diff --git a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/Makefile b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/Makefile
index 8d107a66..e5def126 100644
--- a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/Makefile
+++ b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/Makefile
@@ -46,7 +46,8 @@ ROM_SPEC	=	main.rsf
 
 TARGET_BIN		=	SystemLogReader.srl
 
-LLIBRARIES		+=	liberrorlog$(TWL_LIBSUFFIX).a
+LLIBRARIES		+=	liberrorlog$(TWL_LIBSUFFIX).a	\
+					liblcfg$(TWL_LIBSUFFIX).a
 
 include	$(TWL_IPL_RED_ROOT)/build/buildtools/commondefs
 
diff --git a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.dev.o b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.dev.o
index 49fa7b5f..56d447e4 100644
Binary files a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.dev.o and b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.dev.o differ
diff --git a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.prod.o b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.prod.o
index 48a18828..7d818096 100644
Binary files a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.prod.o and b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/nandfirm/nandfirm.prod.o differ
diff --git a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/src/main.c b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/src/main.c
index f92fa021..ceec4076 100644
--- a/build/systemMenu_tools/SystemLogReader/ARM9.TWL/src/main.c
+++ b/build/systemMenu_tools/SystemLogReader/ARM9.TWL/src/main.c
@@ -21,6 +21,7 @@
 #include "keypad.h"
 #include "font.h"
 #include "screen.h"
+#include <twl/lcfg.h>
 
 #define BUFSIZE 256
 
@@ -28,7 +29,7 @@
 #define SCREEN_WIDTH		32
 #define RESULT_LINE_OFFSET	6
 
-#define DST_LOGFILE_PATH	"sdmc:/sysmenu.log"
+#define DST_LOGFILE_PATH	"sdmc:/"
 #define ERRORLOG_LOGFILE_PATH	"nand:/sys/log/sysmenu.log"
 
 #define NAND_BLOCK_BYTE 			       0x200
@@ -96,8 +97,8 @@ TwlMain()
 
 	ERRORLOG_Init( OS_AllocFromMain, OS_FreeToMain );
 
+	
 	resetConsoleFlag = TRUE;
-	OS_TPrintf( "boottype : %d\n", OS_GetBootType() );
 	
 	drawMenu();
 	doProc();
@@ -165,7 +166,7 @@ static BOOL deleteLogfile( void )
 static BOOL copyLogToSD( void )
 {
 	FSFile src, dst;
-	// 最悪で読み込んだサイズの倍の文字列になる可能性がある
+	// 書き込みサイズは、最悪で読み込んだサイズの倍のになる可能性がある
 	BOOL result = TRUE;
 	int idxlog;
 	int sizelog;
@@ -173,14 +174,33 @@ static BOOL copyLogToSD( void )
 	char winbuf[BUFSIZE*2 +1];
 	s32 readSize;
 	s32 writeSize = 0;
+	char filename[BUFSIZE+1];
+	u8 *lcfgbuf;
+	u8 serial[OS_TWL_HWINFO_SERIALNO_LEN_MAX];	
+	
+	buf[BUFSIZE] = '\0';
 	
-	buf[256] = '\0';
 	FS_InitFile( &dst );
+	printConsole("Reading serial number...");
+	lcfgbuf = OS_Alloc( LCFG_READ_TEMP );
+
+	if( LCFG_ReadTWLSettings( (u8 (*)[LCFG_READ_TEMP]) lcfgbuf ) && LCFG_ReadHWSecureInfo() )
+	{
+		LCFG_THW_GetSerialNo( (u8*)serial );
+		STD_TSNPrintf(  filename , BUFSIZE, "sdmc:/%s.log", serial);	
+	}
+	else
+	{
+		printConsoleErr( "failed to read Serial.");
+		return FALSE;
+	}
+		
+	
 	
 	// まずファイルを削除
-	FS_DeleteFile( DST_LOGFILE_PATH );
+	FS_DeleteFile( filename );
 	
-	if( ! FS_CreateFile( DST_LOGFILE_PATH, FS_PERMIT_R | FS_PERMIT_W ) )
+	if( ! FS_CreateFile( filename, FS_PERMIT_R | FS_PERMIT_W ) )
 	{
 		printConsoleErr( "Copy Failed." );
 		printConsoleErr( "func: FS_CreateFile"  );
@@ -189,7 +209,7 @@ static BOOL copyLogToSD( void )
 	}
 	
 	// ファイル作成に成功
-	if( !FS_OpenFileEx( &dst , DST_LOGFILE_PATH, FS_FILEMODE_RW ))
+	if( !FS_OpenFileEx( &dst , filename, FS_FILEMODE_RW ))
 	{
 		// 作成したファイルをopenできなかった場合
 		printConsoleErr( "Copy Failed." );
diff --git a/build/systemMenu_tools/SystemLogReader/make.rb b/build/systemMenu_tools/SystemLogReader/make.rb
index b94b681c..c52e6a31 100755
--- a/build/systemMenu_tools/SystemLogReader/make.rb
+++ b/build/systemMenu_tools/SystemLogReader/make.rb
@@ -10,34 +10,37 @@ def putex(str)
 end
 
