diff --git a/common/_global.el b/common/_global.el
index 1b62219..c0464d8 100644
--- a/common/_global.el
+++ b/common/_global.el
@@ -274,6 +274,16 @@
 
 (helm-mode 1)
 (helm-autoresize-mode 1)
+
+(set-face-attribute 'helm-source-header nil :height 0.6)
+(setq helm-display-header-line nil
+  helm-autoresize-max-height 24
+  helm-autoresize-min-height 24)
+
+(setq helm-split-window-in-side-p       t ; open helm buffer inside current window, not occupy whole other window
+  helm-ff-file-name-history-use-recentf t
+  helm-echo-input-in-header-line        t)
+
 (global-set-key (kbd "C-x C-d") 'helm-browse-project)
 (global-set-key (kbd "C-x b") 'list-buffers)
 (define-key global-map [remap find-file] 'helm-find-files)