diff --git a/async_sqlite_db.py b/async_sqlite_db.py
new file mode 100644
index 0000000..d9409bd
--- /dev/null
+++ b/async_sqlite_db.py
@@ -0,0 +1,111 @@
+# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：  
+# 1. 不得用于任何商业用途。  
+# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。  
+# 3. 不得进行大规模爬取或对平台造成运营干扰。  
+# 4. 应合理控制请求频率，避免给目标平台带来不必要的负担。   
+# 5. 不得用于任何非法或不当的用途。
+#   
+# 详细许可条款请参阅项目根目录下的LICENSE文件。  
+# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。  
+
+
+# -*- coding: utf-8 -*-
+# @Author  : relakkes@gmail.com
+# @Time    : 2024/4/6 14:21
+# @Desc    : 异步SQLite的增删改查封装
+from typing import Any, Dict, List, Union
+
+import aiosqlite
+
+
+class AsyncSqliteDB:
+    def __init__(self, db_path: str) -> None:
+        self.__db_path = db_path
+
+    async def query(self, sql: str, *args: Union[str, int]) -> List[Dict[str, Any]]:
+        """
+        从给定的 SQL 中查询记录，返回的是一个列表
+        :param sql: 查询的sql
+        :param args: sql中传递动态参数列表
+        :return:
+        """
+        async with aiosqlite.connect(self.__db_path) as conn:
+            conn.row_factory = aiosqlite.Row
+            async with conn.execute(sql, args) as cursor:
+                rows = await cursor.fetchall()
+                return [dict(row) for row in rows] if rows else []
+
+    async def get_first(self, sql: str, *args: Union[str, int]) -> Union[Dict[str, Any], None]:
+        """
+        从给定的 SQL 中查询记录，返回的是符合条件的第一个结果
+        :param sql: 查询的sql
+        :param args:sql中传递动态参数列表
+        :return:
+        """
+        async with aiosqlite.connect(self.__db_path) as conn:
+            conn.row_factory = aiosqlite.Row
+            async with conn.execute(sql, args) as cursor:
+                row = await cursor.fetchone()
+                return dict(row) if row else None
+
+    async def item_to_table(self, table_name: str, item: Dict[str, Any]) -> int:
+        """
+        表中插入数据
+        :param table_name: 表名
+        :param item: 一条记录的字典信息
+        :return:
+        """
+        fields = list(item.keys())
+        values = list(item.values())
+        fieldstr = ','.join(fields)
+        valstr = ','.join(['?'] * len(item))
+        sql = f"INSERT INTO {table_name} ({fieldstr}) VALUES({valstr})"
+        async with aiosqlite.connect(self.__db_path) as conn:
+            async with conn.execute(sql, values) as cursor:
+                await conn.commit()
+                return cursor.lastrowid
+
+    async def update_table(self, table_name: str, updates: Dict[str, Any], field_where: str,
+                           value_where: Union[str, int, float]) -> int:
+        """
+        更新指定表的记录
+        :param table_name: 表名
+        :param updates: 需要更新的字段和值的 key - value 映射
+        :param field_where: update 语句 where 条件中的字段名
+        :param value_where: update 语句 where 条件中的字段值
+        :return:
+        """
+        upsets = []
+        values = []
+        for k, v in updates.items():
+            upsets.append(f'{k}=?')
+            values.append(v)
+        upsets_str = ','.join(upsets)
+        values.append(value_where)
+        sql = f'UPDATE {table_name} SET {upsets_str} WHERE {field_where}=?'
