diff --git a/src_core/com/tenwa/util/SerialNumberUtil.java b/src_core/com/tenwa/util/SerialNumberUtil.java
index 9610ff73c..3feea96ac 100644
--- a/src_core/com/tenwa/util/SerialNumberUtil.java
+++ b/src_core/com/tenwa/util/SerialNumberUtil.java
@@ -235,8 +235,8 @@ public class SerialNumberUtil {
 		paramMap.put("minute", minute+"");
 		paramMap.put("second", second+"");
 		
-		int maxOrderNumber = getMaxOrderNumber(type, queryYear, tx);
-		//int maxOrderNumber = getMaxOrderNumberByDay(type, queryYear,1,1, tx);
+		//int maxOrderNumber = getMaxOrderNumber(type, queryYear, tx);
+		int maxOrderNumber = getMaxOrderNumberByDay(type, queryYear,1,1, tx);
 		StringBuffer numberFormat = new StringBuffer();
 		for(int i=0;i<numberCount;i++)
 		{