diff --git a/.tmux/plugin/ailog.zsh b/.tmux/plugin/ailog.zsh
index 773f61a..4352613 100755
--- a/.tmux/plugin/ailog.zsh
+++ b/.tmux/plugin/ailog.zsh
@@ -23,7 +23,7 @@ get_cfg() {
 }
 
 has_aifont() {
-  [ -f "$HOME/Library/Fonts/aifont.ttf" ] || [ -f "$HOME/.local/share/fonts/aifont.ttf" ]
+  [ -f "$HOME/Library/Fonts/aifont.ttf" ] || [ -f "/usr/share/fonts/TTF/aifont.ttf" ]
 }
 
 can_run() {
diff --git a/.zsh/plugin/powerline.zsh b/.zsh/plugin/powerline.zsh
index 63f2adf..c860c7d 100644
--- a/.zsh/plugin/powerline.zsh
+++ b/.zsh/plugin/powerline.zsh
@@ -2,7 +2,7 @@
 # requires: aifont (MesloLGS NF + ai/syui icons)
 
 _has_aifont() {
-  [[ -f "$HOME/Library/Fonts/aifont.ttf" ]] || [[ -f "$HOME/.local/share/fonts/aifont.ttf" ]]
+  [[ -f "$HOME/Library/Fonts/aifont.ttf" ]] || [[ -f "/usr/share/fonts/TTF/aifont.ttf" ]]
 }
 
 _powerline_git() {
diff --git a/install.zsh b/install.zsh
index 85b4175..446cd51 100755
--- a/install.zsh
+++ b/install.zsh
@@ -66,15 +66,24 @@ if [ ! -f "$HOME/.vim/autoload/plug.vim" ]; then
 fi
 
 # install font
-fontpath="$HOME/.local/share/fonts/aifont.ttf"
+fonturl="https://git.syui.ai/ai/font/raw/branch/main/aifont.ttf"
+case "$(uname)" in
+  Darwin)
+    fontpath="$HOME/Library/Fonts/aifont.ttf"
+    ;;
+  *)
+    fontpath="/usr/share/fonts/TTF/aifont.ttf"
+    ;;
+esac
 if [ ! -f "$fontpath" ]; then
-  mkdir -p "$HOME/.local/share/fonts"
-  curl -sL -o "$fontpath" https://git.syui.ai/ai/font/raw/branch/main/aifont.ttf
-  echo "font: downloaded aifont.ttf"
-fi
-if [ "$(uname)" = "Darwin" ] && [ -f "$fontpath" ]; then
-  cp -f "$fontpath" ~/Library/Fonts/aifont.ttf
-  echo "font: aifont.ttf -> ~/Library/Fonts/"
+  mkdir -p "$(dirname "$fontpath")"
+  if [ "$(uname)" = "Darwin" ]; then
+    curl -sL -o "$fontpath" "$fonturl"
+  else
+    sudo curl -sL -o "$fontpath" "$fonturl"
+    fc-cache -f 2>/dev/null
+  fi
+  echo "font: $fontpath"
 fi
 
 echo "done"