+        async with aiosqlite.connect(self.__db_path) as conn:
+            async with conn.execute(sql, values) as cursor:
+                await conn.commit()
+                return cursor.rowcount
+
+    async def execute(self, sql: str, *args: Union[str, int]) -> int:
+        """
+        需要更新、写入等操作的 excute 执行语句
+        :param sql:
+        :param args:
+        :return:
+        """
+        async with aiosqlite.connect(self.__db_path) as conn:
+            async with conn.execute(sql, args) as cursor:
+                await conn.commit()
+                return cursor.rowcount
+
+    async def executescript(self, sql_script: str) -> None:
+        """
+        执行SQL脚本，用于初始化数据库表结构
+        :param sql_script: SQL脚本内容
+        :return:
+        """
+        async with aiosqlite.connect(self.__db_path) as conn:
+            await conn.executescript(sql_script)
+            await conn.commit()
\ No newline at end of file
diff --git a/schema/sqlite_tables.db b/schema/sqlite_tables.db
new file mode 100644
index 0000000..193ec5e
Binary files /dev/null and b/schema/sqlite_tables.db differ
diff --git a/schema/sqlite_tables.sql b/schema/sqlite_tables.sql
new file mode 100644
index 0000000..dc5adb7
--- /dev/null
+++ b/schema/sqlite_tables.sql
@@ -0,0 +1,567 @@
+-- SQLite版本的MediaCrawler数据库表结构
+-- 从MySQL tables.sql转换而来，适配SQLite语法
+
+-- ----------------------------
+-- Table structure for bilibili_video
+-- ----------------------------
+DROP TABLE IF EXISTS bilibili_video;
+CREATE TABLE bilibili_video (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    video_id TEXT NOT NULL,
+    video_type TEXT NOT NULL,
+    title TEXT DEFAULT NULL,
+    desc TEXT,
+    create_time INTEGER NOT NULL,
+    liked_count TEXT DEFAULT NULL,
+    disliked_count TEXT DEFAULT NULL,
+    video_play_count TEXT DEFAULT NULL,
+    video_favorite_count TEXT DEFAULT NULL,
+    video_share_count TEXT DEFAULT NULL,
+    video_coin_count TEXT DEFAULT NULL,
+    video_danmaku TEXT DEFAULT NULL,
+    video_comment TEXT DEFAULT NULL,
+    video_url TEXT DEFAULT NULL,
+    video_cover_url TEXT DEFAULT NULL,
+    source_keyword TEXT DEFAULT ''
+);
+
+CREATE INDEX idx_bilibili_vi_video_i_31c36e ON bilibili_video(video_id);
+CREATE INDEX idx_bilibili_vi_create__73e0ec ON bilibili_video(create_time);
+
+-- ----------------------------
+-- Table structure for bilibili_video_comment
+-- ----------------------------
+DROP TABLE IF EXISTS bilibili_video_comment;
+CREATE TABLE bilibili_video_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    sex TEXT DEFAULT NULL,
+    sign TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    comment_id TEXT NOT NULL,
+    video_id TEXT NOT NULL,
+    content TEXT,
+    create_time INTEGER NOT NULL,
+    sub_comment_count TEXT NOT NULL,
+    parent_comment_id TEXT DEFAULT NULL,
+    like_count TEXT NOT NULL DEFAULT '0'
+);
+
+CREATE INDEX idx_bilibili_vi_comment_41c34e ON bilibili_video_comment(comment_id);
+CREATE INDEX idx_bilibili_vi_video_i_f22873 ON bilibili_video_comment(video_id);
+
+-- ----------------------------
+-- Table structure for bilibili_up_info
+-- ----------------------------
+DROP TABLE IF EXISTS bilibili_up_info;
+CREATE TABLE bilibili_up_info (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    sex TEXT DEFAULT NULL,
+    sign TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    total_fans INTEGER DEFAULT NULL,
+    total_liked INTEGER DEFAULT NULL,
+    user_rank INTEGER DEFAULT NULL,
+    is_official INTEGER DEFAULT NULL
+);
+
+CREATE INDEX idx_bilibili_vi_user_123456 ON bilibili_up_info(user_id);
