diff --git a/lisp/init-org.el b/lisp/init-org.el
index c5cf8ed..d114793 100644
--- a/lisp/init-org.el
+++ b/lisp/init-org.el
@@ -8,8 +8,8 @@
   :config
   ; Line Truncation @ https://www.gnu.org/software/emacs/manual/html_node/emacs/Line-Truncation.html
   (add-hook 'org-mode-hook (lambda () (setq truncate-lines nil)))
-  ; Dynamic Headline Numbering @ https://orgmode.org/manual/Dynamic-Headline-Numbering.html
-  (setq org-startup-numerated t)
+  ;; ; Dynamic Headline Numbering @ https://orgmode.org/manual/Dynamic-Headline-Numbering.html
+  ;; (setq org-startup-numerated t)
   ; Hide emphasis markup characters in buffers @ https://orgmode.org/manual/Emphasis-and-Monospace.html
   (setq org-hide-emphasis-markers t)
   ; if there is a #+ATTR.*: width="200", resize to 200, otherwise resize to 320
diff --git a/lisp/init-pdf.el b/lisp/init-pdf.el
index 0e550a6..08268e7 100644
--- a/lisp/init-pdf.el
+++ b/lisp/init-pdf.el
@@ -28,7 +28,7 @@
   (require 'pdf-annot)                                           ; 设置 pdf-annot-mimor-mode-map
   (require 'pdf-history)                                         ; 设置 pdf-history-minor-mode-map
   (add-hook 'pdf-view-mode-hook 'pdf-view-fit-width-to-window)   ; 默认适应页宽
-  ; (add-hook 'pdf-view-mode-hook 'pdf-view-midnight-minor-mode) ; 默认夜间模式
+  (add-hook 'pdf-view-mode-hook 'pdf-view-midnight-minor-mode)   ; 默认夜间模式
   (add-hook 'TeX-after-compilation-finished-functions
 	    #'TeX-revert-document-buffer) ; 完成编译后刷新 pdf 文件
   )