diff --git a/org/internet_collections.org b/org/internet_collections.org
index 7db307f..bcbdb54 100644
--- a/org/internet_collections.org
+++ b/org/internet_collections.org
@@ -38,7 +38,6 @@ luogu
 出国
 ** [[https://cireu.github.io/][NIL]]                                                               :emacs:
 elisp
-** [[https://blog.stenmans.org/theBeamBook/][the beam book]] and [[https://learnyousomeerlang.com/content][learn you some erlang]]                     :elixir:
 ** [[https://www.cnblogs.com/zjjws/p/13346020.html][第 N 个质数]]                                                 :c:algorithm:
 看不懂, 先收藏着
 ** [[https://www.coder.rs/][Zhangy233]]                                                          :rust:
@@ -79,6 +78,8 @@ pretty and concise page
 ** [[https://bheisler.github.io/post/state-of-gpgpu-in-rust/][The State of GPGPU in Rust]]                                :rust:lowlevel:
 ** [[https://liyafu.com][Light & Truth]]
 from ruanyifeng
+** [[https://www.zhihu.com/column/c_185117725][知乎专栏: 技术考古]]
+plan9
 ** B
 *** [[https://blog.yangmame.org/][yanemame]]
 猴哥推荐的
@@ -99,11 +100,9 @@ java bad, python slow, nvidia fuck you, vi-sual studio, C艹 sucks
 *** [[https://youtu.be/nfF91Z6fqGk][CMD 登录B站]]
 *** [[https://youtu.be/l0AmlU-4IRM][Rust aes加密]]
 legacy
-*** [[https://youtu.be/qKA2NZ1-kx0][tsoding write cool shell in rust]]
 *** [[https://youtu.be/hmMtQe_mYr0][tsoding helloworld in c]]
 *** [[https://www.youtube.com/playlist?list=RDCMUChl_NKOs1qqh_x7yJfaDpDw][Tantan 合集]]
 Rust Graphics
-*** [[https://www.youtube.com/playlist?list=PLGNbPb3dQJ_446PjTYQ0mCn2OGoHSKraB][build a virtual machine 合集(6/29)]]
 *** [[https://www.youtube.com/playlist?list=PLSiFUSQSRYAOFwfP-aMzXJlWKVyIuWfPU][stack-based virtual machine(6 episode)]]
 and [[https://youtu.be/cfPDeso3XwI][register-based(13 episode)]]
 *** [[https://youtu.be/_uAMo-bXI5g][register virtual machine in rust, with memory visualization]]
@@ -152,5 +151,6 @@ SDF Public Access UNIX System .. Est. 1987
 ** [[https://joinfediverse.wiki/][fediverse wiki]]
 The Fediverse is a giant Network of social media platforms
 ** [[https://emacs.sexy/][emacs is sexy!]]
+** [[https://blog.stenmans.org/theBeamBook/][the beam book]] and [[https://learnyousomeerlang.com/content][learn you some erlang]]
 #+BEGIN_COMMENT
 #+END_COMMENT
diff --git a/org/wayland.org b/org/wayland.org
index 3a0294e..e4482bb 100644
--- a/org/wayland.org
+++ b/org/wayland.org
@@ -20,7 +20,6 @@ add =seat seat0 xcursor_theme Oxygen_White= in sway comfig file
 ** touchpad gesture like gnome
 *** [[https://github.com/swaywm/sway/issues/1514][issue #1514: touchpad gestures to switch workspaces]]
 **** [[https://github.com/bulletmark/libinput-gestures][the libinput-gestures library]]
-seems gnome is using this
 **** [[https://github.com/swaywm/sway/pull/4952][pull #4952]]
 ***** [[https://github.com/swaywm/sway/pull/6778][pull #6778]]
 *** r/swaywm