diff --git a/src/main/resources/mysql/oa_project_child.sql b/src/main/resources/mysql/oa_project_child.sql
index c750c63..f4f771c 100644
--- a/src/main/resources/mysql/oa_project_child.sql
+++ b/src/main/resources/mysql/oa_project_child.sql
@@ -2,7 +2,7 @@ create table oa_project_child
 (
     id            bigint unsigned auto_increment comment '项目id'
         primary key,
-    project_id    bigint unsigned                        not null comment '主要项目id',
+    project_id    bigint unsigned                        null comment '主要项目id',
     name          varchar(100)                           not null comment '项目名称',
     principal_id  bigint unsigned                        not null comment '项目负责人',
     description   json                                   null comment '项目描述（技术选择，描述）',
@@ -13,11 +13,8 @@ create table oa_project_child
     created_at    timestamp    default CURRENT_TIMESTAMP not null comment '创建时间',
     updated_at    timestamp                              null comment '更新时间',
     is_delete     tinyint(1)   default 0                 not null comment '项目是否删除',
-    dead_line     timestamp                              not null comment '子系统的截止时间',
-    status        varchar(8)   default 'progress'        not null comment '系统状态（draft: 草稿，progress: 进行，pause: 暂停，abnormal: 异常，complete: 完成）',
     constraint oa_project_child_oa_user_id_fk
         foreign key (principal_id) references oa_user (id)
             on update cascade
 )
-    comment '项目表';
-
+    comment '项目表';
\ No newline at end of file