update: change header link to Chinese version

Author: Chivier

config.ini

@@ -35,7 +35,7 @@ tabs = mindspore, pytorch, tensorflow
 # items: name, URL, and a fontawesome icon
 # (https://fontawesome.com/icons?d=gallery). Items are separated by commas.
 header_links = GitHub, https://github.com/openmlsys/openmlsys-en, fab fa-github,
-               English Version, https://openmlsys.github.io/html-en, fas fa-external-link-alt
+               中文版, https://openmlsys.github.io/, fas fa-external-link-alt
 
 favicon = static/favicon.png