Index: forgon-core/src/main/java/com/forgon/serialnumber/service/SerialNumManagerImpl.java
===================================================================
diff -u -r16472 -r16486
--- forgon-core/src/main/java/com/forgon/serialnumber/service/SerialNumManagerImpl.java	(.../SerialNumManagerImpl.java)	(revision 16472)
+++ forgon-core/src/main/java/com/forgon/serialnumber/service/SerialNumManagerImpl.java	(.../SerialNumManagerImpl.java)	(revision 16486)
@@ -32,6 +32,7 @@
 	private static SerialNumVo cleanSerialNum = null;
 	
 	private static final int PREFENTCH_SIZE = 1000;
+	private static final int SERIAL_NUMBER_START = 1;
 	private SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd");
 	
 	public void setSerialNumberDao(SerialNumberDao serialNumberDao) {
@@ -131,7 +132,7 @@
 						&& StringUtils.isNumeric(serialNumberStr)) {
 					vo.setSerialNum(Integer.parseInt(serialNumberStr));
 				} else {
-					vo.setSerialNum(0);
+					vo.setSerialNum(SERIAL_NUMBER_START);
 				}
 				vo.setSnMode(serialNum.getDefaultSerialNum());
 				vo.setIsEveryDayClean(serialNum.getIsEveryDayClean());
@@ -153,9 +154,9 @@
 						.getDateTime())) {
 					vo.setDateTime(currentDate);
 					vo.setCount(PREFENTCH_SIZE);
-					vo.setSerialNum(0);
+					vo.setSerialNum(SERIAL_NUMBER_START);
 					SerialNum serialNumObj = getSerialNumber(type);
-					serialNumObj.setSerialNumber("" + PREFENTCH_SIZE);
+					serialNumObj.setSerialNumber((SERIAL_NUMBER_START + PREFENTCH_SIZE)+"");
 					serialNumObj.setDateTime(currentDate);
 					objectDao.saveOrUpdate(serialNumObj);
 				}
@@ -192,13 +193,13 @@
 				if(serialNumObj != null){
 					String serialNumStr = serialNumObj.getSerialNumber();
 					if(StringUtils.isBlank(serialNumStr)){
-						serialNumStr = "0";
+						serialNumStr = SERIAL_NUMBER_START + "";
 					}
 					int num = Integer.parseInt(serialNumStr);
 					serialNumObj.setSerialNumber("" + (num + PREFENTCH_SIZE));
 					objectDao.saveOrUpdate(serialNumObj);
 					objectDao.flush();
-					vo.setSerialNum(num - 1);
+					vo.setSerialNum(num);
 					vo.setCount(PREFENTCH_SIZE);
 				}
 			}
@@ -208,22 +209,22 @@
 				if(serialNumObj != null){
 					String numStr = serialNumObj.getSerialNumber();
 					if(StringUtils.isBlank(numStr)){
-						numStr = "0";
+						numStr = SERIAL_NUMBER_START + "";
 					}
 					initSerialNumInMemory(serialNumObj);
 				}else{
-					vo.setSerialNum(0);
+					vo.setSerialNum(SERIAL_NUMBER_START);
 				}
 			}
 			Integer serialNum = vo.getSerialNum();
 			Integer count = vo.getCount();
-			serialNum++;
+			int useSerialNum = serialNum++;
 			count--;
 			
 			vo.setCount(count);
 			vo.setSerialNum(serialNum);
 			vo.setDateTime(currentDate);
-			return serialNumberDao.creatSerialNumber(vo.getSnMode(), "" + serialNum);
+			return serialNumberDao.creatSerialNumber(vo.getSnMode(), "" + useSerialNum);
 		}
 		return null;
 	}
Index: ssts-web/src/main/java/com/forgon/disinfectsystem/initdata/service/InitializeDataManagerImpl.java
===================================================================
diff -u -r15780 -r16486
--- ssts-web/src/main/java/com/forgon/disinfectsystem/initdata/service/InitializeDataManagerImpl.java	(.../InitializeDataManagerImpl.java)	(revision 15780)
+++ ssts-web/src/main/java/com/forgon/disinfectsystem/initdata/service/InitializeDataManagerImpl.java	(.../InitializeDataManagerImpl.java)	(revision 16486)
@@ -272,7 +272,7 @@
 						Integer currentSn = Integer.parseInt(serialNumber);
 						Integer dbMaxSn = Integer.parseInt(dbMaxBarcode);
 						if(dbMaxSn > currentSn){
-							serialNumber  = ("" + dbMaxSn);
+							serialNumber  = ("" + (dbMaxSn + 1));
 							serialNum.setSerialNumber(serialNumber);
 						}
 					}