ALTER TABLE `fa_ps_product`
  ADD COLUMN `qty` decimal(12,2) NOT NULL DEFAULT '0.00' COMMENT '总数量' AFTER `unit`,
  ADD COLUMN `sheet_qty` decimal(12,2) NOT NULL DEFAULT '0.00' COMMENT '每版数量，一版一张流程单' AFTER `qty`;

ALTER TABLE `fa_ps_workorder`
  ADD COLUMN `sheet_qty` decimal(12,2) NOT NULL DEFAULT '0.00' COMMENT '每版数量，一版一张流程单' AFTER `qty`;