+
+-- ----------------------------
+-- Table structure for bilibili_contact_info
+-- ----------------------------
+DROP TABLE IF EXISTS bilibili_contact_info;
+CREATE TABLE bilibili_contact_info (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    up_id TEXT DEFAULT NULL,
+    fan_id TEXT DEFAULT NULL,
+    up_name TEXT DEFAULT NULL,
+    fan_name TEXT DEFAULT NULL,
+    up_sign TEXT DEFAULT NULL,
+    fan_sign TEXT DEFAULT NULL,
+    up_avatar TEXT DEFAULT NULL,
+    fan_avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE INDEX idx_bilibili_contact_info_up_id ON bilibili_contact_info(up_id);
+CREATE INDEX idx_bilibili_contact_info_fan_id ON bilibili_contact_info(fan_id);
+
+-- ----------------------------
+-- Table structure for bilibili_up_dynamic
+-- ----------------------------
+DROP TABLE IF EXISTS bilibili_up_dynamic;
+CREATE TABLE bilibili_up_dynamic (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    dynamic_id TEXT DEFAULT NULL,
+    user_id TEXT DEFAULT NULL,
+    user_name TEXT DEFAULT NULL,
+    text TEXT DEFAULT NULL,
+    type TEXT DEFAULT NULL,
+    pub_ts INTEGER DEFAULT NULL,
+    total_comments INTEGER DEFAULT NULL,
+    total_forwards INTEGER DEFAULT NULL,
+    total_liked INTEGER DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE INDEX idx_bilibili_up_dynamic_dynamic_id ON bilibili_up_dynamic(dynamic_id);
+
+-- ----------------------------
+-- Table structure for douyin_aweme
+-- ----------------------------
+DROP TABLE IF EXISTS douyin_aweme;
+CREATE TABLE douyin_aweme (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    sec_uid TEXT DEFAULT NULL,
+    short_user_id TEXT DEFAULT NULL,
+    user_unique_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    user_signature TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    aweme_id TEXT NOT NULL,
+    aweme_type TEXT NOT NULL,
+    title TEXT DEFAULT NULL,
+    desc TEXT,
+    create_time INTEGER NOT NULL,
+    liked_count TEXT DEFAULT NULL,
+    comment_count TEXT DEFAULT NULL,
+    share_count TEXT DEFAULT NULL,
+    collected_count TEXT DEFAULT NULL,
+    aweme_url TEXT DEFAULT NULL,
+    cover_url TEXT DEFAULT NULL,
+    video_download_url TEXT DEFAULT NULL,
+    source_keyword TEXT DEFAULT ''
+);
+
+CREATE INDEX idx_douyin_awem_aweme_i_6f7bc6 ON douyin_aweme(aweme_id);
+CREATE INDEX idx_douyin_awem_create__299dfe ON douyin_aweme(create_time);
+
+-- ----------------------------
+-- Table structure for douyin_aweme_comment
+-- ----------------------------
+DROP TABLE IF EXISTS douyin_aweme_comment;
+CREATE TABLE douyin_aweme_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    sec_uid TEXT DEFAULT NULL,
+    short_user_id TEXT DEFAULT NULL,
+    user_unique_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    user_signature TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    comment_id TEXT NOT NULL,
+    aweme_id TEXT NOT NULL,
+    content TEXT,
+    create_time INTEGER NOT NULL,
+    sub_comment_count TEXT NOT NULL,
+    parent_comment_id TEXT DEFAULT NULL,
+    like_count TEXT NOT NULL DEFAULT '0',
+    pictures TEXT NOT NULL DEFAULT ''
+);
+
+CREATE INDEX idx_douyin_awem_comment_fcd7e4 ON douyin_aweme_comment(comment_id);
+CREATE INDEX idx_douyin_awem_aweme_i_c50049 ON douyin_aweme_comment(aweme_id);
+
+-- ----------------------------
+-- Table structure for dy_creator
+-- ----------------------------
+DROP TABLE IF EXISTS dy_creator;
+CREATE TABLE dy_creator (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    desc TEXT,
+    gender TEXT DEFAULT NULL,
+    follows TEXT DEFAULT NULL,
