diff --git a/after/ftplugin/python.vim b/after/ftplugin/python.vim
index a0bc092..67eb0c8 100644
--- a/after/ftplugin/python.vim
+++ b/after/ftplugin/python.vim
@@ -1,3 +1,3 @@
 if exists(':AsyncRun')
-    nnoremap <silent> <F9> :AsyncRun python "%"<CR>
+    nnoremap <silent> <F9> :AsyncRun python -u "%"<CR>
 endif
diff --git a/options.vim b/options.vim
index 210cbe6..c4df36d 100644
--- a/options.vim
+++ b/options.vim
@@ -141,6 +141,7 @@ let g:MY_DICT = expand(g:nvim_config_root . '/dict/words')
 let &dictionary = &dictionary . ',' . g:MY_DICT
 
 set spelllang=en,cjk  " Spell languages
+set spellsuggest+=10  " The number of suggestions shown in the screen for z=
 
 " Align indent to next multiple value of shiftwidth. For its meaning,
 " see http://tinyurl.com/y5n87a6m
diff --git a/plugins.vim b/plugins.vim
index aba7477..cb51cca 100644
--- a/plugins.vim
+++ b/plugins.vim
@@ -832,5 +832,9 @@ noremap <silent> <ScrollWheelUp>   :call comfortable_motion#flick(-40)<CR>
 """""""""""""""""""""""""" asyncrun.vim settings """"""""""""""""""""""""""
 " Automatically open quickfix window of 6 line tall after asyncrun starts
 let g:asyncrun_open = 6
+if has('win32')
+    " Command output encoding for Windows
+    let g:asyncrun_encs = 'gbk'
+endif
 "}}
 "}