts-packing/src/main/java/com/forgon/disinfectsystem/packing/service/PackingManagerImpl.java
===================================================================
diff -u -r18806 -r18821
--- ssts-packing/src/main/java/com/forgon/disinfectsystem/packing/service/PackingManagerImpl.java	(.../PackingManagerImpl.java)	(revision 18806)
+++ ssts-packing/src/main/java/com/forgon/disinfectsystem/packing/service/PackingManagerImpl.java	(.../PackingManagerImpl.java)	(revision 18821)
@@ -3276,7 +3276,11 @@
 			List<Long> ids = new ArrayList<Long>();
 			for (String id : idsStr){
 				if (StringUtils.isNumeric(id)){
-					ids.add(new Long(id));
+					Long lid = new Long(id);
+					if(ids.contains(lid)){
+						continue;
+					}
+					ids.add(lid);
 				}
 			}
 			Map<Long,WashAndDisinfectRecord> idToWashRecordMap = washAndDisinfectRecordManager.getIdToWashRecordMapByPackingTaskIds(ids);