diff --git a/.gitmodules b/.gitmodules
index 159a06e..5f7c8c4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "bundle/vim-pathogen"]
 	path = bundle/vim-pathogen
 	url = https://github.com/tpope/vim-pathogen
-[submodule "bundle/vim-latex-live-preview"]
-	path = bundle/vim-latex-live-preview
-	url = https://github.com/xuhdev/vim-latex-live-preview.git
 [submodule "bundle/vim-misc"]
 	path = bundle/vim-misc
 	url = https://github.com/xolox/vim-misc
@@ -19,3 +16,9 @@
 [submodule "bundle/vim-header"]
 	path = bundle/vim-header
 	url = https://github.com/alpertuna/vim-header
+[submodule "vimtex"]
+	path = vimtex
+	url = https://github.com/lervag/vimtex
+[submodule "bundle/vimtex"]
+	path = bundle/vimtex
+	url = https://github.com/lervag/vimtex
diff --git a/.netrwhist b/.netrwhist
deleted file mode 100644
index bbd025d..0000000
--- a/.netrwhist
+++ /dev/null
@@ -1,9 +0,0 @@
-let g:netrw_dirhistmax  =10
-let g:netrw_dirhist_cnt =7
-let g:netrw_dirhist_1='/var/log'
-let g:netrw_dirhist_2='/var/log/journal/bd908959bce6457c81006d84ed7c138c'
-let g:netrw_dirhist_3='/etc/X11/xorg.conf.d'
-let g:netrw_dirhist_4='/home/main'
-let g:netrw_dirhist_5='/usr/share/X11/xorg.conf.d'
-let g:netrw_dirhist_6='/home/main/AUR/adms/.git'
-let g:netrw_dirhist_7='/home/main/AUR/scilab/pkg'
diff --git a/bundle/vimtex b/bundle/vimtex
new file mode 160000
index 0000000..eb4c21f
--- /dev/null
+++ b/bundle/vimtex
@@ -0,0 +1 @@
+Subproject commit eb4c21f969f39f4c68cff6a42a45024427e633ac
diff --git a/ftplugin/tex.vim b/ftplugin/tex.vim
index 78efa76..b6131ea 100644
--- a/ftplugin/tex.vim
+++ b/ftplugin/tex.vim
@@ -7,8 +7,10 @@ set enc=utf-8
 
 "---- plugins
 
-"vim-latex-preview
-autocmd Filetype tex setl updatetime=1000
-let g:livepreview_previewer = 'evince'	
-let g:livepreview_engine = 'xelatex'
+"vimtex
+let g:vimtex_fold_enable = 1
+let g:tex_flavor = 'latex'
+let g:vimtex_view_general_viewer = 'evince'
+let g:vimtex_compiler_method = 'latexmk'
+let g:vimtex_compiler_latexmk['options'] = '-shell-escape'
 
diff --git a/vimrc b/vimrc
index dff078a..47e9e42 100644
--- a/vimrc
+++ b/vimrc
@@ -37,8 +37,14 @@ set pastetoggle=<F5>
 "matching parenthesis
 set showmatch
 
+"escape sequence
+set ttimeout
+set timeout timeoutlen=300
+let mapleader=','
+
 "mapping
 nmap <silent> <S-A-Up> :wincmd k<CR>
+nmap <silent> <^[[1;4D> : wincmd h<CR>
 nmap <silent> <S-A-Down> :wincmd j<CR>
 nmap <silent> <S-A-Left> :wincmd h<CR>
 nmap <silent> <S-A-Right> :wincmd l<CR>
@@ -46,9 +52,6 @@ nmap <silent> <C-l> :noh<CR>
 nmap <silent> <F6> gg=G<C-o><C-o><CR>
 nmap <silent> <C-t> :NERDTreeToggle<CR>
 
-"escape sequence
-:set timeout timeoutlen=100
-
 "tags
 set tags=tags;
 set autochdir