Index: /temp/trunk/html/install/index.php
===================================================================
--- /temp/trunk/html/install/index.php	(revision 6988)
+++ /temp/trunk/html/install/index.php	(revision 6989)
@@ -175,4 +175,8 @@
 	$arrRet =  $objDBParam->getHashArray();
 	$dsn = $arrRet['db_type']."://".$arrRet['db_user'].":".$arrRet['db_password']."@".$arrRet['db_server'].":".$arrRet['db_port']."/".$arrRet['db_name'];
+	
+	// Äɲåơ¼¥Ö¥ë¤¬¤¢¤ì¤Ðºï½ü¤¹¤ë¡£
+	lfDropTable("dtb_module", $dsn);
+	lfDropTable("dtb_updatae", $dsn);
 		
 	if ($arrRet['db_type'] == 'pgsql'){