diff --git a/.gitignore b/.gitignore
index 7782556c..be1e0c72 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,5 @@
 /cmake-build-debug/
 /bin/
-tools/arch/i386/bios/grub/*
-tools/arch/i386/efi/grub/*
-tools/arch/x86_64/efi/grub/*
 !.gitkeep
 DragonOS.iso
 .idea/
diff --git a/tools/.gitignore b/tools/.gitignore
new file mode 100644
index 00000000..7f6fa1ac
--- /dev/null
+++ b/tools/.gitignore
@@ -0,0 +1,5 @@
+grub-2.06.tar.xz*
+grub-2.06/
+arch/i386/legacy/grub/*
+arch/i386/efi/grub/*
+arch/x86_64/efi/grub/*
\ No newline at end of file
diff --git a/tools/arch/i386/bios/grub/.gitkeep b/tools/arch/i386/bios/grub/.gitkeep
deleted file mode 100644
index c6a5447c..00000000
--- a/tools/arch/i386/bios/grub/.gitkeep
+++ /dev/null
@@ -1,3 +0,0 @@
-# Ignore everything in this directory 
-* 
-# Except this file !.gitkeep 
diff --git a/tools/arch/i386/efi/grub/.gitkeep b/tools/arch/i386/efi/grub/.gitkeep
deleted file mode 100644
index c6a5447c..00000000
--- a/tools/arch/i386/efi/grub/.gitkeep
+++ /dev/null
@@ -1,3 +0,0 @@
-# Ignore everything in this directory 
-* 
-# Except this file !.gitkeep 
diff --git a/tools/arch/i386/legacy/.gitkeep b/tools/arch/i386/legacy/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/tools/arch/x86_64/efi/grub/.gitkeep b/tools/arch/x86_64/efi/grub/.gitkeep
deleted file mode 100644
index c6a5447c..00000000
--- a/tools/arch/x86_64/efi/grub/.gitkeep
+++ /dev/null
@@ -1,3 +0,0 @@
-# Ignore everything in this directory 
-* 
-# Except this file !.gitkeep 
diff --git a/tools/grub_auto_install.sh b/tools/grub_auto_install.sh
index b84dafae..6d0432fb 100644
--- a/tools/grub_auto_install.sh
+++ b/tools/grub_auto_install.sh
@@ -1,12 +1,15 @@
 #!/bin/bash
 grub_dir_i386_efi=arch/i386/efi/grub
-grub_dir_i386_bios=arch/i386/bios/grub
+grub_dir_i386_legacy=arch/i386/legacy/grub
 grub_dir_x86_64_efi=arch/x86_64/efi/grub
-#编译核心数目
-nproc=8
+
+mkdir -p ${grub_dir_i386_efi}
+mkdir -p ${grub_dir_i386_legacy}
+mkdir -p ${grub_dir_x86_64_efi}
+
 
 #检测grub是否已经安装
-if [ -d ${grub_dir_i386_efi}/bin ] || [ -d ${grub_dir_i386_bios}/bin ] || [ -d ${grub_dir_x86_64_efi}/bin ] ; then
+if [ -d ${grub_dir_i386_efi}/bin ] || [ -d ${grub_dir_i386_legacy}/bin ] && [ -d ${grub_dir_x86_64_efi}/bin ] ; then
 	exit 0
 fi
 #仅支持Ubuntu/Debain下的自动安装
@@ -15,45 +18,49 @@ if ! hash 2>/dev/null apt-get; then
 	exit 0
 fi
 #下载grub2.06
+if [ ! -f "grub-2.06.tar.xz" ]; then
+    wget https://mirrors.tuna.tsinghua.edu.cn/gnu/grub/grub-2.06.tar.xz || exit 1
+fi
+
 echo "开始下载grub2.06"
-wget https://ftp.gnu.org/gnu/grub/grub-2.06.tar.gz
+
 echo "下载完成"
-tar -xvzf grub-2.06.tar.gz
+tar xvf grub-2.06.tar.xz
 #安装对应依赖
 sudo apt-get update
 sudo apt-get install -y \
-	make \
+	make 	\
   	binutils \
-  	bison \
-  	gcc \
+  	bison 	\
+  	gcc 	\
   	gettext \
-	flex\
-	bison\
-	automake\
-	autoconf\	
+	flex	\
+	bison	\
+	automake	\
+	autoconf	
 	
 cd grub-2.06
 echo "开始安装grub2.06"
 #编译安装三个版本的grub
-./configure --target=i386 --prefix=$(dirname $PWD)/${grub_dir_i386_bios}
-make -j $(nporc)
-make install
-make clean 
+./configure --target=i386 --prefix=$(dirname $PWD)/${grub_dir_i386_legacy} || exit 1
+make -j $(nproc) || exit 1
+make install || exit 1
+make clean || exit 1
 
