diff --git a/index.html b/index.html
index 6cc0a5d..6c90bc0 100644
--- a/index.html
+++ b/index.html
@@ -7,6 +7,7 @@
 <meta name=author content="dongdigua's blog">
 <link rel=license href=https://creativecommons.org/licenses/by/4.0/>
 <link rel=icon href=favicon.ico>
+<link rel=alternate type=application/rss+xml href=https://dongdigua.github.io/feed.xml>
 <!-- favicon from my classmate -->
 <style>
  *{scrollbar-color:gray #404040}
diff --git a/org/about.org b/org/about.org
index 83c72c4..68a8a3b 100644
--- a/org/about.org
+++ b/org/about.org
@@ -9,6 +9,7 @@
 - 骑公路车的
 - Elixir > Rust > Python
 - 不是很喜欢扁平化设计
+- GNOME > KDE
 
 -----
 
diff --git a/org/internet_collections.org b/org/internet_collections.org
index 38d0ff0..c911501 100644
--- a/org/internet_collections.org
+++ b/org/internet_collections.org
@@ -189,7 +189,7 @@ funny byte
 Welcome to the darkest dungeon of kernal
 *** [[https://kernal.eu/posts/linuxfx/][Dumping Linuxfx customers]]                                         :fun:
 A Windows-like distro including the spyware and activation
-** [[https://vimacs.wehack.space/laptop/][vimacs]]
+** [[https://vimacs.wehack.space][vimacs]]
 Written with Vim and Emacs. A member of Linux Club of Peking University. [[https://beijinglug.club/wiki/doku.php?id=blug-canary-3][blug]] signer
 with cat-v-like sidebar style
 *** [[https://vimacs.wehack.space/Mail-vs-IM.htm][谈电子邮件和即时通讯]]
@@ -198,7 +198,7 @@ with cat-v-like sidebar style
 The Aha Moments
 *** [[http://www.matrix67.com/blog/archives/6039][用三段 140 字符以内的代码生成一张 1024×1024 的图片]]               :wow:
 *** [[http://localhost-8080.com/][❤ localhost-8080]]
-** TODO [[https://www.orangeclk.com][半瓶]]
+** [[https://www.orangeclk.com][半瓶]]
 *** [[https://www.orangeclk.com/2022/08/22/eternal-september-community-locals/][社区本地人与永恒的九月(Eternal September)]]
 #+BEGIN_QUOTE
 几乎所有大众互联网社区都难逃此宿命。要想避免永恒九月，社区必须要足够克制，有节奏地引导新人加入。
@@ -243,8 +243,8 @@ int function(void) {
 ** [[https://www.nayuki.io][Project Nayuki]]
 *** [[https://www.nayuki.io/page/a-fundamental-introduction-to-x86-assembly-programming][A fundamental introduction to x86 assembly prorgamming]]
 *** [[https://www.nayuki.io/page/i-type-in-dvorak][Dvorak FAQ]]
-** [[https://bt.ht][bt.ht]]
-** TODO [[https://hsingko.pages.dev][hsingko]]
+** [[https://btxx.org][bt]]
+** [[https://hsingko.pages.dev][hsingko]]
 *** [[https://hsingko.pages.dev/post/2022/06/17/i-am-not-my-brain/][我不等于我的大脑]]
 *** [[https://hsingko.pages.dev/post/2022/04/27/why-blog/][写博客至今的小结]]
 ** [[http://ewontfix.com][EWONTFIX - a blog of bugs]]
@@ -303,6 +303,8 @@ author of darkman
 ** [[https://www.gd1214b.icu][gd1214b]]
 >‍‌‌‍<
 ** [[https://soha.moe][海上的宫殿]]
+** [[https://breq.dev][breq.dev]]
+*** [[https://breq.dev/projects/eightyeightthirtyone][eightyeightthirty.one - A snapshot of the social graph of 88x31 badges]]
 
 # LABLE
 
@@ -563,6 +565,7 @@ When I was trying to download this video, I found that youtube-dl was broken!
 *** [[https://youtu.be/x_QmvZRS85U][How To Reply To Negative Comments (90s Tutorial)]]
 *** [[https://youtu.be/-b-BQZi7MvI][Silicon carbide / SiC used to emit photons (homemade LED)]]
 *** [[https://youtu.be/vuvckBQ1bME][How To Make A CPU]]
+*** TODO [[https://youtu.be/oNXzMBA9VU4][Windows XP Installation Music]]
 
