diff --git a/.myvimrc b/.myvimrc
index ed1bb6f..01156d4 100644
--- a/.myvimrc
+++ b/.myvimrc
@@ -32,11 +32,11 @@ noremap J 5j
 noremap H 5h
 noremap L 5l
 
-" ===screen split
-noremap sk :set nosplitbelow<CR>:split 
-noremap sj :set splitbelow<CR>:split 
-noremap sh :set nosplitright<CR>:vsplit 
-noremap sl :set splitright<CR>:vsplit 
+" ===window split
+noremap wsk :set nosplitbelow<CR>:split 
+noremap wsj :set splitbelow<CR>:split 
+noremap wsh :set nosplitright<CR>:vsplit 
+noremap wsl :set splitright<CR>:vsplit 
 
 map <up> <C-w>k
 map <down> <C-w>j