diff --git a/lisp/init-startup.el b/lisp/init-startup.el
index 8f5bcb6..bfa471c 100644
--- a/lisp/init-startup.el
+++ b/lisp/init-startup.el
@@ -11,7 +11,10 @@
   (toggle-frame-fullscreen)
   (global-unset-key (kbd "<f12>"))
   (global-set-key (kbd "<f12>") 'toggle-frame-fullscreen))
- (t nil))
+ (*is-linux*
+  (toggle-frame-fullscreen))
+ (*is-windows*
+  (toggle-frame-maximized)))
 
 ;; 配置备份文件和自动保存文件目录
 (setq backup-directory-alist