diff --git a/.myvimrc b/.myvimrc
index eb25976..b018f27 100644
--- a/.myvimrc
+++ b/.myvimrc
@@ -33,10 +33,10 @@ noremap H 5h
 noremap L 5l
 
 " ===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 
+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