Index: ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanOptimizeManagerImpl.java
===================================================================
diff -u -r28248 -r28566
--- ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanOptimizeManagerImpl.java	(.../InvoicePlanOptimizeManagerImpl.java)	(revision 28248)
+++ ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanOptimizeManagerImpl.java	(.../InvoicePlanOptimizeManagerImpl.java)	(revision 28566)
@@ -182,7 +182,11 @@
 					departCodingList.add(departCode);
 				}
 				String type = (String)map.get("type");
-				Integer grade = (Integer)map.get("grade");
+				Integer grade = null;
+				Number gradeOfNumber = (Number)map.get("grade");
+				if(gradeOfNumber != null){
+					grade = gradeOfNumber.intValue();
+				}
 				Integer count = new Integer(((Number)map.get("cnt")).intValue());
 				Map<String,Integer> typeCountMap = departTypeCountMap.get(departCode);
 				if(typeCountMap == null){