diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..ec89970
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,46 @@
+# MySQL Configuration
+MYSQL_DB_PWD=123456
+MYSQL_DB_USER=root
+MYSQL_DB_HOST=localhost
+MYSQL_DB_PORT=3306
+MYSQL_DB_NAME=media_crawler
+
+# Redis Configuration
+REDIS_DB_HOST=127.0.0.1
+REDIS_DB_PWD=123456
+REDIS_DB_PORT=6379
+REDIS_DB_NUM=0
+
+# MongoDB Configuration
+MONGODB_HOST=localhost
+MONGODB_PORT=27017
+MONGODB_USER=
+MONGODB_PWD=
+MONGODB_DB_NAME=media_crawler
+
+# PostgreSQL Configuration
+POSTGRES_DB_PWD=123456
+POSTGRES_DB_USER=postgres
+POSTGRES_DB_HOST=localhost
+POSTGRES_DB_PORT=5432
+POSTGRES_DB_NAME=media_crawler
+
+# Proxy Configuration (Wandou HTTP)
+# your_wandou_http_app_key
+WANDOU_APP_KEY=
+
+# Proxy Configuration (Kuaidaili)
+# your_kuaidaili_secret_id
+KDL_SECERT_ID=
+# your_kuaidaili_signature
+KDL_SIGNATURE=
+# your_kuaidaili_username
+KDL_USER_NAME=
+# your_kuaidaili_password
+KDL_USER_PWD=
+
+# Proxy Configuration (Jisu HTTP)
+# Get JiSu HTTP IP extraction key value
+jisu_key=
+# Get JiSu HTTP IP extraction encryption signature
+jisu_crypto=
diff --git a/api/services/crawler_manager.py b/api/services/crawler_manager.py
index 2d0aad5..f0fb228 100644
--- a/api/services/crawler_manager.py
+++ b/api/services/crawler_manager.py
@@ -124,6 +124,7 @@ class CrawlerManager:
                     stdout=subprocess.PIPE,
                     stderr=subprocess.STDOUT,
                     text=True,
+                    encoding='utf-8',
                     bufsize=1,
                     cwd=str(self._project_root),
                     env={**os.environ, "PYTHONUNBUFFERED": "1"}
diff --git a/cmd_arg/arg.py b/cmd_arg/arg.py
index 2517c24..0ae0a21 100644
--- a/cmd_arg/arg.py
+++ b/cmd_arg/arg.py
@@ -73,6 +73,7 @@ class SaveDataOptionEnum(str, Enum):
     SQLITE = "sqlite"
     MONGODB = "mongodb"
     EXCEL = "excel"
+    POSTGRES = "postgres"
 
 
 class InitDbOptionEnum(str, Enum):
@@ -80,6 +81,7 @@ class InitDbOptionEnum(str, Enum):
 
     SQLITE = "sqlite"
     MYSQL = "mysql"
+    POSTGRES = "postgres"
 
 
 def _to_bool(value: bool | str) -> bool:
@@ -210,7 +212,7 @@ async def parse_cmd(argv: Optional[Sequence[str]] = None):
             SaveDataOptionEnum,
             typer.Option(
                 "--save_data_option",
-                help="Data save option (csv=CSV file | db=MySQL database | json=JSON file | sqlite=SQLite database | mongodb=MongoDB database | excel=Excel file)",
+                help="Data save option (csv=CSV file | db=MySQL database | json=JSON file | sqlite=SQLite database | mongodb=MongoDB database | excel=Excel file | postgres=PostgreSQL database)",
                 rich_help_panel="Storage Configuration",
             ),
         ] = _coerce_enum(
@@ -220,7 +222,7 @@ async def parse_cmd(argv: Optional[Sequence[str]] = None):
             Optional[InitDbOptionEnum],
             typer.Option(
                 "--init_db",
-                help="Initialize database table structure (sqlite | mysql)",
+                help="Initialize database table structure (sqlite | mysql | postgres)",
                 rich_help_panel="Storage Configuration",
             ),
         ] = None,
diff --git a/config/base_config.py b/config/base_config.py
index ff430ff..961d216 100644
--- a/config/base_config.py
+++ b/config/base_config.py
@@ -70,8 +70,8 @@ BROWSER_LAUNCH_TIMEOUT = 60
 # 设置为False可以保持浏览器运行，便于调试
 AUTO_CLOSE_BROWSER = True
 
