ALTER TABLE `security_good_thing`
MODIFY COLUMN `content`  varchar(5000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '内容' AFTER `good_thing_date`;

ALTER TABLE `security_good_thing`
MODIFY COLUMN `remark`  varchar(250) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '备注' AFTER `content`;