alter table pro_main
    add reqdescription varchar(255) charset utf8 null comment '需求描述' after attachFiles;

alter table ctr_main
    add checkprecis varchar(255) charset utf8 null comment '验收条款摘要' after comments;

alter table ctr_main
    add filetwo text null comment '合同电子稿终版' after attachFiles;

