ALTER TABLE `dev_template`
ADD COLUMN `type` tinyint(1) UNSIGNED NULL DEFAULT 0 COMMENT '模板类型(0-通用模板,1-专属模板)' AFTER `creator_id`,
ADD COLUMN `exclusive_tenant_id` bigint NULL COMMENT '专属租户ID' AFTER `type`;

ALTER TABLE `oper_firmware_upgrade_task`
ADD COLUMN `length`  int(11) NOT NULL DEFAULT 1024 COMMENT '帧大小' AFTER `task_batch_id`;