diff --git a/database/init.sql b/database/init.sql
index 1762f56..0b17e63 100644
--- a/database/init.sql
+++ b/database/init.sql
@@ -2,90 +2,100 @@ create table bilbil_asoul_video
 (
     id         bigint unsigned auto_increment
         primary key,
-    bvid       varchar(16)                 not null,
-    aid        int unsigned                not null,
-    name       varchar(32)                 null,
-    mid        bigint unsigned             not null,
-    face       varchar(255)                not null,
-    tid        int unsigned                not null,
-    tname      varchar(32)                 not null,
-    copyright  int unsigned                not null,
-    title      varchar(128)                not null,
-    `desc`     varchar(1024)               not null,
-    pic        varchar(255)                not null,
-    tag        varchar(128)                not null,
-    pubdate    int unsigned                not null,
-    duration   varchar(64)                 not null,
-    view       bigint unsigned default '0' not null,
-    danmaku    bigint unsigned default '0' not null,
-    reply      bigint unsigned default '0' not null,
-    favorite   bigint unsigned default '0' not null,
-    coin       bigint unsigned default '0' not null,
-    share      bigint unsigned default '0' not null,
-    `like`     bigint unsigned default '0' not null,
-    score      bigint unsigned default '0' not null,
-    status     tinyint         default 1   not null,
-    created_at bigint unsigned             not null,
-    updated_at bigint unsigned default '0' not null,
+    bvid       varchar(32)                  not null,
+    aid        bigint unsigned              not null,
+    name       varchar(32)                  not null,
+    mid        bigint unsigned              not null,
+    face       varchar(255)                 not null,
+    tid        int unsigned                 not null,
+    tname      varchar(32)                  not null,
+    copyright  int                          not null,
+    title      varchar(255)                 not null,
+    `desc`     varchar(2048)                not null,
+    pic        varchar(255)                 not null,
+    tag        varchar(2048)                not null,
+    pubdate    bigint unsigned              not null,
+    duration   varchar(64)                  not null,
+    view       bigint unsigned  default '0' not null,
+    danmaku    bigint unsigned  default '0' not null,
+    reply      bigint unsigned  default '0' not null,
+    favorite   bigint unsigned  default '0' not null,
+    coin       bigint unsigned  default '0' not null,
+    share      bigint unsigned  default '0' not null,
+    `like`     bigint unsigned  default '0' not null,
+    score      bigint unsigned  default '0' not null,
+    status     tinyint unsigned default '1' not null,
+    created_at bigint unsigned  default '0' not null,
+    updated_at bigint unsigned  default '0' not null,
     constraint bilbil_asoul_video_bvid_uindex
         unique (bvid)
 );
 
-create index bilbil_asoul_video_bvid_index
-    on bilbil_asoul_video (bvid);
+create index bilbil_asoul_video_copyright_pubdate_score_index
+    on bilbil_asoul_video (copyright, pubdate, score);
 
 create index bilbil_asoul_video_pubdate_index
     on bilbil_asoul_video (pubdate);
 
+create index bilbil_asoul_video_score_index
+    on bilbil_asoul_video (score);
+
 create table bilbil_video_tag
 (
-    v_id int         not null,
-    tag  varchar(16) not null,
+    v_id         bigint                             not null comment 'video表id',
+    tag          varchar(64)                        not null comment 'tag名称',
+    gmt_create   datetime default CURRENT_TIMESTAMP not null,
+    gmt_modified datetime default CURRENT_TIMESTAMP not null on update CURRENT_TIMESTAMP,
     primary key (tag, v_id)
-);
-
-create table video_analysis
-(
-    id    int unsigned auto_increment
-        primary key,
-    type  varchar(16) null,
-    `key` varchar(32) not null,
-    score bigint      not null
-);
-
-create index video_analysis_key_index
-    on  video_analysis (`key`);
-
+)
+    comment 'tag和video关联表';
 
 create table session
 (
-    id          int unsigned auto_increment
+    u_id        int unsigned                        not null
         primary key,
-    uid         int unsigned not null,
-    session_key varchar(128) not null,
+    session_key varchar(64)                         not null,
+    created_at  timestamp default CURRENT_TIMESTAMP not null,
+    updated_at  timestamp default CURRENT_TIMESTAMP not null,
     constraint session_session_key_uindex
         unique (session_key)
 );
 
 create table user
 (
-    id             int auto_increment
+    id             int unsigned auto_increment
+        primary key,
+    avatar         varchar(64)                  null,
+    cover          varchar(64)                  null,
+    nickname       varchar(32)                  not null,
+    password       varchar(255)                 not null,
+    status         tinyint unsigned default '1' not null,
+    email          varchar(255)                 not null,
+    gender         tinyint unsigned default '0' not null,
+    birthday       bigint                       not null,
+    followers_num  bigint unsigned  default '0' not null,
+    followings_num bigint unsigned  default '0' not null,
+    short_desc     varchar(1000)                not null,
+    created_at     bigint unsigned              not null,
+    updated_at     bigint unsigned              not null,
+    constraint uq_email
+        unique (email)
+);
+
+create table video_analysis
+(
+    id         int unsigned auto_increment
         primary key,
-    avatar         varchar(64)                 null,
-    cover          varchar(64)                 null,
-    nickname       varchar(32)                 null,
-    password       varchar(255)                null,
-    status         tinyint         default 1   not null,
-    email          varchar(128)                null,
-    gender         tinyint         default 0   not null,
-    birthday       bigint                      not null,
-    followers_num  bigint unsigned default '0' not null,
-    followings_num bigint unsigned default '0' not null,
-    short_desc     varchar(255)                null,
-    created_at     bigint unsigned             not null,
-    updated_at     bigint unsigned             not null
+    type       varchar(32)     not null,
+    `key`      varchar(32)     not null,
+    score      int             not null,
+    expand     varchar(1024)   null,
+    created_at bigint unsigned not null
 );
 
+create index video_analysis_key_index
+    on video_analysis (`key`);
+
 
 INSERT INTO video_analysis (type, `key`, score) VALUES ('tag', '莞儿', 80);
 INSERT INTO video_analysis (type, `key`, score) VALUES ('tag', '莞儿睡不醒', 100);