diff --git a/dotfiles/tmux.conf b/dotfiles/tmux.conf
index 5f57a60..633040b 100644
--- a/dotfiles/tmux.conf
+++ b/dotfiles/tmux.conf
@@ -38,4 +38,12 @@ set-option -g status-right "#[bg=colour156] #T | %y/%m/%d %H:%M:%S"
 #set-window-option -g window-status-format "#[bg=green]#I:#W-" # default
 set-window-option -g window-status-current-format "#[bg=colour156]#I:#W*"
 
+# -----------------------------------------------
+# true colour
+# alacritty: alacritty
+# wezterm xfce-terminal konsole gnome-terminal: xterm-256color
+set -ga terminal-overrides ",alacritty:RGB,xterm-256color:RGB"
+
+set-option -g focus-events on
 set -s escape-time 100
+