diff --git a/nvim/init.vim b/nvim/init.vim
index 197aa78..7d5c897 100644
--- a/nvim/init.vim
+++ b/nvim/init.vim
@@ -111,8 +111,6 @@ set noswapfile
 
 set background=dark
 
-set termguicolors
-
 function! AdaptColorscheme()
     highlight clear CursorLine
     highlight Normal ctermbg=none
@@ -241,6 +239,10 @@ let g:tagbar_type_go = {
 	\ 'ctagsargs' : '-sort -silent'
 \ }
 
+" copilot setup
+imap <silent><script><expr> <C-J> copilot#Accept("\<CR>")
+let g:copilot_no_tab_map = v:true
+
 " vim-go setting
 autocmd FileType go nmap <leader>err <Plug>(go-iferr)
 let g:go_fmt_fail_silently = 1
diff --git a/tmux b/tmux
index e5c876f..1be42dd 100644
--- a/tmux
+++ b/tmux
@@ -61,12 +61,12 @@ bind-key C-l select-window -t :+
 bind-key -n C-l select-window -t :+
 
 # navigate panes
-bind-key j select-pane -t :.-
-bind-key C-j select-pane -t :.-
-bind-key -n C-j select-pane -t :.-
-bind-key k select-pane -t :.+
-bind-key C-k select-pane -t :.+
-bind-key -n C-k select-pane -t :.+
+# bind-key j select-pane -t :.-
+# bind-key C-j select-pane -t :.-
+# bind-key -n C-j select-pane -t :.-
+# bind-key k select-pane -t :.+
+# bind-key C-k select-pane -t :.+
+# bind-key -n C-k select-pane -t :.+
 
 # Copy-mode (vi-mode)
 #