diff --git a/main.c b/main.c
index 93b63be..6d1cef1 100644
--- a/main.c
+++ b/main.c
@@ -7,9 +7,9 @@ const char bios_head[32]=
 {
 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x5A,0xA5,0xF0,0x0F,0x03,0x00,0x04,0x03,0x06,0x02,0x10,0x15,0x20,0x01,0x21,0x00
 };
-char buff[1024*1000*16];
+char buff[0xffffff];
 char id[32];
-
+char outputdir[256];
 char chack_str(const char *a,char *b,int len)
 {
 	int c;
@@ -25,7 +25,9 @@ char chack_str(const char *a,char *b,int len)
 
 void tryunlock(char *dir)
 {
+	int a;
 	FILE *bios=NULL;
+	FILE *output_bios=NULL;
 	bios=fopen(dir,"rb");
 	if(bios==NULL)
 	{
@@ -39,6 +41,34 @@ void tryunlock(char *dir)
 		}else
 		{
 			printf("try it..\n");
+			if(fseek(bios,0xf00,SEEK_SET))
+			{
+				printf("ERROR. -0\n");
+			}else
+			{
+				fread(id,32,1,bios);
+				for(a=0;a<32;a++)
+				{
+					buff[0xf00+a]=id[a];
+				}
+				for(a=0;a<256;a++)
+				{
+					outputdir[a]=0;
+				}
+				sprintf(outputdir,"%s%s",dir,"_unlock.bin");
+				printf("Output flie %s",outputdir);
+				output_bios=fopen(outputdir,"wb");
+				if(output_bios==NULL)
+				{
+					printf("ERROR. can't Output file ..\n");
+				}else
+				{
+					fwrite(buff,0xffffff,1,output_bios);
+					fclose(output_bios);
+				}
+				
+				printf("\n");
+			}
 		}
 		
 	}
@@ -46,7 +76,19 @@ void tryunlock(char *dir)
 	
 int main(int argc, char *argv[])
 {
-	printf("ThinkPad Bios unlock..v0.1\n");
+	printf("ThinkPad Bios unlock..v0.1\n\n\n");
+	if(argc==1)
+	{
+		printf("联想ThinkPad Bios超级密码解锁程序（目前仅支持X250）\n\n使用方法：\n");
+		printf("1 使用编程器将原机Bios读出\n");
+		printf("2 将读出的内容以二进制格式bin保存\n");
+		printf("3 将bin文件拖进本程序，程序会自动生成解锁Bios，（支持批量拖入）\n");  
+		printf("4 将生成的解锁bios刷入，然后开机，按F1进入Bios，将超级密码改成空密码，按F10保存\n");
+		printf("5 完成！ 注意，部分Bios芯片写入之前要先清空，否则无法校验通过。\n\n\n");
+		printf("编写 吴文峰 邮箱 kevin@lmve.net \n\n");
+		printf("项目地址 https://git.lmve.net/summary/thinkpad_unlock_bios.git \n！！！请勿商用！！！\n\n");	
+	}
+	
 	int a;
 	FILE *unlock_bios = NULL;	
 	unlock_bios=fopen("./X250.bbb","rb");
@@ -55,29 +97,17 @@ int main(int argc, char *argv[])
 		printf("ERROR_NOTFUND_THE_BIOS_FILE\n");
 		return -1;
 	}
-	fread(buff,1024*1000*16,1,unlock_bios);
-	if(argc>1)
+	fread(buff,0xffffff,1,unlock_bios);
+	
+	while(argc>1)
 	{
-		while(argc>1)
-		{
-		
-			argc--;
-			printf("Input flie %s\n",argv[argc]);
-			tryunlock(argv[argc]);
-		}
-		printf("\n");
-	}else
-	{
-		printf("联想ThinkPad Bios超级密码解锁程序\n\n使用方法：\n");
-		printf("1 使用编程器将原机Bios读出\n");
-		printf("2 将读出的内容以二进制格式bin保存\n");
-		printf("3 将bin文件拖进本程序，程序会自动生成解锁Bios，（支持批量拖入）\n");  
-		printf("4 将生成的解锁bios刷入，然后开机，按F1进入Bios，将超级密码改成空密码，按F10保存\n");
-		printf("5 完成！ 注意，部分Bios芯片写入之前要先清空，否则无法校验通过。\n\n\n");
-		printf("编写 吴文峰 邮箱 kevin@lmve.net \n\n");
-		printf("项目地址 https://git.lmve.net/summary/thinkpad_unlock_bios.git \n！！！请勿商用！！！\n\n");
-		return 0;
+	
+		argc--;
+		printf("Input flie  %s\n",argv[argc]);
+		tryunlock(argv[argc]);
 	}
+	printf("\n");
+
 	printf("\n");
 	//printf("have %d file\n",argc-1);
 	//printf(argv[1]);
diff --git a/main.exe b/main.exe
index d55f04d..7eb060e 100644
Binary files a/main.exe and b/main.exe differ
diff --git a/test111/x250_bios1.bin b/x250_bios1.bin
similarity index 100%
rename from test111/x250_bios1.bin
rename to x250_bios1.bin
diff --git a/x250_bios1.bin_unlock.bin b/x250_bios1.bin_unlock.bin
new file mode 100644
index 0000000..5fe8a4b
Binary files /dev/null and b/x250_bios1.bin_unlock.bin differ