diff --git a/install b/install
index bd795b0..86ea908 100755
--- a/install
+++ b/install
@@ -12,8 +12,9 @@ elif [[ "$(expr substr $(uname -s) 1 5)" == "Linux" ]]; then
     echo "installing mysql_markdown_unix"
     curl -o /usr/local/bin/mysql_markdown -sSL "${dl_dir}mysql_markdown_unix"
     chmod a+x /usr/local/bin/mysql_markdown
-elif [[ "$(ex
+elif [[ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]]; then
+    # Windows NT操作系统
     echo "installing mysql_markdown_win"
     curl -o mysql_markdown -sSL "${dl_dir}mysql_markdown_unix"
     #echo -e "sorry! please download source to build as well as install"
-fi
\ No newline at end of file
+fi