diff --git a/home/dot_aliases b/home/dot_aliases
index 6ab13e0..d05acdf 100644
--- a/home/dot_aliases
+++ b/home/dot_aliases
@@ -35,12 +35,12 @@ if [ $(command -v cargo) ]; then
     alias co="cargo outdated"
 fi
 
-if [ $(command -v exa) ]; then
-    alias l="exa"
-    alias ls="exa --git"
-    alias la="exa -a --git"
-    alias ll="exa -lab --time-style=long-iso --git"
-    alias tree='exa -al --tree --git-ignore --git -I ".git"'
+if [ $(command -v eza) ]; then
+    alias l="eza"
+    alias ls="eza --git"
+    alias la="eza -a --git"
+    alias ll="eza -lab --time-style=long-iso --git"
+    alias tree='eza -al --tree --git-ignore --git -I ".git"'
 else
     alias l="ls"
     alias la="ls -a"
diff --git a/home/dot_config/alacritty/alacritty.yml b/home/dot_config/alacritty/alacritty.yml
index d9ea9aa..2cd9265 100644
--- a/home/dot_config/alacritty/alacritty.yml
+++ b/home/dot_config/alacritty/alacritty.yml
@@ -21,5 +21,5 @@ shell:
    - -c
    - 'tmux new -A -s default'
 import:
-  - ~/.config/alacritty/themes/themes/tokyo-night-storm.yaml
+  - ~/.config/alacritty/themes/themes/kanagawa_dragon.yaml
 
diff --git a/home/dot_config/git/config b/home/dot_config/git/config
index a27c870..88bb5a0 100644
--- a/home/dot_config/git/config
+++ b/home/dot_config/git/config
@@ -19,3 +19,8 @@
     gpgsign = true
 [merge]
     conflictStyle = diff3
+
+[delta]
+    side-by-side = true
+    line-numbers = true
+    navigate = true
diff --git a/home/dot_config/yabai/executable_yabairc b/home/dot_config/yabai/executable_yabairc
index 56ad0c8..08219b1 100644
--- a/home/dot_config/yabai/executable_yabairc
+++ b/home/dot_config/yabai/executable_yabairc
@@ -1,5 +1,5 @@
 yabai -m config                                 \
-    mouse_follows_focus          on             \
+    mouse_follows_focus          off            \
     focus_follows_mouse          autoraise      \
     window_origin_display        default        \
     window_placement             second_child   \
diff --git a/home/dot_zshrc b/home/dot_zshrc
index 94da0e6..2a8e575 100644
--- a/home/dot_zshrc
+++ b/home/dot_zshrc
@@ -96,7 +96,10 @@ if command -v pyenv 1>/dev/null 2>&1; then
 fi
 
 # cargo
-source "$HOME/.cargo/env"
+[ -d "$HOME/.cargo" ] && source "$HOME/.cargo/env"
+
+# rye
+[ -d "$HOME/.rye" ] && source "$HOME/.rye/env"
 
 # The next line enables shell command completion for gcloud.
 if [ -f '/Users/ikanago/google-cloud-sdk/completion.zsh.inc' ]; then . '/Users/ikanago/google-cloud-sdk/completion.zsh.inc'; fi