+    fans TEXT DEFAULT NULL,
+    interaction TEXT DEFAULT NULL,
+    videos_count TEXT DEFAULT NULL
+);
+
+-- ----------------------------
+-- Table structure for kuaishou_video
+-- ----------------------------
+DROP TABLE IF EXISTS kuaishou_video;
+CREATE TABLE kuaishou_video (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    video_id TEXT NOT NULL,
+    video_type TEXT NOT NULL,
+    title TEXT DEFAULT NULL,
+    desc TEXT,
+    create_time INTEGER NOT NULL,
+    liked_count TEXT DEFAULT NULL,
+    viewd_count TEXT DEFAULT NULL,
+    video_url TEXT DEFAULT NULL,
+    video_cover_url TEXT DEFAULT NULL,
+    video_play_url TEXT DEFAULT NULL,
+    source_keyword TEXT DEFAULT ''
+);
+
+CREATE INDEX idx_kuaishou_vi_video_i_c5c6a6 ON kuaishou_video(video_id);
+CREATE INDEX idx_kuaishou_vi_create__a10dee ON kuaishou_video(create_time);
+
+-- ----------------------------
+-- Table structure for kuaishou_video_comment
+-- ----------------------------
+DROP TABLE IF EXISTS kuaishou_video_comment;
+CREATE TABLE kuaishou_video_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    comment_id TEXT NOT NULL,
+    video_id TEXT NOT NULL,
+    content TEXT,
+    create_time INTEGER NOT NULL,
+    sub_comment_count TEXT NOT NULL
+);
+
+CREATE INDEX idx_kuaishou_vi_comment_ed48fa ON kuaishou_video_comment(comment_id);
+CREATE INDEX idx_kuaishou_vi_video_i_e50914 ON kuaishou_video_comment(video_id);
+
+-- ----------------------------
+-- Table structure for weibo_note
+-- ----------------------------
+DROP TABLE IF EXISTS weibo_note;
+CREATE TABLE weibo_note (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    gender TEXT DEFAULT NULL,
+    profile_url TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT '',
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    note_id TEXT NOT NULL,
+    content TEXT,
+    create_time INTEGER NOT NULL,
+    create_date_time TEXT NOT NULL,
+    liked_count TEXT DEFAULT NULL,
+    comments_count TEXT DEFAULT NULL,
+    shared_count TEXT DEFAULT NULL,
+    note_url TEXT DEFAULT NULL,
+    source_keyword TEXT DEFAULT ''
+);
+
+CREATE INDEX idx_weibo_note_note_id_f95b1a ON weibo_note(note_id);
+CREATE INDEX idx_weibo_note_create__692709 ON weibo_note(create_time);
+CREATE INDEX idx_weibo_note_create__d05ed2 ON weibo_note(create_date_time);
+
+-- ----------------------------
+-- Table structure for weibo_note_comment
+-- ----------------------------
+DROP TABLE IF EXISTS weibo_note_comment;
+CREATE TABLE weibo_note_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT DEFAULT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    gender TEXT DEFAULT NULL,
+    profile_url TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT '',
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    comment_id TEXT NOT NULL,
+    note_id TEXT NOT NULL,
+    content TEXT,
+    create_time INTEGER NOT NULL,
+    create_date_time TEXT NOT NULL,
+    comment_like_count TEXT NOT NULL,
+    sub_comment_count TEXT NOT NULL,
+    parent_comment_id TEXT DEFAULT NULL
+);
+
+CREATE INDEX idx_weibo_note__comment_c7611c ON weibo_note_comment(comment_id);
+CREATE INDEX idx_weibo_note__note_id_24f108 ON weibo_note_comment(note_id);
+CREATE INDEX idx_weibo_note__create__667fe3 ON weibo_note_comment(create_date_time);
+
+-- ----------------------------
+-- Table structure for weibo_creator
+-- ----------------------------
+DROP TABLE IF EXISTS weibo_creator;
+CREATE TABLE weibo_creator (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    desc TEXT,
+    gender TEXT DEFAULT NULL,
+    follows TEXT DEFAULT NULL,