-# 数据保存类型选项配置,支持五种类型：csv、db、json、sqlite、excel, 最好保存到DB，有排重的功能。
-SAVE_DATA_OPTION = "json"  # csv or db or json or sqlite or excel
+# 数据保存类型选项配置,支持六种类型：csv、db、json、sqlite、excel、postgres, 最好保存到DB，有排重的功能。
+SAVE_DATA_OPTION = "json"  # csv or db or json or sqlite or excel or postgres
 
 # 用户浏览器缓存的浏览器文件配置
 USER_DATA_DIR = "%s_user_data_dir"  # %s will be replaced by platform name
diff --git a/config/db_config.py b/config/db_config.py
index 052b000..ca30812 100644
--- a/config/db_config.py
+++ b/config/db_config.py
@@ -37,7 +37,7 @@ mysql_db_config = {
 
 
 # redis config
-REDIS_DB_HOST = "127.0.0.1"  # your redis host
+REDIS_DB_HOST = os.getenv("REDIS_DB_HOST", "127.0.0.1")  # your redis host
 REDIS_DB_PWD = os.getenv("REDIS_DB_PWD", "123456")  # your redis password
 REDIS_DB_PORT = os.getenv("REDIS_DB_PORT", 6379)  # your redis port
 REDIS_DB_NUM = os.getenv("REDIS_DB_NUM", 0)  # your redis db num
@@ -67,3 +67,18 @@ mongodb_config = {
     "password": MONGODB_PWD,
     "db_name": MONGODB_DB_NAME,
 }
+
+# postgres config
+POSTGRES_DB_PWD = os.getenv("POSTGRES_DB_PWD", "123456")
+POSTGRES_DB_USER = os.getenv("POSTGRES_DB_USER", "postgres")
+POSTGRES_DB_HOST = os.getenv("POSTGRES_DB_HOST", "localhost")
+POSTGRES_DB_PORT = os.getenv("POSTGRES_DB_PORT", 5432)
+POSTGRES_DB_NAME = os.getenv("POSTGRES_DB_NAME", "media_crawler")
+
+postgres_db_config = {
+    "user": POSTGRES_DB_USER,
+    "password": POSTGRES_DB_PWD,
+    "host": POSTGRES_DB_HOST,
+    "port": POSTGRES_DB_PORT,
+    "db_name": POSTGRES_DB_NAME,
+}
diff --git a/database/db_session.py b/database/db_session.py
index d9e9007..2a8073c 100644
--- a/database/db_session.py
+++ b/database/db_session.py
@@ -22,7 +22,7 @@ from sqlalchemy.orm import sessionmaker
 from contextlib import asynccontextmanager
 from .models import Base
 import config
-from config.db_config import mysql_db_config, sqlite_db_config
+from config.db_config import mysql_db_config, sqlite_db_config, postgres_db_config
 
 # Keep a cache of engines
 _engines = {}
@@ -36,6 +36,18 @@ async def create_database_if_not_exists(db_type: str):
         async with engine.connect() as conn:
             await conn.execute(text(f"CREATE DATABASE IF NOT EXISTS {mysql_db_config['db_name']}"))
         await engine.dispose()
+    elif db_type == "postgres":
+        # Connect to the default 'postgres' database
+        server_url = f"postgresql+asyncpg://{postgres_db_config['user']}:{postgres_db_config['password']}@{postgres_db_config['host']}:{postgres_db_config['port']}/postgres"
+        print(f"[init_db] Connecting to Postgres: host={postgres_db_config['host']}, port={postgres_db_config['port']}, user={postgres_db_config['user']}, dbname=postgres")
+        # Isolation level AUTOCOMMIT is required for CREATE DATABASE
+        engine = create_async_engine(server_url, echo=False, isolation_level="AUTOCOMMIT")
+        async with engine.connect() as conn:
+            # Check if database exists
+            result = await conn.execute(text(f"SELECT 1 FROM pg_database WHERE datname = '{postgres_db_config['db_name']}'"))
+            if not result.scalar():
+                await conn.execute(text(f"CREATE DATABASE {postgres_db_config['db_name']}"))
+        await engine.dispose()
 
