datagrid groupStyler not style all the header area [SOLVED]

[aswzen]

see this fiddle: http://jsfiddle.net/dj2fqyz0/

The datagrid groupStyler not style all the header area.
How to make it style all area?

Thank you in advance

[jarry]

Please download the 'datagrid-groupview.js' file from http://www.jeasyui.com/extension/datagridview.php

[aswzen]

i got more problem

see this fiddle: http://jsfiddle.net/2L6L8xrp/

you will see that the group header not rendering the header on full width of table..
how to make the group header render in full width of table (not by collected column width)

thank you

[jarry]

Be sure to download the updated 'datagrid-groupview.js' file from http://www.jeasyui.com/extension/datagridview.php. This fiddle: http://jsfiddle.net/2L6L8xrp/ works fine.