 * r
 :PROPERTIES:
@@ -602,11 +605,11 @@ Huwawei NB!
 ** [[https://lore.kernel.org/lkml/63efd7ab.170a0220.3442b.6609@mx.google.com/][Linus: If you cannot explain a merge, then JUST DON'T DO IT]]
 ** [[https://lists.gnu.org/archive/html/emacs-devel/2023-01/msg00425.html][Re: Consideration for Rust contributions in Emacs]]
 from emacs-china, about multi-thread
-** [[https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/thread/KJMMAZFTP2MPKWKFZCYUROZFJ44BNVB5/][Leap Replacement - Results from recent contributor survey]]
 ** [[https://lists.debian.org/debian-riscv/2023/07/msg00053.html][debian: riscv64 is now an official architecture]]
 ** [[https://lore.kernel.org/lkml/CA+55aFxtD2VYW2R0JwjFkZkvzQzcN7qK3m6ReR+BBXtfyDHx7g@mail.gmail.com/][Re: [GIT] Networking (Linus used Fedora)]]
 ** [[https://lore.kernel.org/all/20221130082313.3241517-1-tj@kernel.org/][[PATCHSET RFC] sched: Implement BPF extensible scheduler class]]
-** TODO [[https://lists.suckless.org/dev/1409/23497.html][[suckless-dev] [RFC] Design of a vim like text editor]]
+** [[https://lists.suckless.org/dev/1409/23497.html][[suckless-dev] [RFC] Design of a vim like text editor]]
+** [[https://www.openwall.com/lists/oss-security/2024/03/29/4][oss-security - backdoor in upstream xz/liblzma leading to ssh server compromise]]
 
 * Other
 :PROPERTIES:
diff --git a/org/nanopi_freebsd.org b/org/nanopi_freebsd.org
index c32197b..c68f339 100644
--- a/org/nanopi_freebsd.org
+++ b/org/nanopi_freebsd.org
@@ -10,7 +10,7 @@
 - 带上手套防止腐蚀, 用螺丝刀和弯头镊子 (文具盒里随手使用) 撬开外壳
 - 缝合了一个 OpenBSD 镜像, 用 Arduino Uno 当串口连接 UART, 输出毫无意义的字符
 - 运行 OpwnWRT, 依旧输出垃圾
-- 运行 Armbian, 依旧输出垃圾, 弹了一会琴后开始思考是不是串口出错了
+- 运行 Armbian, 依旧输出垃圾, 想到是不是串口出错了
 - 翻箱倒柜找到一个 USB Mini-B 线用于 山寨版 Arduino Nano (CH340 芯片)
 - 重新烧写 OpenBSD 镜像, 成功启动, 但键盘无法输入, 无法安装
 - 缝合 FreeBSD 镜像, 成功启动, ssh 登录 (user/passwd:freebsd), 耶!
@@ -33,15 +33,11 @@ doas dd if=root.img of=/dev/sda
 
 * 开始
 - 中国用户第一件事先换源: [[https://mirror.bjtu.edu.cn/help/freebsd/][bjtu FreeBSD 镜像]]
-- 然后像之前 [[./whatif_openbsd.org][OpenBSD]] 一样还是装机必备软件, 因为是服务器所以没几个
-#+BEGIN_SRC sh
-pkg install neofetch oksh sudo git fzf frp
-#+END_SRC
 - 改密码, =/usr/local/etc/sudoers=
   不用 doas 因为 persist 选项只在 OpenBSD 上可用
 - 主机名, 路由器配置 DHCP 静态 IP, 本机 =/etc/hosts= 加入主机名解析
 #+BEGIN_SRC sh
-hostname freebsd-r2s
+hostname r2s
 vi /etc/rc.conf
 #+END_SRC
 - 改 shell 配置, [[https://github.com/dongdigua/configs/blob/main/.profile.in][基本还是之前那样]]
@@ -113,10 +109,6 @@ sendmail_msp_queue_enable="NO"
 chflags -R noschg file/folder
 #+END_SRC
 
-* microbin
-足够 micro, 不需要 jail
-终于[[https://cgit.freebsd.org/ports/commit/?id=3083ea7074cf7d5dce8ad64ea6779e824c28bde0][更新 2.0]] 了, 虽然没到 quarterly, 但可以 =pkg add <url>= 安装
-
 * Gemini
 曾经我的 Gemini 是用 Docker 跑在朋友的服务器上, 但是一出问题调试很费劲.
 现在有个稳定的服务器, 就可以本地跑, 省去许多麻烦.
@@ -310,7 +302,7 @@ aur.archlinux.org  #07b
  "</style>"
 #+END_SRC
 
-我甚至还可以把 IPv6, SSL, MAIL, STREAM 的功能通通去掉, 因为我的环境用不到.
+我甚至还可以把 SSL, MAIL, STREAM 的功能通通去掉, 因为我的环境用不到.
 
 * ZFS?
 之前我只是在唯一的U口上插了一个 32G U盘, 但随着我在服务器上放的东西越来越多并越来越依赖它,