diff --git a/backend/src/module/database/__init__.py b/backend/src/module/database/__init__.py
index cd90685d..87d8425a 100644
--- a/backend/src/module/database/__init__.py
+++ b/backend/src/module/database/__init__.py
@@ -1,3 +1,2 @@
-from .bangumi import BangumiDatabase
-from .rss import RSSDatabase
-from .torrent import TorrentDatabase
\ No newline at end of file
+from .combine import Database
+from .engine import engine
diff --git a/backend/src/module/database/bangumi.py b/backend/src/module/database/bangumi.py
index a432dc94..29273102 100644
--- a/backend/src/module/database/bangumi.py
+++ b/backend/src/module/database/bangumi.py
@@ -13,16 +13,16 @@ class BangumiDatabase:
     def __init__(self, session: Session):
         self.session = session
 
-    def insert_one(self, data: Bangumi):
+    def add(self, data: Bangumi):
         self.session.add(data)
         self.session.commit()
         logger.debug(f"[Database] Insert {data.official_title} into database.")
 
-    def insert_list(self, data: list[Bangumi]):
+    def add_all(self, data: list[Bangumi]):
         self.session.add_all(data)
         logger.debug(f"[Database] Insert {len(data)} bangumi into database.")
 
-    def update_one(self, data: Bangumi) -> bool:
+    def update(self, data: Bangumi) -> bool:
         db_data = self.session.get(Bangumi, data.id)
         if not db_data:
             return False
@@ -35,9 +35,10 @@ class BangumiDatabase:
         logger.debug(f"[Database] Update {data.official_title}")
         return True
 
-    def update_list(self, datas: list[Bangumi]):
-        for data in datas:
-            self.update_one(data)
+    def update_all(self, datas: list[Bangumi]):
+        self.session.add_all(datas)
+        self.session.commit()
+        logger.debug(f"[Database] Update {len(datas)} bangumi.")
 
     def update_rss(self, title_raw, rss_set: str):
         # Update rss and added
@@ -119,13 +120,16 @@ class BangumiDatabase:
 
     def match_torrent(self, torrent_name: str) -> Optional[Bangumi]:
         statement = select(Bangumi).where(
-            and_(func.instr(torrent_name, Bangumi.title_raw) > 0, not Bangumi.deleted)
+            and_(
+                func.instr(torrent_name, Bangumi.title_raw) > 0,
+                Bangumi.deleted == False,
+            )
         )
         return self.session.exec(statement).first()
 
     def not_complete(self) -> list[Bangumi]:
         # Find eps_complete = False
-        condition = select(Bangumi).where(Bangumi.eps_collect == 0)
+        condition = select(Bangumi).where(Bangumi.eps_collect == False)
         datas = self.session.exec(condition).all()
         return datas
 
diff --git a/backend/src/module/database/combine.py b/backend/src/module/database/combine.py
index 9066f378..e6dce3a7 100644
--- a/backend/src/module/database/combine.py
+++ b/backend/src/module/database/combine.py
@@ -1,18 +1,17 @@
 from sqlmodel import Session, SQLModel
 
-from .engine import engine
 from .rss import RSSDatabase
 from .torrent import TorrentDatabase
 from .bangumi import BangumiDatabase
 
 
 class Database(Session):
-    def __init__(self, _engine=engine):
-        super().__init__(_engine)
+    def __init__(self, engine):
+        self.engine = engine
+        super().__init__(engine)
         self.rss = RSSDatabase(self)
         self.torrent = TorrentDatabase(self)
         self.bangumi = BangumiDatabase(self)
 
-    @staticmethod
-    def create_table():
-        SQLModel.metadata.create_all(engine)
+    def create_table(self):
+        SQLModel.metadata.create_all(self.engine)
diff --git a/backend/src/module/database/torrent.py b/backend/src/module/database/torrent.py
index 2c32dfca..3ccafb14 100644
--- a/backend/src/module/database/torrent.py
+++ b/backend/src/module/database/torrent.py
@@ -22,13 +22,13 @@ class TorrentDatabase:
         self.session.commit()
         logger.debug(f"Insert {len(datas)} torrents in database.")
 
-    def update_one_sys(self, data: Torrent):
+    def update(self, data: Torrent):
         self.session.add(data)
         self.session.commit()
         self.session.refresh(data)
         logger.debug(f"Update {data.name} in database.")
 
-    def update_many_sys(self, datas: list[Torrent]):
+    def update_all(self, datas: list[Torrent]):
         self.session.add_all(datas)
         self.session.commit()
 
@@ -38,7 +38,7 @@ class TorrentDatabase:
         self.session.refresh(data)
         logger.debug(f"Update {data.name} in database.")
 
