diff --git a/.github/workflows/analyze.yml b/.github/workflows/analyze.yml
index abd9954..6a87b23 100644
--- a/.github/workflows/analyze.yml
+++ b/.github/workflows/analyze.yml
@@ -19,7 +19,7 @@ jobs:
         
       - name: Run shellcheck
         run: |
-          shellcheck ./releasetools/cdimage.sh ./releasetools/floppyimage.sh ./releasetools/hdimage.sh  ./releasetools/image.defaults  ./releasetools/image.functions
+          shellcheck ./releasetools/cdimage.sh ./releasetools/floppyimage.sh ./releasetools/hdimage.sh  ./releasetools/image.defaults  ./releasetools/image.functions ./tools/version.sh
 
       - name: Run CppCheck
         run: |
diff --git a/boot/efi/Makefile b/boot/efi/Makefile
index 86ee1ee..9cfd3b0 100644
--- a/boot/efi/Makefile
+++ b/boot/efi/Makefile
@@ -3,6 +3,8 @@ TARGET = BOOTIA32.EFI
 BOOTIA32_EFI_SRCS = bootia32.asm \
 					uefi.inc \
 					logger.inc \
+					memory.inc \
+					fs.inc \
 					../common/const.inc \
 					../common/macro.inc
 
diff --git a/boot/efi/bootia32.asm b/boot/efi/bootia32.asm
index f73ec8c..c134f9d 100644
--- a/boot/efi/bootia32.asm
+++ b/boot/efi/bootia32.asm
@@ -7,6 +7,8 @@
 	include 'uefi.inc'
 	include '../../kernel/sys/bootinfo.inc'
 	include 'logger.inc'
+	include 'memory.inc'
+	include 'fs.inc'
 
 	section '.text' code executable readable
 
@@ -33,26 +35,20 @@ efimain:
 	mov ebx, [eax + EFI_SYSTEM_TABLE.BootServices]
 	mov [pBootServices], ebx
 
-	mov ecx, [ebx + EFI_BOOT_SERVICES.AllocatePool]
-	mov [fnAllocatePool], ecx
-
-	mov ecx, [ebx + EFI_BOOT_SERVICES.FreePool]
-	mov [fnFreePool], ecx
-
-	mov ecx, [ebx + EFI_BOOT_SERVICES.GetMemoryMap]
-	mov [fnGetMemoryMap], ecx
-
 	mov ecx, [ebx + EFI_BOOT_SERVICES.OpenProtocol]
 	mov [fnOpenProtocol], ecx
 
 	mov ecx, [ebx + EFI_BOOT_SERVICES.Exit]
 	mov [fnExit], ecx
 
+	call efi_memory_init
 	call efi_log_init
 
 	mov esi, szHelloMsg
 	call efi_log
 
+	call efi_fs_init
+
 	; #=======================#
 	; search and load kernel
 	; openVolume()
@@ -93,9 +89,6 @@ pSystemTable dd ?
 
 ;; Variable: pBootServices
 pBootServices   dd ?
-fnAllocatePool  dd ?
-fnFreePool      dd ?
-fnGetMemoryMap  dd ?
 fnOpenProtocol  dd ?
 fnCloseProtocol dd ?
 fnExit          dd ?
diff --git a/boot/efi/fs.inc b/boot/efi/fs.inc
new file mode 100644
index 0000000..677dac3
--- /dev/null
+++ b/boot/efi/fs.inc
@@ -0,0 +1,29 @@
+	;; File: fs.inc
+
+	section '.text' code executable readable
+
+efi_fs_init:
+
+	; OpenProtocol(EFI_HANDLE Handle, EFI_GUID *proto, VOID **Interface, EFI_HANDLE AgentHandle, UINT32 Attrs)
+	push 0
+	push [hImage]
+	push pLoadedImage
+	push aFSProtoGUID
+	push [hImage]
+	call [fnOpenProtocol]
+	add esp, 20
+
+	or eax, eax
+	jnz .error
+	ret
+.error:
+	mov esi, szErrTmp
+	call efi_log
+
+	ret
+
+	section '.data' data readable writeable
+
+szErrTmp du "Can't OpenProtocol(Simple fs)", 0
+aFSProtoGUID db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
+pLoadedImage dd 0
diff --git a/boot/efi/logger.inc b/boot/efi/logger.inc
index f973735..b127399 100644
--- a/boot/efi/logger.inc
+++ b/boot/efi/logger.inc
@@ -1,3 +1,5 @@
+	;; File: logger.inc
+
 	section '.text' code executable readable
 
 	;; Function: efi_log_init
diff --git a/boot/efi/memory.inc b/boot/efi/memory.inc
new file mode 100644
index 0000000..5f93007
--- /dev/null
+++ b/boot/efi/memory.inc
@@ -0,0 +1,25 @@
+	;; File: memory.inc
+
+	section '.text' code executable readable
+
+efi_memory_init:
+	mov eax, [pBootServices]
+	mov ecx, [eax + EFI_BOOT_SERVICES.AllocatePool]
+	mov [fnAllocatePool], ecx
+
+	mov ecx, [eax + EFI_BOOT_SERVICES.FreePool]
+	mov [fnFreePool], ecx
+
+	mov ecx, [eax + EFI_BOOT_SERVICES.GetMemoryMap]
+	mov [fnGetMemoryMap], ecx
+
+	ret
+
+	section '.data' data readable writeable
+
+	;; Variable: fnAllocatePool
+fnAllocatePool  dd ?
+	;; Variable: fnFreePool
+fnFreePool      dd ?
+	;; Variable: fnGetMemoryMap
+fnGetMemoryMap  dd ?
diff --git a/boot/efi/uefi.inc b/boot/efi/uefi.inc
index 490f679..ea9ea04 100644
--- a/boot/efi/uefi.inc
+++ b/boot/efi/uefi.inc
@@ -364,7 +364,8 @@ EFI_LOAD_FILE2_PROTOCOL equ EFI_LOAD_FILE_PROTOCOL
 	;; ========================================================================
 	;; EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
 	;; ========================================================================
-EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID equ 0x0964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b
+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID equ 0x022, 0x5b, 0x4e, 0x96, 0x59, 0x64, 0xd2, 0x11, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b
+;EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID equ 0x0964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b
 
 EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION = 0x00010000
 
diff --git a/tools/version.sh b/tools/version.sh
index 2b7c198..c0e970d 100644
--- a/tools/version.sh
+++ b/tools/version.sh
@@ -2,12 +2,12 @@
 
 vers="$(git describe --abbrev=4 --match='v[0-9]*' HEAD 2>/dev/null)"
 
-if [ ! -n "$vers" ]; then
+if [ -z "$vers" ]; then
 	vers="0.0"
 fi
 
-major="$(echo -n "${vers}" | cut -d. -f1)"
-minor="$(echo -n "${vers}" | cut -d. -f1)"
+major="$(printf "%s" "${vers}" | cut -d. -f1)"
+minor="$(printf "%s" "${vers}" | cut -d. -f1)"
 
 commit="$(git rev-parse --short HEAD)"