Index: temp/trunk/html/admin/system/bkup.php
===================================================================
--- temp/trunk/html/admin/system/bkup.php	(revision 5709)
+++ temp/trunk/html/admin/system/bkup.php	(revision 5711)
@@ -404,6 +404,9 @@
 	
 	foreach($arrTableList as $key => $val){
-		$trun_sql = "TRUNCATE TABLE $val;";
-		$objQuery->query($trun_sql);
+		// ¥Ð¥Ã¥¯¥¢¥Ã¥×¥Æ¡¼¥Ö¥ë¤Ïºï½ü¤·¤Ê¤¤
+		if ($val != "dtb_bkup") {
+			$trun_sql = "TRUNCATE TABLE $val;";
+			$objQuery->query($trun_sql);
+		}
 	}
 }