diff --git a/code/init.el b/code/init.el
index 097cf12..bad0190 100644
--- a/code/init.el
+++ b/code/init.el
@@ -76,7 +76,7 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; additional packages
 (add-to-list 'package-selected-packages
-             '(centaur-tabs json-mode python-mode powershell rust-mode origami go-mode yaml-mode lua-mode)
+             '(json-mode python-mode powershell rust-mode origami go-mode yaml-mode lua-mode)
 )
 (when (not kmn/is-dayjob)
 (add-to-list 'package-selected-packages
@@ -96,23 +96,6 @@
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; tab line via centaur tabs
-(require 'centaur-tabs)
-(setq centaur-tabs-set-bar 'under)
-(setq centaur-tabs-set-close-button nil)
-(setq centaur-tabs-set-modified-marker t)
-(setq centaur-tabs-set-icons t)
-(setq centaur-tabs-plain-icons t)
-(setq centaur-tabs-cycle-scope 'tabs)
-(setq centaur-tabs-show-new-tab-button nil)
-(add-hook 'dired-mode-hook 'centaur-tabs-local-mode)
-(add-hook 'org-agenda-mode 'centaur-tabs-local-mode)
-(global-set-key (kbd "C-c t i") 'centaur-tabs-backward)
-(global-set-key (kbd "C-c t <left>") 'centaur-tabs-backward)
-(global-set-key (kbd "C-c t e") 'centaur-tabs-forward)
-(global-set-key (kbd "C-c t <right>") 'centaur-tabs-forward)
-(global-set-key (kbd "C-c t y") 'centaur-tabs-local-mode)
-(global-set-key (kbd "C-c t <down>") 'centaur-tabs-local-mode)
-(global-set-key (kbd "C-c t <up>") 'centaur-tabs-local-mode)
 (centaur-tabs-mode t)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/common/_global.el b/common/_global.el
index 6b50414..602ae4b 100644
--- a/common/_global.el
+++ b/common/_global.el
@@ -13,7 +13,7 @@
 (add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t) ; this goes in chemacs2 init -- DO NOT UNCOMMENT
 (package-initialize) ; this goes in chemacs2 init -- DO NOT UNCOMMENT
 (add-to-list 'package-selected-packages
-             '(scratch persistent-scratch persp-mode rainbow-mode rainbow-delimiters markdown-mode focus zoom popwin dired-single diredfl doominhibitinhibit-modeline helpful helm helm-org dired-rainbow dired-rainbow-listing dired-single dash s origami modus-themes use-package)
+             '(centaur-tabs scratch persistent-scratch persp-mode rainbow-mode rainbow-delimiters markdown-mode focus zoom popwin dired-single diredfl doominhibitinhibit-modeline helpful helm helm-org dired-rainbow dired-rainbow-listing dired-single dash s origami modus-themes use-package)
 )
 (when (not kmn/is-dayjob)
 (add-to-list 'package-selected-packages
@@ -494,6 +494,52 @@
 ;(tab-bar-mode t)
 ;(burly-tabs-mode 1)
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; tab line via centaur tabs
+(require 'centaur-tabs)
+(setq centaur-tabs-set-bar 'under)
+(setq centaur-tabs-set-close-button nil)
+(setq centaur-tabs-set-modified-marker t)
+(setq centaur-tabs-set-icons t)
+(setq centaur-tabs-plain-icons t)
+(setq centaur-tabs-cycle-scope 'tabs)
+(setq centaur-tabs-show-new-tab-button nil)
+(add-hook 'dired-mode-hook 'centaur-tabs-local-mode)
+(add-hook 'org-agenda-mode 'centaur-tabs-local-mode)
+(global-set-key (kbd "C-c t i") 'centaur-tabs-backward)
+(global-set-key (kbd "C-c t <left>") 'centaur-tabs-backward)
+(global-set-key (kbd "C-c t e") 'centaur-tabs-forward)
+(global-set-key (kbd "C-c t <right>") 'centaur-tabs-forward)
+(global-set-key (kbd "C-c t y") 'centaur-tabs-local-mode)
+(global-set-key (kbd "C-c t <down>") 'centaur-tabs-local-mode)
+(global-set-key (kbd "C-c t <up>") 'centaur-tabs-local-mode)
+
+(defun centaur-tabs-buffer-groups ()
+  "`centaur-tabs-buffer-groups' control buffers' group rules.
+
+Group centaur-tabs with mode if buffer is derived from `eshell-mode' `emacs-lisp-mode' `dired-mode' `org-mode' `magit-mode'.
+All buffer name start with * will group to \"Emacs\".
+Other buffer group by `centaur-tabs-get-group-name' with project name."
+  (list
+   (cond
+    ((string-equal "*" (substring (buffer-name) 0 1))
+         (memq major-mode '(magit-process-mode
+                            magit-status-mode
+                            magit-diff-mode
+                            magit-log-mode
+                            magit-file-mode
+                            magit-blob-mode
+                            magit-blame-mode
+                            ))
+     "Misc")
+    ((derived-mode-p 'dired-mode)
+     "Dired")
+    ((memq major-mode '(helpful-mode
+                        help-mode))
+     "Help")
+    (t
+     (centaur-tabs-get-group-name (current-buffer))))))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; persp-mode
 (setq persp-auto-resume-time -1.0)