 
 def get_async_engine(db_type: str = None):
@@ -52,6 +64,8 @@ def get_async_engine(db_type: str = None):
         db_url = f"sqlite+aiosqlite:///{sqlite_db_config['db_path']}"
     elif db_type == "mysql" or db_type == "db":
         db_url = f"mysql+asyncmy://{mysql_db_config['user']}:{mysql_db_config['password']}@{mysql_db_config['host']}:{mysql_db_config['port']}/{mysql_db_config['db_name']}"
+    elif db_type == "postgres":
+        db_url = f"postgresql+asyncpg://{postgres_db_config['user']}:{postgres_db_config['password']}@{postgres_db_config['host']}:{postgres_db_config['port']}/{postgres_db_config['db_name']}"
     else:
         raise ValueError(f"Unsupported database type: {db_type}")
 
diff --git a/docs/data_storage_guide.md b/docs/data_storage_guide.md
index 8dfa81f..f1accef 100644
--- a/docs/data_storage_guide.md
+++ b/docs/data_storage_guide.md
@@ -21,6 +21,9 @@ MediaCrawler 支持多种数据存储方式，您可以根据需求选择最适
   - **MySQL 数据库**：支持关系型数据库 MySQL 中保存（需要提前创建数据库）
     1. 初始化：`--init_db mysql`
     2. 数据存储：`--save_data_option db`（db 参数为兼容历史更新保留）
+  - **PostgreSQL 数据库**：支持高级关系型数据库 PostgreSQL 中保存（推荐生产环境使用）
+    1. 初始化：`--init_db postgres`
+    2. 数据存储：`--save_data_option postgres`
 
 #### 使用示例
 
@@ -41,6 +44,13 @@ uv run main.py --init_db mysql
 uv run main.py --platform xhs --lt qrcode --type search --save_data_option db
 ```
 
+```shell
+# 初始化 PostgreSQL 数据库
+uv run main.py --init_db postgres
+# 使用 PostgreSQL 存储数据
+uv run main.py --platform xhs --lt qrcode --type search --save_data_option postgres
+```
+
 ```shell
 # 使用 CSV 存储数据
 uv run main.py --platform xhs --lt qrcode --type search --save_data_option csv
diff --git a/pyproject.toml b/pyproject.toml
index 9c8bba6..6329f4c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ dependencies = [
     "pytest>=7.4.0",
     "pytest-asyncio>=0.21.0",
     "websockets>=15.0.1",
+    "asyncpg>=0.31.0",
 ]
 
 [[tool.uv.index]]
diff --git a/store/bilibili/__init__.py b/store/bilibili/__init__.py
index 06faa65..2e6cc56 100644
--- a/store/bilibili/__init__.py
+++ b/store/bilibili/__init__.py
@@ -35,6 +35,7 @@ class BiliStoreFactory:
     STORES = {
         "csv": BiliCsvStoreImplement,
         "db": BiliDbStoreImplement,
+        "postgres": BiliDbStoreImplement,
         "json": BiliJsonStoreImplement,
         "sqlite": BiliSqliteStoreImplement,
         "mongodb": BiliMongoStoreImplement,
diff --git a/store/bilibili/_store_impl.py b/store/bilibili/_store_impl.py
index 278d601..5ec8837 100644
--- a/store/bilibili/_store_impl.py
+++ b/store/bilibili/_store_impl.py
@@ -128,16 +128,23 @@ class BiliDbStoreImplement(AbstractStore):
         Args:
             content_item: content item dict
         """
-        video_id = content_item.get("video_id")
+        video_id = int(content_item.get("video_id"))
+        content_item["video_id"] = video_id
+        content_item["user_id"] = int(content_item.get("user_id", 0) or 0)
+        content_item["liked_count"] = int(content_item.get("liked_count", 0) or 0)
+        content_item["create_time"] = int(content_item.get("create_time", 0) or 0)
+        
         async with get_session() as session:
             result = await session.execute(select(BilibiliVideo).where(BilibiliVideo.video_id == video_id))
             video_detail = result.scalar_one_or_none()
 