+    fans TEXT DEFAULT NULL,
+    tag_list TEXT
+);
+
+-- ----------------------------
+-- Table structure for xhs_creator
+-- ----------------------------
+DROP TABLE IF EXISTS xhs_creator;
+CREATE TABLE xhs_creator (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    desc TEXT,
+    gender TEXT DEFAULT NULL,
+    follows TEXT DEFAULT NULL,
+    fans TEXT DEFAULT NULL,
+    interaction TEXT DEFAULT NULL,
+    tag_list TEXT
+);
+
+-- ----------------------------
+-- Table structure for xhs_note
+-- ----------------------------
+DROP TABLE IF EXISTS xhs_note;
+CREATE TABLE xhs_note (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    note_id TEXT NOT NULL,
+    type TEXT DEFAULT NULL,
+    title TEXT DEFAULT NULL,
+    desc TEXT,
+    video_url TEXT,
+    time INTEGER NOT NULL,
+    last_update_time INTEGER NOT NULL,
+    liked_count TEXT DEFAULT NULL,
+    collected_count TEXT DEFAULT NULL,
+    comment_count TEXT DEFAULT NULL,
+    share_count TEXT DEFAULT NULL,
+    image_list TEXT,
+    tag_list TEXT,
+    note_url TEXT DEFAULT NULL,
+    source_keyword TEXT DEFAULT '',
+    xsec_token TEXT DEFAULT NULL
+);
+
+CREATE INDEX idx_xhs_note_note_id_209457 ON xhs_note(note_id);
+CREATE INDEX idx_xhs_note_time_eaa910 ON xhs_note(time);
+
+-- ----------------------------
+-- Table structure for xhs_note_comment
+-- ----------------------------
+DROP TABLE IF EXISTS xhs_note_comment;
+CREATE TABLE xhs_note_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    comment_id TEXT NOT NULL,
+    create_time INTEGER NOT NULL,
+    note_id TEXT NOT NULL,
+    content TEXT NOT NULL,
+    sub_comment_count INTEGER NOT NULL,
+    pictures TEXT DEFAULT NULL,
+    parent_comment_id TEXT DEFAULT NULL,
+    like_count TEXT DEFAULT NULL
+);
+
+CREATE INDEX idx_xhs_note_co_comment_8e8349 ON xhs_note_comment(comment_id);
+CREATE INDEX idx_xhs_note_co_create__204f8d ON xhs_note_comment(create_time);
+
+-- ----------------------------
+-- Table structure for tieba_note
+-- ----------------------------
+DROP TABLE IF EXISTS tieba_note;
+CREATE TABLE tieba_note (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    note_id TEXT NOT NULL,
+    title TEXT NOT NULL,
+    desc TEXT,
+    note_url TEXT NOT NULL,
+    publish_time TEXT NOT NULL,
+    user_link TEXT DEFAULT '',
+    user_nickname TEXT DEFAULT '',
+    user_avatar TEXT DEFAULT '',
+    tieba_id TEXT DEFAULT '',
+    tieba_name TEXT NOT NULL,
+    tieba_link TEXT NOT NULL,
+    total_replay_num INTEGER DEFAULT 0,
+    total_replay_page INTEGER DEFAULT 0,
+    ip_location TEXT DEFAULT '',
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    source_keyword TEXT DEFAULT ''
+);
+
+CREATE INDEX idx_tieba_note_note_id ON tieba_note(note_id);
+CREATE INDEX idx_tieba_note_publish_time ON tieba_note(publish_time);
+
+-- ----------------------------
+-- Table structure for tieba_comment
+-- ----------------------------
+DROP TABLE IF EXISTS tieba_comment;
+CREATE TABLE tieba_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    comment_id TEXT NOT NULL,
+    parent_comment_id TEXT DEFAULT '',
+    content TEXT NOT NULL,
+    user_link TEXT DEFAULT '',
+    user_nickname TEXT DEFAULT '',
+    user_avatar TEXT DEFAULT '',
+    tieba_id TEXT DEFAULT '',
+    tieba_name TEXT NOT NULL,
+    tieba_link TEXT NOT NULL,
+    publish_time TEXT DEFAULT '',
+    ip_location TEXT DEFAULT '',
+    sub_comment_count INTEGER DEFAULT 0,
+    note_id TEXT NOT NULL,
+    note_url TEXT NOT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE INDEX idx_tieba_comment_comment_id ON tieba_comment(comment_id);