 
-def buildgcd(buildtype, prodopt)
+def buildgcd(buildtype, prodopt, shortbuild)
 	puts "buildtype : #{buildtype}"
+	puts "**shortbuild**" if shortbuild
 
-	# build TwlIPL Root
-	Dir.chdir(ENV['TWL_IPL_RED_ROOT']) do
-		putex "make -f Makefile.full clean; " +
-					 "makesp CYGPATH_NOCMD=TRUE -j 2 -f Makefile.full TWL_FINALROM=TRUE #{prodopt}"
-	end
-
-	# build nandfirm
-	Dir.chdir(ENV['TWL_IPL_RED_ROOT'] + "/build/nandfirm/menu-launcher") do
-		putex "make clean; make TWL_FINALROM=TRUE #{prodopt}"
-		nandfirm = Dir.glob("menu_launcher*#{buildtype}.nand")
-		if nandfirm.none?
-			puts "build nandfirm failed."
-			exit
-		else
-			nandfirm = nandfirm[0]
+	unless shortbuild
+		# build TwlIPL Root
+		Dir.chdir(ENV['TWL_IPL_RED_ROOT']) do
+			putex "make -f Makefile.full clean; " +
+						 "makesp CYGPATH_NOCMD=TRUE -j 2 -f Makefile.full TWL_FINALROM=TRUE #{prodopt}"
 		end
 
-		
-		putex "$TWLSDK_ROOT/tools/bin/bin2obj.TWL.exe #{nandfirm} nandfirm.#{buildtype}.o " +
-						"-b nandfirm_begin -e nandfirm_end"
-		putex "cp nandfirm.#{buildtype}.o #{Rootdir}/ARM9.TWL/nandfirm/"
+		# build nandfirm
+		Dir.chdir(ENV['TWL_IPL_RED_ROOT'] + "/build/nandfirm/menu-launcher") do
+			putex "make clean; make TWL_FINALROM=TRUE #{prodopt}"
+			nandfirm = Dir.glob("menu_launcher*#{buildtype}.nand")
+			if nandfirm.none?
+				puts "build nandfirm failed."
+				exit
+			else
+				nandfirm = nandfirm[0]
+			end
+
+			
+			putex "$TWLSDK_ROOT/tools/bin/bin2obj.TWL.exe #{nandfirm} nandfirm.#{buildtype}.o " +
+							"-b nandfirm_begin -e nandfirm_end"
+			putex "cp nandfirm.#{buildtype}.o #{Rootdir}/ARM9.TWL/nandfirm/"
+		end
 	end
 
 	# build systemlogreader
-	putex "make clean; make TWL_FINALROM=TRUE #{prodopt}"
+	putex "makesp CYGPATH_NOCMD=TRUE -j 2 clean; makesp CYGPATH_NOCMD=TRUE -j 2 TWL_FINALROM=TRUE #{prodopt}"
 	Dir.chdir(Rootdir + "/ARM9.TWL/bin/ARM9-TS.LTD.thumb/Rom") do
 		if buildtype == "dev"
 			putex 'cp ./SystemLogReader.srl $TWL_IPL_RED_ROOT/build/gcdfirm/memory-launcher-writer/'
@@ -64,15 +67,16 @@ end
 
 Rootdir = ENV['TWL_IPL_RED_ROOT'] + '/build/systemMenu_tools/SystemLogReader'
 prodopt = ""
+shortbuild = false
 
 # default buildtype = dev
-if ARGV.none? || ARGV[0] == 'dev'
+if ARGV.none? || ARGV.include?('dev')
 	build = ["dev"]
 	opt = ["FIRM_USE_PRODUCT_KEYS="]
-elsif ARGV[0] == "prod"
+elsif ARGV.include?("prod")
 	build = ["prod"]
 	opt = ["FIRM_USE_PRODUCT_KEYS=TRUE"]
-elsif ARGV[0] == "full"
+elsif ARGV.include? "full"
 	build = ["dev", "prod"]
 	opt = ["FIRM_USE_PRODUCT_KEYS=", "FIRM_USE_PRODUCT_KEYS=TRUE"]
 else
@@ -80,8 +84,12 @@ else
 	exit
 end
 
-p build.zip(opt)
-build.zip(opt).each do |b,op|
-	buildgcd(b,op)
+if ARGV.include? "short"
+	shortbuild = true
+end
+
+p build.zip(opt)
+build.zip(opt).each do |b,op|
+	buildgcd(b,op,shortbuild)
 end