             if not video_detail:
                 content_item["add_ts"] = utils.get_current_timestamp()
+                content_item["last_modify_ts"] = utils.get_current_timestamp()
                 new_content = BilibiliVideo(**content_item)
                 session.add(new_content)
             else:
+                content_item["last_modify_ts"] = utils.get_current_timestamp()
                 for key, value in content_item.items():
                     setattr(video_detail, key, value)
             await session.commit()
@@ -148,16 +155,25 @@ class BiliDbStoreImplement(AbstractStore):
         Args:
             comment_item: comment item dict
         """
-        comment_id = comment_item.get("comment_id")
+        comment_id = int(comment_item.get("comment_id"))
+        comment_item["comment_id"] = comment_id
+        comment_item["video_id"] = int(comment_item.get("video_id", 0) or 0)
+        comment_item["create_time"] = int(comment_item.get("create_time", 0) or 0)
+        comment_item["like_count"] = str(comment_item.get("like_count", "0"))
+        comment_item["sub_comment_count"] = str(comment_item.get("sub_comment_count", "0"))
+        comment_item["parent_comment_id"] = str(comment_item.get("parent_comment_id", "0"))
+        
         async with get_session() as session:
             result = await session.execute(select(BilibiliVideoComment).where(BilibiliVideoComment.comment_id == comment_id))
             comment_detail = result.scalar_one_or_none()
 
             if not comment_detail:
                 comment_item["add_ts"] = utils.get_current_timestamp()
+                comment_item["last_modify_ts"] = utils.get_current_timestamp()
                 new_comment = BilibiliVideoComment(**comment_item)
                 session.add(new_comment)
             else:
+                comment_item["last_modify_ts"] = utils.get_current_timestamp()
                 for key, value in comment_item.items():
                     setattr(comment_detail, key, value)
             await session.commit()
@@ -168,16 +184,24 @@ class BiliDbStoreImplement(AbstractStore):
         Args:
             creator: creator item dict
         """
-        creator_id = creator.get("user_id")
+        creator_id = int(creator.get("user_id"))
+        creator["user_id"] = creator_id
+        creator["total_fans"] = int(creator.get("total_fans", 0) or 0)
+        creator["total_liked"] = int(creator.get("total_liked", 0) or 0)
+        creator["user_rank"] = int(creator.get("user_rank", 0) or 0)
+        creator["is_official"] = int(creator.get("is_official", 0) or 0)
+
         async with get_session() as session:
             result = await session.execute(select(BilibiliUpInfo).where(BilibiliUpInfo.user_id == creator_id))
             creator_detail = result.scalar_one_or_none()
 
             if not creator_detail:
                 creator["add_ts"] = utils.get_current_timestamp()
+                creator["last_modify_ts"] = utils.get_current_timestamp()
                 new_creator = BilibiliUpInfo(**creator)
                 session.add(new_creator)
             else:
+                creator["last_modify_ts"] = utils.get_current_timestamp()
                 for key, value in creator.items():
                     setattr(creator_detail, key, value)
             await session.commit()
@@ -188,8 +212,11 @@ class BiliDbStoreImplement(AbstractStore):
         Args:
             contact_item: contact item dict
         """
-        up_id = contact_item.get("up_id")
-        fan_id = contact_item.get("fan_id")
+        up_id = int(contact_item.get("up_id"))
+        fan_id = int(contact_item.get("fan_id"))
+        contact_item["up_id"] = up_id
+        contact_item["fan_id"] = fan_id
+
         async with get_session() as session:
             result = await session.execute(
                 select(BilibiliContactInfo).where(BilibiliContactInfo.up_id == up_id, BilibiliContactInfo.fan_id == fan_id)
@@ -198,9 +225,11 @@ class BiliDbStoreImplement(AbstractStore):
 
