diff --git a/.vimrc b/.vimrc
index b0c691a..167db32 100644
--- a/.vimrc
+++ b/.vimrc
@@ -338,5 +338,7 @@ endif
 
 " source $VIMRUNTIME/vimrc_example.vim
 " source $VIMRUNTIME/mswin.vim
-
-
+"
+" use FormatXML or `=` to format xml need python3 installed
+com! FormatXML :%!python3 -c "import xml.dom.minidom, sys; print(xml.dom.minidom.parse(sys.stdin).toprettyxml())"
+nnoremap = :FormatXML<Cr>