diff --git a/tmux/.tmux.conf b/tmux/.tmux.conf
index 298636f..d27018e 100644
--- a/tmux/.tmux.conf
+++ b/tmux/.tmux.conf
@@ -13,9 +13,17 @@ bind | splitw -h -c '#{pane_current_path}'
 
 # 开启 24bit 真彩色,tmux > 2.2 开始支持
 set -g default-terminal "screen-256color"
-set-option -ga terminal-overrides ",*256col*:Tc" 
+set -ga terminal-overrides ",*256col*:Tc"
+
+# 开启鼠标模式
+set -g mouse on
+
+# 绑定 `Ctrl-b m` 切换鼠标模式
+bind m \
+  if-shell -F "#{mouse}" \
+    "set -g mouse off ; display 'Mouse: OFF'" \
+    "set -g mouse on ; display 'Mouse: ON'"
 
-set-option -g mouse on
 
 # 绑定hjkl键为面板切换的上下左右键
 bind k select-pane -U # 绑定k为↑
@@ -38,13 +46,13 @@ set -s escape-time 1
 bind L switch-client -l
 
 # 设置窗口名为当前目录名
-set-option -g status-interval 10
-set-option -g automatic-rename on
-set-option -g automatic-rename-format '#{b:pane_current_path}'
+set -g status-interval 10
+set -g automatic-rename on
+set -g automatic-rename-format '#{b:pane_current_path}'
 
-set-option -g set-titles on
+set -g set-titles on
 #set-option -g set-titles-string "#{session_name} - #{host}"
-set-option -g set-titles-string "#{session_name}"
+set -g set-titles-string "#{session_name}"
 
 # List of plugins
 set -g @plugin 'tmux-plugins/tpm'