diff --git a/my_gnome_config.md b/my_gnome_config.md
index d807523..41a7e56 100644
--- a/my_gnome_config.md
+++ b/my_gnome_config.md
@@ -46,6 +46,7 @@ export LANG=zh_CN.UTF-8
 doas dnf remove gnome-classic-session
 ```
 
+## use Geary as a replacement of Thunderbird
 
 
 
diff --git a/org/cheatsheet.org b/org/cheatsheet.org
index 89a5d16..9e1722a 100644
--- a/org/cheatsheet.org
+++ b/org/cheatsheet.org
@@ -4,8 +4,9 @@
 
 * VIM
 ** deletion
-| key   | usage                  |
-|-------+------------------------|
+| key | usage                 |
+|-----+-----------------------|
+| D   | delete to end of line |
 
 ** edit
 | key            | usage            |
@@ -59,13 +60,21 @@
 | M-;     | 区域切换注释        |
 | C-x C-; | 行切换注释          |
 | C-y     | paste to minibuffer |
+| M-&/!   | async/shell command |
 
 ** dired
 | key | usage  |
 | R   | rename |
 
-* Git (虽然不算editor, 但是先也放这吧)
+* Git
 #+BEGIN_SRC shell
   git log --stat | perl -ne 'END { print $c } $c += $1 if /(\d+) insertions/;'
   git log  --pretty=tformat: --numstat | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }'
 #+END_SRC
+
+* Fish
+| key          | usage                      |
+|--------------+----------------------------|
+| M-Left/Right | jump world, or prevd/nextd |
+| M-s          | sudo the last command      |
+| M-W          | what is this               |
diff --git a/org/internet_collections.org b/org/internet_collections.org
index f2a49d9..33af9ef 100644
--- a/org/internet_collections.org
+++ b/org/internet_collections.org
@@ -89,6 +89,11 @@ a webos using oxygen visual design
 ** [[https://www.gilesorr.com/wm/][The Window Manager Report]]
 ** [[https://collet66.web.fc2.com/][syosa]]
 pixel art
+** [[https://www.zhihu.com/column/roartalk][知乎专栏: 嘶吼RoarTalk]]                                             :hack:
+回归最本质的信息安全
+** [[https://litchipi.github.io/series/container_in_rust][Writing a container in Rust]]
+** [[https://xeiaso.net/][Xe Iaso]]
+*** [[https://xeiaso.net/blog/v-vaporware-2019-06-23][V for Vaporware]]
 ** B
 *** [[https://blog.yangmame.org/][yanemame]]
 猴哥推荐的
@@ -145,6 +150,9 @@ and [[https://youtu.be/cfPDeso3XwI][register-based(13 episode)]]
 *** [[https://youtu.be/S4E4yAktjug?t=998][How To Become Invisible Online # level 3]]
 *** [[https://youtu.be/QxNsyrftJ8I][The Biggest Linux Security Mistakes]]
 "Security is a journey, not a destination!"
+*** [[https://youtu.be/pEfrdAtAmqk][Fireship: The Programming Iceberg]]
+[[https://www.bilibili.com/video/BV15T411F7js][I translated it]]
+*** [[https://youtu.be/yCgHoL9_ZiY][Is LTT Trolling The Linux Community?]]
 
 ** Math
 *** [[https://youtu.be/KufsL2VgELo][Group Theory]]
@@ -154,12 +162,19 @@ and [[https://youtu.be/cfPDeso3XwI][register-based(13 episode)]]
 *** [[https://youtu.be/VKydXD6Lr20][Mojang & Minecraft 开始衰落了吗?]]
 *** [[https://youtu.be/Y9DIIh0s9cg][SciCraft Update Plans]]
 *** [[https://youtu.be/m5S0gLgg2rs][Tantan: MC + Fez]]
+*** [[https://www.youtube.com/playlist?list=PLhixgUqwRTjwvBI-hmbZ2rpkAl4lutnJG][Minecraft HACKED (LiveOverflow)]]
 
 ** ?
 *** [[https://www.youtube.com/c/IceGuye][IceGuye aka 姑射冰尘]]
 [[https://odysee.com/@IceGuye][on odysee(lbry)]]
 *** [[https://www.youtube.com/playlist?list=PL5--8gKSku17duy2-GrOfQma5FwsKA9LC][DT: Odysee]]
 *** [[https://youtu.be/IS5ycm7VfXg][Homemade Silicon Chips!]]
+*** [[https://youtu.be/4IaOeVgZ-wc][Why I'm Suing YouTube.]]
+#+BEGIN_QUOTE
+a story about YouTube’s intentional efforts to undermine the United States of America in collusion with the Russian government.
+It’s also a story about copyright infringement
+— and YouTube’s willful blindness to bad actors who openly admit to filing patently fraudulent DMCA counter-notifications to avoid the termination of their accounts.
+#+END_QUOTE
 
 * r
 ** [[https://www.reddit.com/r/unixporn/][unixporn]]
diff --git a/org/wayland.org b/org/wayland.org
index d1512d6..06885ae 100644
--- a/org/wayland.org
+++ b/org/wayland.org
@@ -35,6 +35,9 @@ add =seat seat0 xcursor_theme Oxygen_White= in sway comfig file
 ** notify-send don't work
 mako, a notification daemon
 ** TODO [[https://github.com/WayfireWM/wayfire/issues/1329][Wayfire crashes when closing foot terminal]]
+** emacs tool-bar not working(cannot toggle and icon theme missing)
+*** cannot toggle: disable custon =default-frame-alist=, or just use floating mode
+*** TODO icon theme missing: ?
 
 
 * Ref