diff --git a/org/emacs29_2023.org b/org/emacs29_2023.org
index 37381c4..5bf7103 100644
--- a/org/emacs29_2023.org
+++ b/org/emacs29_2023.org
@@ -7,9 +7,11 @@
 完整的新特性去看 =etc/NEWS= (btw, =emacs-news-mode= 也是新加的)
 
 * build emacs (with musl?)
-[[https://zhuanlan.zhihu.com/p/172518559][gcc 参数来源]]
+gcc (it's GNU emacs, so...) 参数来源:
+- https://zhuanlan.zhihu.com/p/172518559
+- https://snoopitek.com/make.conf
 #+BEGIN_SRC sh
-./configure CFLAGS="-march=native -O3 -pipe -finline-functions -fno-math-errno -fno-trapping-math -fgraphite-identity -floop-nest-optimize -ftree-loop-distribution -fno-semantic-interposition -fipa-pta -fno-plt" \
+./configure CFLAGS="-march=native -O3 -pipe -fno-math-errno -fgraphite-identity -floop-nest-optimize -fno-semantic-interposition -fno-strict-aliasing -fno-common -fipa-pta -fno-plt" \
             --with-x=no \
             --with-gpm=no \
             --with-pgtk \
diff --git a/org/ideas.org b/org/ideas.org
index 1d5d648..99f2162 100644
--- a/org/ideas.org
+++ b/org/ideas.org
@@ -9,8 +9,7 @@ you can steal them, but you'd better let me know and add a reference
 * Rust wasm 制作 schemetic/litemetica 渲染器
 ** [[https://github.com/misode/vscode-nbt][a vscode extension]]
 * 用 sway 实现[[https://www.bilibili.com/video/BV1TE41147gK][用窗口玩游戏(×)用游戏玩窗口(√)]]的效果
-* 不同 Linux 内核(xanmod, clear)玩 MC 性能对比
-* emacs mode: eww show =console.log()= in Message
+* 不同 Linux 内核(xanmod, lqx, clear)玩 MC 性能对比
 * win7WM
 just a [[https://support.microsoft.com/en-us/windows/windows-7-support-ended-on-january-14-2020-b75d4580-2cc7-895a-2c9c-1466d9a53962][dream]]
 * join DN42
@@ -20,3 +19,7 @@ just a [[https://support.microsoft.com/en-us/windows/windows-7-support-ended-on-
 呵呵, 在B站看到这样的基本就是壁纸软件的广告
 * Nethack x Minecraft
 * 穿越机/无人机竞速
+* local search engine
+like: https://github.com/tsoding/seroost
+(tsoding twitch 2023.2.1~)
+for searching through blogs I collected
diff --git a/org/wayland.org b/org/wayland.org
index 4e9c710..0eff32a 100644
--- a/org/wayland.org
+++ b/org/wayland.org
@@ -20,6 +20,10 @@ so I use emacs pyim
 ** Authorization required, but no authorization protocol specified
 *** =sudo -E=
 *** lxpolkit(directly execute) or polkit-gnome(prettier, at /usr/libexec/polkit-gnome-authentication-agent-1)
+*** pkexec
+:PROPERTIES:
+:CUSTOM_ID: pkexec
+:END:
 ** cannot start sway on lightdm
 :PROPERTIES:
 :CUSTOM_ID: dm
diff --git a/org/whatif_openbsd.org b/org/whatif_openbsd.org
index e243b0d..08cc2ed 100644
--- a/org/whatif_openbsd.org
+++ b/org/whatif_openbsd.org
@@ -96,10 +96,9 @@ grub> boot
 首先也吐槽了闪烁其词的文档, 然后, chainloading 须要 BOOTX64.efi, 而我根目录没有, 难怪!
 正当我准备重新编译内核加入 UFS 可写时, 他展示了一个离谱方法:
 #+BEGIN_EXAMPLE
-0. 在 grub 界面选择 OpenBSD entry
-1. 不进去, 而是按 c 启动命令行
-2. 输入 exit
-3. here you go!
+0. 在 grub 界面不回车, 而是按 c 启动命令行
+1. 输入 exit
+2. here you go!
 #+END_EXAMPLE
 我立马停止了 Linux 内核编译, 去试了一下, 我超!
 
@@ -141,7 +140,8 @@ uhh, 水族馆帧率没变...
 源码下载下来之后编译, 由于是纯 X, 所以选项和之前那篇[fn:6]里面的不一样
 着急用, 所以参数还没加全
 #+BEGIN_SRC ksh
-./configure CFLAGS="-march=native -O3 -pipe -flto=thin" --with-x --with-gif=ifavailable
+./configure CFLAGS="-march=native -O3 -pipe -flto=thin -fstack-protector-strong" \
+            --with-x --with-gif=ifavailable
 #+END_SRC
 然后就是各种依赖, 大多数 X 相关的系统都自带了
 之后各种包就容易了, 用我写的 =setup-what-pkg= 宏自动安装所有包
@@ -308,8 +308,10 @@ iwx0 at pci0 dev 20 function 3 "Intel Wi-Fi 6 AX201" rev 0x20, msix
 +所以嘛, OpenBSD 就适合运行在老 ThinkPad 上 :(+
 
 原来 =hostname.iwx0= 里面, 密码要加引号...[fn:12]
-hostname.if(5):
 #+BEGIN_SRC diff
+--- src/share/man/man5/hostname.if.5
++++ src/share/man/man5/hostname.if.5
+@@ -76,1 +76,1 @@
 -join mynwid wpakey mywpakey
 +join mynwid wpakey "mywpakey"
 #+END_SRC
@@ -354,3 +356,4 @@ hostname.if(5):
 - [[https://kevinthomas.dev/posts/openbsd-thinkpadt480.html][Installing and setting up OpenBSD on Thinkpad T480 + improving slowness]]
 - [[https://youtu.be/zXaHM7114Uk][Puffy vs. Tux! The difference between OpenBSD and GNU/Linux]]
 - [[https://videos.lukesmith.xyz/w/ion4TuavEAqKRWeavWTCBe][LukeSmith: Email on the terminal with mutt]]
+- [[https://youtu.be/o8aiSJ2nXcc][OpenBSD Guy: ffmpeg screencast]]