[vim/tmux]works together

.tmux.conf

@@ -51,6 +51,8 @@ set-option -g visual-bell on
 #bind-key -t vi-copy PPage page-up
 #bind-key -t vi-copy NPage page-down
 
+set-window-option -g xterm-keys on
+
 set -g mouse on
 bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
 bind -n WheelDownPane select-pane -t= \; send-keys -M

.vimrc

@@ -561,4 +561,7 @@ Plugin 'gregkh/kernel-coding-style.git'
 
 " Web browsing
 Plugin 'yuratomo/w3m.vim'
+
+" Recognize Key in screen/tmux
+Plugin 'drmikehenry/vim-fixkey'
 call vundle#end()