-./configure --target=i386 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_i386_efi}
-make -j $(nporc)
-make install
-make clean 
+./configure --target=i386 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_i386_efi} ||	exit 1
+make -j $(nproc) || exit 1
+make install || exit 1
+make clean || exit 1
 
-./configure --target=x86_64 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_x86_64_efi}
-make -j $(nporc)
-make install
+./configure --target=x86_64 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_x86_64_efi} || exit 1
+make -j $(nproc) || exit 1
+make install || exit 1
 
 cd ..
 #解除权限限制
-sudo chmod -R 777 ${grub_dir_i386_bios}
+sudo chmod -R 777 ${grub_dir_i386_legacy}
 sudo chmod -R 777 ${grub_dir_i386_efi}
 sudo chmod -R 777 ${grub_dir_x86_64_efi}
 rm -rf grub-2.06
-rm grub-2.06.tar.gz
+rm grub-2.06.tar.xz*
 echo "grub2.06安装完成"
diff --git a/tools/write_disk_image.sh b/tools/write_disk_image.sh
index 9483fe2d..8acee777 100644
--- a/tools/write_disk_image.sh
+++ b/tools/write_disk_image.sh
@@ -22,13 +22,13 @@ echo "开始写入磁盘镜像..."
 
 
 # toolchain
-OS=`uname -s`
-if [ "${OS}" == "Linux" ]; then
-    GRUB_PATH="$(dirname $(which grub-file))"
-elif [ "${OS}" == "Darwin" ]; then
-    GRUB_PATH="${root_folder}/tools/grub-2.06/build/grub/bin"
-fi
-export PATH="${GRUB_PATH}:$PATH"
+
+GRUB_PATH_I386_LEGACY_INSTALL=${root_folder}/tools/arch/i386/legacy/grub/sbin/grub-install
+GRUB_PATH_I386_EFI_INSTALL=${root_folder}/tools/arch/i386/efi/grub/sbin/grub-install
+GRUB_PATH_X86_64_EFI_INSTALL=${root_folder}/tools/arch/x86_64/efi/grub/sbin/grub-install
+
+GRUB_PATH_I386_LEGACY_FILE=${root_folder}/tools/arch/i386/legacy/grub/bin/grub-file
+
 
 # ==============检查文件是否齐全================
 
@@ -45,7 +45,7 @@ done
 
 # 如果是 i386/x86_64，需要判断是否符合 multiboot2 标准
 if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
-    if ${GRUB_PATH}/grub-file --is-x86-multiboot2 ${kernel}; then
+    if ${GRUB_PATH_I386_LEGACY_FILE} --is-x86-multiboot2 ${kernel}; then
         echo Multiboot2 Confirmed!
     else
         echo NOT Multiboot2!
@@ -108,13 +108,13 @@ case "$1" in
         case "$2" in
                 uefi) #uefi
                 if [ ${ARCH} == "i386" ];then
-                	./arch/i386/efi/grub/sbin/grub-install --target=i386-efi  --efi-directory=${mount_folder}  --boot-directory=${boot_folder}  --removable
+                	${GRUB_PATH_I386_EFI_INSTALL} --target=i386-efi  --efi-directory=${mount_folder}  --boot-directory=${boot_folder}  --removable
                 elif [ ${ARCH} == "x86_64" ];then
-                	./arch/x86_64/efi/grub/sbin/grub-install --target=x86_64-efi --efi-directory=${mount_folder}  --boot-directory=${boot_folder}   --removable
+                	${GRUB_PATH_X86_64_EFI_INSTALL} --target=x86_64-efi --efi-directory=${mount_folder}  --boot-directory=${boot_folder}   --removable
                 fi
             ;;
                 legacy) #传统bios
-            		./arch/i386/bios/grub/sbin/grub-install --target=i386-pc --boot-directory=${boot_folder} /dev/$LOOP_DEVICE
+            		${GRUB_PATH_I386_LEGACY_INSTALL} --target=i386-pc --boot-directory=${boot_folder} /dev/$LOOP_DEVICE
             ;;
         esac
         ;;