diff --git a/config/shell/.config/zsh/conf.d/01-options.zsh b/config/shell/.config/zsh/conf.d/01-options.zsh
index d1dea92..55da32a 100644
--- a/config/shell/.config/zsh/conf.d/01-options.zsh
+++ b/config/shell/.config/zsh/conf.d/01-options.zsh
@@ -20,4 +20,16 @@ WORDCHARS=${WORDCHARS//\//}
 # Rookie keybindings :)
 bindkey '^[[1;5D' backward-word      # C-Left
 bindkey '^[[1;5C' forward-word       # C-Right
-bindkey '^H'      backward-kill-word # C-Backspace
+bindkey '^H'      backward-kill-word # C-Backspace (also C-H)
+bindkey '^Z'      undo               # C-z
+
+
+# A-s to prepend sudo
+uy_prepend_sudo() {
+    if [[ $BUFFER != sudo\ * ]]; then
+        BUFFER="sudo $BUFFER"
+        CURSOR+=5
+    fi
+}
+zle -N uy_prepend_sudo
+bindkey '^[s' uy_prepend_sudo
diff --git a/config/shell/.config/zsh/conf.d/10-oops.zsh b/config/shell/.config/zsh/conf.d/10-oops.zsh
index aec3a21..6999bd0 100644
--- a/config/shell/.config/zsh/conf.d/10-oops.zsh
+++ b/config/shell/.config/zsh/conf.d/10-oops.zsh
@@ -1,4 +1,4 @@
-_oops_confirm() {
+uy_oops_confirm() {
     if [[ ! -f "$HISTFILE" ]]; then
         print -P "%F{red}Failed to locate history file: $HISTFILE%f"
         return 1
@@ -26,4 +26,4 @@ _oops_confirm() {
     fi
 }
 
-alias oops=' _oops_confirm'
+alias oops=' uy_oops_confirm'
diff --git a/memo/fish-keybindings.txt b/memo/shell-keybindings.txt
similarity index 68%
rename from memo/fish-keybindings.txt
rename to memo/shell-keybindings.txt
index 1fe733e..8e8132b 100644
--- a/memo/fish-keybindings.txt
+++ b/memo/shell-keybindings.txt
@@ -6,7 +6,12 @@ C b         字符后移
 A f         单词前移
 A b         单词后移
 
+C w         删除前一个单词
+A d         删除后一个单词
+
 C u         从光标位置到行首删除
 C k         从光标位置到行末删除
 
 A s         sudo
+
+A .         上一个命令的最后一个参数