             if not contact_detail:
                 contact_item["add_ts"] = utils.get_current_timestamp()
+                contact_item["last_modify_ts"] = utils.get_current_timestamp()
                 new_contact = BilibiliContactInfo(**contact_item)
                 session.add(new_contact)
             else:
+                contact_item["last_modify_ts"] = utils.get_current_timestamp()
                 for key, value in contact_item.items():
                     setattr(contact_detail, key, value)
             await session.commit()
@@ -211,16 +240,20 @@ class BiliDbStoreImplement(AbstractStore):
         Args:
             dynamic_item: dynamic item dict
         """
-        dynamic_id = dynamic_item.get("dynamic_id")
+        dynamic_id = int(dynamic_item.get("dynamic_id"))
+        dynamic_item["dynamic_id"] = dynamic_id
+        
         async with get_session() as session:
             result = await session.execute(select(BilibiliUpDynamic).where(BilibiliUpDynamic.dynamic_id == dynamic_id))
             dynamic_detail = result.scalar_one_or_none()
 
             if not dynamic_detail:
                 dynamic_item["add_ts"] = utils.get_current_timestamp()
+                dynamic_item["last_modify_ts"] = utils.get_current_timestamp()
                 new_dynamic = BilibiliUpDynamic(**dynamic_item)
                 session.add(new_dynamic)
             else:
+                dynamic_item["last_modify_ts"] = utils.get_current_timestamp()
                 for key, value in dynamic_item.items():
                     setattr(dynamic_detail, key, value)
             await session.commit()
diff --git a/store/douyin/__init__.py b/store/douyin/__init__.py
index ef001c3..cb8f774 100644
--- a/store/douyin/__init__.py
+++ b/store/douyin/__init__.py
@@ -34,6 +34,7 @@ class DouyinStoreFactory:
     STORES = {
         "csv": DouyinCsvStoreImplement,
         "db": DouyinDbStoreImplement,
+        "postgres": DouyinDbStoreImplement,
         "json": DouyinJsonStoreImplement,
         "sqlite": DouyinSqliteStoreImplement,
         "mongodb": DouyinMongoStoreImplement,
diff --git a/store/douyin/_store_impl.py b/store/douyin/_store_impl.py
index 71b8584..19022b0 100644
--- a/store/douyin/_store_impl.py
+++ b/store/douyin/_store_impl.py
@@ -97,7 +97,7 @@ class DouyinDbStoreImplement(AbstractStore):
         Args:
             content_item: content item dict
         """
-        aweme_id = content_item.get("aweme_id")
+        aweme_id = int(content_item.get("aweme_id"))
         async with get_session() as session:
             result = await session.execute(select(DouyinAweme).where(DouyinAweme.aweme_id == aweme_id))
             aweme_detail = result.scalar_one_or_none()
@@ -118,7 +118,7 @@ class DouyinDbStoreImplement(AbstractStore):
         Args:
             comment_item: comment item dict
         """
-        comment_id = comment_item.get("comment_id")
+        comment_id = int(comment_item.get("comment_id"))
         async with get_session() as session:
             result = await session.execute(select(DouyinAwemeComment).where(DouyinAwemeComment.comment_id == comment_id))
             comment_detail = result.scalar_one_or_none()
diff --git a/store/kuaishou/__init__.py b/store/kuaishou/__init__.py
index 3c6ef48..dc2f111 100644
--- a/store/kuaishou/__init__.py
+++ b/store/kuaishou/__init__.py
@@ -34,6 +34,7 @@ class KuaishouStoreFactory:
     STORES = {
         "csv": KuaishouCsvStoreImplement,
         "db": KuaishouDbStoreImplement,
+        "postgres": KuaishouDbStoreImplement,
         "json": KuaishouJsonStoreImplement,
         "sqlite": KuaishouSqliteStoreImplement,
         "mongodb": KuaishouMongoStoreImplement,
diff --git a/store/kuaishou/_store_impl.py b/store/kuaishou/_store_impl.py
index 22fb1c3..9b5209b 100644
--- a/store/kuaishou/_store_impl.py
+++ b/store/kuaishou/_store_impl.py
@@ -109,7 +109,8 @@ class KuaishouDbStoreImplement(AbstractStore):
                 session.add(new_content)
             else:
                 for key, value in content_item.items():
-                    setattr(video_detail, key, value)
+                    if hasattr(video_detail, key):
+                        setattr(video_detail, key, value)
             await session.commit()
 