+CREATE INDEX idx_tieba_comment_note_id ON tieba_comment(note_id);
+CREATE INDEX idx_tieba_comment_publish_time ON tieba_comment(publish_time);
+
+-- ----------------------------
+-- Table structure for tieba_creator
+-- ----------------------------
+DROP TABLE IF EXISTS tieba_creator;
+CREATE TABLE tieba_creator (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL,
+    user_name TEXT NOT NULL,
+    nickname TEXT DEFAULT NULL,
+    avatar TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL,
+    gender TEXT DEFAULT NULL,
+    follows TEXT DEFAULT NULL,
+    fans TEXT DEFAULT NULL,
+    registration_duration TEXT DEFAULT NULL
+);
+
+-- ----------------------------
+-- Table structure for zhihu_content
+-- ----------------------------
+DROP TABLE IF EXISTS zhihu_content;
+CREATE TABLE zhihu_content (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    content_id TEXT NOT NULL,
+    content_type TEXT NOT NULL,
+    content_text TEXT,
+    content_url TEXT NOT NULL,
+    question_id TEXT DEFAULT NULL,
+    title TEXT NOT NULL,
+    desc TEXT,
+    created_time TEXT NOT NULL,
+    updated_time TEXT NOT NULL,
+    voteup_count INTEGER NOT NULL DEFAULT 0,
+    comment_count INTEGER NOT NULL DEFAULT 0,
+    source_keyword TEXT DEFAULT NULL,
+    user_id TEXT NOT NULL,
+    user_link TEXT NOT NULL,
+    user_nickname TEXT NOT NULL,
+    user_avatar TEXT NOT NULL,
+    user_url_token TEXT NOT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE INDEX idx_zhihu_content_content_id ON zhihu_content(content_id);
+CREATE INDEX idx_zhihu_content_created_time ON zhihu_content(created_time);
+
+-- ----------------------------
+-- Table structure for zhihu_comment
+-- ----------------------------
+DROP TABLE IF EXISTS zhihu_comment;
+CREATE TABLE zhihu_comment (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    comment_id TEXT NOT NULL,
+    parent_comment_id TEXT DEFAULT NULL,
+    content TEXT NOT NULL,
+    publish_time TEXT NOT NULL,
+    ip_location TEXT DEFAULT NULL,
+    sub_comment_count INTEGER NOT NULL DEFAULT 0,
+    like_count INTEGER NOT NULL DEFAULT 0,
+    dislike_count INTEGER NOT NULL DEFAULT 0,
+    content_id TEXT NOT NULL,
+    content_type TEXT NOT NULL,
+    user_id TEXT NOT NULL,
+    user_link TEXT NOT NULL,
+    user_nickname TEXT NOT NULL,
+    user_avatar TEXT NOT NULL,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE INDEX idx_zhihu_comment_comment_id ON zhihu_comment(comment_id);
+CREATE INDEX idx_zhihu_comment_content_id ON zhihu_comment(content_id);
+CREATE INDEX idx_zhihu_comment_publish_time ON zhihu_comment(publish_time);
+
+-- ----------------------------
+-- Table structure for zhihu_creator
+-- ----------------------------
+DROP TABLE IF EXISTS zhihu_creator;
+CREATE TABLE zhihu_creator (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL UNIQUE,
+    user_link TEXT NOT NULL,
+    user_nickname TEXT NOT NULL,
+    user_avatar TEXT NOT NULL,
+    url_token TEXT NOT NULL,
+    gender TEXT DEFAULT NULL,
+    ip_location TEXT DEFAULT NULL,
+    follows INTEGER NOT NULL DEFAULT 0,
+    fans INTEGER NOT NULL DEFAULT 0,
+    anwser_count INTEGER NOT NULL DEFAULT 0,
+    video_count INTEGER NOT NULL DEFAULT 0,
+    question_count INTEGER NOT NULL DEFAULT 0,
+    article_count INTEGER NOT NULL DEFAULT 0,
+    column_count INTEGER NOT NULL DEFAULT 0,
+    get_voteup_count INTEGER NOT NULL DEFAULT 0,
+    add_ts INTEGER NOT NULL,
+    last_modify_ts INTEGER NOT NULL
+);
+
+CREATE UNIQUE INDEX idx_zhihu_creator_user_id ON zhihu_creator(user_id);
\ No newline at end of file