From b0ab1dcf976973de81f28c032f1f5e8a8be9a13d Mon Sep 17 00:00:00 2001
From: a1ive <10670106+a1ive@users.noreply.github.com>
Date: Thu, 5 Nov 2020 13:45:45 +0800
Subject: [PATCH] update

---
 grub2_cmd_zh.md  |  1 +
 grub2_menu_zh.md | 11 +----------
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/grub2_cmd_zh.md b/grub2_cmd_zh.md
index 7e58bd1..bfeea66 100644
--- a/grub2_cmd_zh.md
+++ b/grub2_cmd_zh.md
@@ -678,6 +678,7 @@ layout: default
 - \-\-eltorito=DISK, -e 同时指定挂载 El Torito 镜像的盘符
 - \-\-nb, -n 不启动此虚拟盘
 - \-\-unmap=DISK, -x 屏蔽某磁盘
+- \-\-first, -f 使虚拟盘排在磁盘列表的第一位，以解决 Windows 启动问题
 
 ### md5sum arg ...
 
diff --git a/grub2_menu_zh.md b/grub2_menu_zh.md
index 703f9f0..90314e5 100644
--- a/grub2_menu_zh.md
+++ b/grub2_menu_zh.md
@@ -30,14 +30,6 @@ export color_highlight=black/white;
 terminal_output gfxterm;
 
 #### FUNCTION ####
-function unmap_cd {
-    for dev in (cd*); do
-        if [ -e ${dev} ]; then
-            map -x ${dev};
-        fi;
-    done;
-}
-
 function to_g4d_path {
     unset g4d_path;
     if regexp --set=1:num '^\(hd[0-9]+,[a-zA-Z]*([0-9]+)\).*' "${1}"; then
@@ -95,8 +87,7 @@ menuentry "Boot Microsoft Windows 8/10" {
 menuentry "Boot WinPE ISO" {
     set iso_file="(hd0,2)/winpe.iso";
     if [ "$grub_platform" = "efi" ]; then
-        unmap_cd;
-        map "${iso_file}";
+        map -f "${iso_file}";
     elif [ "$grub_platform" = "pc" ]; then
         to_g4d_path "${iso_file}";
         if [ -n "${g4d_path}" ]; then