     async def store_comment(self, comment_item: Dict):
@@ -130,7 +131,8 @@ class KuaishouDbStoreImplement(AbstractStore):
                 session.add(new_comment)
             else:
                 for key, value in comment_item.items():
-                    setattr(comment_detail, key, value)
+                    if hasattr(comment_detail, key):
+                        setattr(comment_detail, key, value)
             await session.commit()
 
 
diff --git a/store/tieba/__init__.py b/store/tieba/__init__.py
index 349baef..7850287 100644
--- a/store/tieba/__init__.py
+++ b/store/tieba/__init__.py
@@ -31,6 +31,7 @@ class TieBaStoreFactory:
     STORES = {
         "csv": TieBaCsvStoreImplement,
         "db": TieBaDbStoreImplement,
+        "postgres": TieBaDbStoreImplement,
         "json": TieBaJsonStoreImplement,
         "sqlite": TieBaSqliteStoreImplement,
         "mongodb": TieBaMongoStoreImplement,
diff --git a/store/weibo/__init__.py b/store/weibo/__init__.py
index 90efb09..1e09d67 100644
--- a/store/weibo/__init__.py
+++ b/store/weibo/__init__.py
@@ -35,6 +35,7 @@ class WeibostoreFactory:
     STORES = {
         "csv": WeiboCsvStoreImplement,
         "db": WeiboDbStoreImplement,
+        "postgres": WeiboDbStoreImplement,
         "json": WeiboJsonStoreImplement,
         "sqlite": WeiboSqliteStoreImplement,
         "mongodb": WeiboMongoStoreImplement,
diff --git a/store/weibo/_store_impl.py b/store/weibo/_store_impl.py
index bbda929..44a0754 100644
--- a/store/weibo/_store_impl.py
+++ b/store/weibo/_store_impl.py
@@ -108,7 +108,8 @@ class WeiboDbStoreImplement(AbstractStore):
         Returns:
 
         """
-        note_id = content_item.get("note_id")
+        note_id = int(content_item.get("note_id"))
+        content_item["note_id"] = note_id
         async with get_session() as session:
             stmt = select(WeiboNote).where(WeiboNote.note_id == note_id)
             res = await session.execute(stmt)
@@ -134,7 +135,14 @@ class WeiboDbStoreImplement(AbstractStore):
         Returns:
 
         """
-        comment_id = comment_item.get("comment_id")
+        comment_id = int(comment_item.get("comment_id"))
+        comment_item["comment_id"] = comment_id
+        comment_item["note_id"] = int(comment_item.get("note_id", 0) or 0)
+        comment_item["create_time"] = int(comment_item.get("create_time", 0) or 0)
+        comment_item["comment_like_count"] = str(comment_item.get("comment_like_count", "0"))
+        comment_item["sub_comment_count"] = str(comment_item.get("sub_comment_count", "0"))
+        comment_item["parent_comment_id"] = str(comment_item.get("parent_comment_id", "0"))
+
         async with get_session() as session:
             stmt = select(WeiboNoteComment).where(WeiboNoteComment.comment_id == comment_id)
             res = await session.execute(stmt)
@@ -160,7 +168,8 @@ class WeiboDbStoreImplement(AbstractStore):
         Returns:
 
