ALTER TABLE company ADD COLUMN
    invoice_client_url varchar(256) DEFAULT NULL COMMENT '前台發票列印位址';
ALTER TABLE company ADD COLUMN
    invoice_printer_ip varchar(32) DEFAULT NULL COMMENT '發票列印機IP';
ALTER TABLE company ADD COLUMN
    invoice_printer_port varchar(10) DEFAULT NULL COMMENT '發票列印機PORT';
ALTER TABLE company ADD COLUMN
    invoice_client_key_code varchar(50) DEFAULT NULL COMMENT '前台發票列印的金鑰';