ALTER TABLE `fees_invoice`.`invoice_img`
ADD COLUMN `ext01` varchar(50) NULL AFTER `ORG_NAME`,
ADD COLUMN `ext02` varchar(50) NULL AFTER `ext01`,
ADD COLUMN `ext03` varchar(50) NULL AFTER `ext02`,
ADD COLUMN `ext04` varchar(50) NULL AFTER `ext03`,
ADD COLUMN `ext05` varchar(255) NULL AFTER `ext04`;