The smart table smartTable removes ABC in the first row and 123 in the first column

The recent project uses smartTable,
the address of smartTable: https://github.com/huangyanbin/smartTable

How to remove ABC in the first row and 123 in the first column in smartTable:

        tableView.getConfig().setShowXSequence(false);
        tableView.getConfig().setShowYSequence(false);