         """
-        user_id = creator.get("user_id")
+        user_id = int(creator.get("user_id"))
+        creator["user_id"] = user_id
         async with get_session() as session:
             stmt = select(WeiboCreator).where(WeiboCreator.user_id == user_id)
             res = await session.execute(stmt)
diff --git a/store/xhs/__init__.py b/store/xhs/__init__.py
index 08e9850..32f4eaf 100644
--- a/store/xhs/__init__.py
+++ b/store/xhs/__init__.py
@@ -34,6 +34,7 @@ class XhsStoreFactory:
     STORES = {
         "csv": XhsCsvStoreImplement,
         "db": XhsDbStoreImplement,
+        "postgres": XhsDbStoreImplement,
         "json": XhsJsonStoreImplement,
         "sqlite": XhsSqliteStoreImplement,
         "mongodb": XhsMongoStoreImplement,
diff --git a/store/xhs/_store_impl.py b/store/xhs/_store_impl.py
index 3b8d6d1..5eac9af 100644
--- a/store/xhs/_store_impl.py
+++ b/store/xhs/_store_impl.py
@@ -189,9 +189,9 @@ class XhsDbStoreImplement(AbstractStore):
             create_time=comment_item.get("create_time"),
             note_id=comment_item.get("note_id"),
             content=comment_item.get("content"),
-            sub_comment_count=comment_item.get("sub_comment_count"),
+            sub_comment_count=int(comment_item.get("sub_comment_count", 0) or 0),
             pictures=json.dumps(comment_item.get("pictures")),
-            parent_comment_id=comment_item.get("parent_comment_id"),
+            parent_comment_id=str(comment_item.get("parent_comment_id", "")),
             like_count=str(comment_item.get("like_count"))
         )
         session.add(comment)
@@ -202,7 +202,7 @@ class XhsDbStoreImplement(AbstractStore):
         update_data = {
             "last_modify_ts": last_modify_ts,
             "like_count": str(comment_item.get("like_count")),
-            "sub_comment_count": comment_item.get("sub_comment_count"),
+            "sub_comment_count": int(comment_item.get("sub_comment_count", 0) or 0),
         }
         stmt = update(XhsNoteComment).where(XhsNoteComment.comment_id == comment_id).values(**update_data)
         await session.execute(stmt)
diff --git a/store/zhihu/__init__.py b/store/zhihu/__init__.py
index f4a0acc..593085d 100644
--- a/store/zhihu/__init__.py
+++ b/store/zhihu/__init__.py
@@ -38,6 +38,7 @@ class ZhihuStoreFactory:
     STORES = {
         "csv": ZhihuCsvStoreImplement,
         "db": ZhihuDbStoreImplement,
+        "postgres": ZhihuDbStoreImplement,
         "json": ZhihuJsonStoreImplement,
         "sqlite": ZhihuSqliteStoreImplement,
         "mongodb": ZhihuMongoStoreImplement,
diff --git a/store/zhihu/_store_impl.py b/store/zhihu/_store_impl.py
index 2b672ce..cd01552 100644
--- a/store/zhihu/_store_impl.py
+++ b/store/zhihu/_store_impl.py
@@ -110,7 +110,8 @@ class ZhihuDbStoreImplement(AbstractStore):
             existing_content = result.scalars().first()
             if existing_content:
                 for key, value in content_item.items():
-                    setattr(existing_content, key, value)
+                    if hasattr(existing_content, key):
+                        setattr(existing_content, key, value)
             else:
                 new_content = ZhihuContent(**content_item)
                 session.add(new_content)
@@ -129,7 +130,8 @@ class ZhihuDbStoreImplement(AbstractStore):
             existing_comment = result.scalars().first()
             if existing_comment:
                 for key, value in comment_item.items():
-                    setattr(existing_comment, key, value)
+                    if hasattr(existing_comment, key):
+                        setattr(existing_comment, key, value)
             else:
                 new_comment = ZhihuComment(**comment_item)
                 session.add(new_comment)
@@ -148,7 +150,8 @@ class ZhihuDbStoreImplement(AbstractStore):
             existing_creator = result.scalars().first()
             if existing_creator:
                 for key, value in creator.items():
-                    setattr(existing_creator, key, value)
+                    if hasattr(existing_creator, key):
+                        setattr(existing_creator, key, value)
             else:
                 new_creator = ZhihuCreator(**creator)
                 session.add(new_creator)
diff --git a/tools/browser_launcher.py b/tools/browser_launcher.py
index 827e72c..6d272bd 100644
--- a/tools/browser_launcher.py
+++ b/tools/browser_launcher.py
@@ -228,7 +228,7 @@ class BrowserLauncher:
             # Try to get version info
             try:
                 result = subprocess.run([browser_path, "--version"],
-                                      capture_output=True, text=True, timeout=5)
+                                      capture_output=True, text=True, encoding='utf-8', errors='ignore', timeout=5)
                 version = result.stdout.strip() if result.stdout else "Unknown Version"
             except:
                 version = "Unknown Version"
@@ -266,6 +266,8 @@ class BrowserLauncher:
                         ["taskkill", "/F", "/T", "/PID", str(process.pid)],
                         capture_output=True,
                         check=False,
+                        encoding='utf-8',
+                        errors='ignore'
                     )
                     process.wait(timeout=5)
             else:
diff --git a/uv.lock b/uv.lock
index 2432593..479f77f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,4 @@
 version = 1
-revision = 1
 requires-python = ">=3.11"
 resolution-markers = [
     "python_full_version >= '3.12' and sys_platform == 'darwin'",
@@ -113,6 +112,54 @@ wheels = [
     { url = "https://pypi.tuna.tsinghua.edu.cn/packages/94/08/7de4f4a17196c355e4706ceba0ab60627541c78011881a7c69f41c6414c5/asyncmy-0.2.10-cp312-cp312-win_amd64.whl", hash = "sha256:4c6674073be97ffb7ac7f909e803008b23e50281131fef4e30b7b2162141a574", size = 1679064 },
 ]
 
