diff --git a/lisp/init-better-default.el b/lisp/init-better-default.el
index b333d96..9f1cc4e 100644
--- a/lisp/init-better-default.el
+++ b/lisp/init-better-default.el
@@ -106,9 +106,14 @@ unreadable.  Returns the names of envvars that were changed."
 (setq-default cursor-type 'bar)
 (setq make-backup-files nil)
 (setq use-short-answers t)
-(setq frame-title-format "")
+(setq frame-title-format "\n")
 (setq custom-safe-themes t)
 
+;; 隐藏 title bar
+(setq default-frame-alist '((undecorated-round . t)))
+(add-to-list 'default-frame-alist '(drag-internal-border . 1))
+(add-to-list 'default-frame-alist '(internal-border-width . 5))
+
 (pcase system-type ('darwin (setq insert-directory-program "gls")))
     
 (setq-default tab-width 4