Index: ssts-invoice/src/main/java/com/forgon/disinfectsystem/invoicemanager/service/InvoiceOptimizeManagerImpl.java
===================================================================
diff -u -r28458 -r28461
--- ssts-invoice/src/main/java/com/forgon/disinfectsystem/invoicemanager/service/InvoiceOptimizeManagerImpl.java	(.../InvoiceOptimizeManagerImpl.java)	(revision 28458)
+++ ssts-invoice/src/main/java/com/forgon/disinfectsystem/invoicemanager/service/InvoiceOptimizeManagerImpl.java	(.../InvoiceOptimizeManagerImpl.java)	(revision 28461)
@@ -4022,7 +4022,7 @@
 							restWaitMatchSendAmount = (restWaitMatchSendAmount - amount);
 							newMatchIdentiToAmountMap.put(entry.getKey(), amount);
 							entry.setValue(0);
-							alreadyMatchedAmount += amount;
+							alreadyMatchedAmount = MathTools.add(alreadyMatchedAmount,amount).intValue();
 						}
 						barcodeAlreadyMatchedSendAmountMap.put(barcode, alreadyMatchedAmount);
 						tousseItemMatchIdentiToAmountMapMap.put(tousseItem, newMatchIdentiToAmountMap);