+[[package]]
+name = "asyncpg"
+version = "0.31.0"
+source = { registry = "https://pypi.tuna.tsinghua.edu.cn/simple" }
+sdist = { url = "https://pypi.tuna.tsinghua.edu.cn/packages/fe/cc/d18065ce2380d80b1bcce927c24a2642efd38918e33fd724bc4bca904877/asyncpg-0.31.0.tar.gz", hash = "sha256:c989386c83940bfbd787180f2b1519415e2d3d6277a70d9d0f0145ac73500735", size = 993667 }
+wheels = [
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+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/a4/62/4ded7d400a7b651adf06f49ea8f73100cca07c6df012119594d1e3447aa6/asyncpg-0.31.0-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:2657204552b75f8288de08ca60faf4a99a65deef3a71d1467454123205a88fab", size = 638157 },
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/d6/5b/4179538a9a72166a0bf60ad783b1ef16efb7960e4d7b9afe9f77a5551680/asyncpg-0.31.0-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:a429e842a3a4b4ea240ea52d7fe3f82d5149853249306f7ff166cb9948faa46c", size = 2918051 },
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/e6/35/c27719ae0536c5b6e61e4701391ffe435ef59539e9360959240d6e47c8c8/asyncpg-0.31.0-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:c0807be46c32c963ae40d329b3a686356e417f674c976c07fa49f1b30303f109", size = 2972640 },
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+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/3e/f4/03ff1426acc87be0f4e8d40fa2bff5c3952bef0080062af9efc2212e3be8/asyncpg-0.31.0-cp311-cp311-musllinux_1_2_x86_64.whl", hash = "sha256:37fc6c00a814e18eef51833545d1891cac9aa69140598bb076b4cd29b3e010b9", size = 2962574 },
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+]
+
 [[package]]
 name = "certifi"
 version = "2025.6.15"
@@ -788,6 +835,7 @@ dependencies = [
     { name = "aiosqlite" },
     { name = "alembic" },
     { name = "asyncmy" },
+    { name = "asyncpg" },
     { name = "cryptography" },
     { name = "fastapi" },
     { name = "httpx" },
@@ -824,6 +872,7 @@ requires-dist = [
     { name = "aiosqlite", specifier = ">=0.21.0" },
     { name = "alembic", specifier = ">=1.16.5" },
     { name = "asyncmy", specifier = ">=0.2.10" },
+    { name = "asyncpg", specifier = ">=0.31.0" },
     { name = "cryptography", specifier = ">=45.0.7" },
     { name = "fastapi", specifier = "==0.110.2" },
     { name = "httpx", specifier = "==0.28.1" },