diff --git a/bashrc b/bashrc
index 564ed14..e49d697 100755
--- a/bashrc
+++ b/bashrc
@@ -282,10 +282,13 @@ ssh(){
 clk(){
     local tformat="%Y/%m/%d %H:%M:%S %z"
     cal
-    while true
+    REPLY=
+    printf "\\r`date "+${tformat}"`"
+    read -t 1
+    while test $? -ne 0
     do
         printf "\\r`date "+${tformat}"`"
-        sleep 1
+        read -t 1
     done
 }
 
@@ -595,28 +598,6 @@ convmv-sjis2utf8-notest(){
     convmv -r -f sjis -t utf8 * --notest
 }
 
-_colors(){
-    echo -e \
-        "\e[30mBlack" \
-        "\e[31mRed" \
-        "\e[32mGreen" \
-        "\e[33mYellow" \
-        "\e[34mBlue" \
-        "\e[35mMagenta" \
-        "\e[36mCyan" \
-        "\e[37mWhite"
-    echo -e \
-        "\e[30;1mBright Black" \
-        "\e[31;1mBright Red" \
-        "\e[32;1mBright Green" \
-        "\e[33;1mBright Yellow" \
-        "\e[34;1mBright Blue" \
-        "\e[35;1mBright Magenta" \
-        "\e[36;1mBright Cyan" \
-        "\e[37;1mBright White\n" \
-        "\e[0m"
-}
-
 winln(){
     # for windose make link (actually junction)
     if test $# -eq 0
diff --git a/emacs.el b/emacs.el
index ce57dc4..70ec8be 100644
--- a/emacs.el
+++ b/emacs.el
@@ -655,6 +655,13 @@ found, otherwise returns nil."
 
 (lazy-load-eval 'sudoku)
 
+;; https://github.com/lunaryorn/flycheck
+(when (require 'flycheck nil t)
+  (add-hook 'after-init-hook #'global-flycheck-mode))
+
+(defun my-install-packages ()
+  nil)
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; window
 
@@ -718,11 +725,6 @@ found, otherwise returns nil."
             (fset 'makefile-warn-suspicious-lines 'ignore)
             ))
 
-(defun make ()
-  "Run \"make -k\" in current directory."
-  (interactive)
-  (compile "make -k"))
-
 (add-hook 'verilog-mode-hook
           (lambda ()
             (define-key verilog-mode-map ";" 'self-insert-command)))
@@ -1782,6 +1784,32 @@ if arg given, use that eshell buffer, otherwise make new eshell buffer."
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; misc funcs
 
+(defun my-grep ()
+  "Use git-grep if avaliable.."
+  (interactive)
+  (require 'grep)
+  (let ((--grep-command-bak grep-command)
+        (--grep-use-null-device-bak grep-use-null-device))
+    (if (called-interactively-p 'any)
+        (progn
+          (when (eq 0
+                    (shell-command "git rev-parse --git-dir"))
+            (grep-apply-setting 'grep-command
+                                "git --no-pager grep -nH -e ")
+            (grep-apply-setting 'grep-use-null-device
+                                nil))
+          (call-interactively 'grep)
+          (grep-apply-setting 'grep-command
+                              --grep-command-bak)
+          (grep-apply-setting 'grep-use-null-device
+                              --grep-use-null-device-bak))
+      (message "my-grep only allow interactive call."))))
+
+(defun make ()
+  "Run \"make -k\" in current directory."
+  (interactive)
+  (compile "make -k"))
+
 (defvar sed-in-place-history nil
   "History of `sed-in-place'")
 
diff --git a/tmux.conf.pl b/tmux.conf.pl
index 0494e7c..36ee220 100755
--- a/tmux.conf.pl
+++ b/tmux.conf.pl
@@ -86,9 +86,9 @@ sub set_colors {
     set("message-bg", "white");
     set("message-fg", "black");
 
-    setw("window-status-current-bg", "default");
-    setw("window-status-current-fg", "default");
-    setw("window-status-current-attr", "reverse");
+    setw("window-status-current-bg", "white");
+    setw("window-status-current-fg", "black");
+    setw("window-status-current-attr", "bold");
 }
 
 sub main {