-    def search_one(self, _id: int) -> Torrent:
+    def search(self, _id: int) -> Torrent:
         return self.session.exec(select(Torrent).where(Torrent.id == _id)).first()
 
     def search_all(self) -> list[Torrent]:
diff --git a/backend/src/module/rss/analyser.py b/backend/src/module/rss/analyser.py
index 00bde7a6..9746547d 100644
--- a/backend/src/module/rss/analyser.py
+++ b/backend/src/module/rss/analyser.py
@@ -2,8 +2,8 @@ import logging
 import re
 
 from module.conf import settings
-from module.database import BangumiDatabase
 from module.models import Bangumi
+from module.database import Database
 from module.network import RequestContent, TorrentInfo
 from module.parser import TitleParser
 
@@ -13,8 +13,6 @@ logger = logging.getLogger(__name__)
 class RSSAnalyser:
     def __init__(self):
         self._title_analyser = TitleParser()
-        with BangumiDatabase() as db:
-            db.update_table()
 
     def official_title_parser(self, data: Bangumi, mikan_title: str):
         if settings.rss_parser.parser_type == "mikan":
@@ -78,10 +76,10 @@ class RSSAnalyser:
             return data
 
     def rss_to_data(
-        self, rss_link: str, database: BangumiDatabase, full_parse: bool = True
+        self, rss_link: str, database: Database, full_parse: bool = True
     ) -> list[Bangumi]:
         rss_torrents = self.get_rss_torrents(rss_link, full_parse)
-        torrents_to_add = database.match_list(rss_torrents, rss_link)
+        torrents_to_add = database.bangumi.match_list(rss_torrents, rss_link)
         if not torrents_to_add:
             logger.debug("[RSS] No new title has been found.")
             return []
diff --git a/backend/src/module/rss/engine.py b/backend/src/module/rss/engine.py
index 1c775ce7..5b608798 100644
--- a/backend/src/module/rss/engine.py
+++ b/backend/src/module/rss/engine.py
@@ -2,13 +2,18 @@ import re
 import logging
 
 from module.models import Bangumi, RSSItem, Torrent
-from module.network import RequestContent, TorrentInfo
+from module.network import RequestContent
 from module.downloader import DownloadClient
 
-from module.database.combine import Database
+from module.database import Database, engine
+
+logger = logging.getLogger(__name__)
 
 
 class RSSEngine(Database):
+    def __init__(self, _engine=engine):
+        super().__init__(_engine)
+
     @staticmethod
     def _get_torrents(rss_link: str) -> list[Torrent]:
         with RequestContent() as req:
diff --git a/backend/src/test/test_database.py b/backend/src/test/test_database.py
index 4f3e983b..cfe9289e 100644
--- a/backend/src/test/test_database.py
+++ b/backend/src/test/test_database.py
@@ -2,15 +2,16 @@ from sqlmodel import create_engine, SQLModel
 from sqlmodel.pool import StaticPool
 
 from module.database.combine import Database
-from module.models import Bangumi
+from module.models import Bangumi, Torrent, RSSItem
+
+
+# sqlite mock engine
+engine = create_engine(
+    "sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool
+)
 
 
 def test_bangumi_database():
-    # sqlite mock engine
-    engine = create_engine(
-        "sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool
-    )
-    SQLModel.metadata.create_all(engine)
     test_data = Bangumi(
         official_title="test",
         year="2021",
@@ -32,18 +33,46 @@ def test_bangumi_database():
         deleted=False,
     )
     with Database(engine) as db:
+        db.create_table()
         # insert
-        db.bangumi.insert_one(test_data)
+        db.bangumi.add(test_data)
         assert db.bangumi.search_id(1) == test_data
 
         # update
         test_data.official_title = "test2"
-        db.bangumi.update_one(test_data)
+        db.bangumi.update(test_data)
         assert db.bangumi.search_id(1) == test_data
 
         # search poster
         assert db.bangumi.match_poster("test2 (2021)") == "/test/test.jpg"
 
+        # match torrent
+        result = db.bangumi.match_torrent("[Sub Group]test S02 01 [720p].mkv")
+        assert result.official_title == "test2"
+
         # delete
         db.bangumi.delete_one(1)
         assert db.bangumi.search_id(1) is None
+
+
+def test_torrent_database():
+    test_data = Torrent(
+        name="[Sub Group]test S02 01 [720p].mkv",
+        url="https://test.com/test.mkv",
+    )
+    with Database(engine) as db:
+        # insert
+        db.torrent.add(test_data)
+        assert db.torrent.search(1) == test_data
+
+        # update
+        test_data.downloaded = True
+        db.torrent.update(test_data)
+        assert db.torrent.search(1) == test_data
+
+
+def test_rss_database():
+    rss_url = "https://test.com/test.xml"
+
+    with Database(engine) as db:
+        db.rss.add(RSSItem(url=rss_url))
diff --git a/backend/src/test/test_rss_engine.py b/backend/src/test/test_rss_engine.py
new file mode 100644
index 00000000..e2e8f90f
--- /dev/null
+++ b/backend/src/test/test_rss_engine.py
@@ -0,0 +1,22 @@
+from module.rss.engine import RSSEngine
+
+from .test_database import engine as e
+
+
+def test_rss_engine():
+    with RSSEngine(e) as engine:
+        rss_link = "https://mikanani.me/RSS/Bangumi?bangumiId=2353&subgroupid=552"
+
+        engine.add_rss(rss_link, combine=False)
+
+        result = engine.rss.search_active()
+
+        assert result[1].item_path == "Mikan Project - 无职转生～到了异世界就拿出真本事～"
+
+        new_torrents = engine.pull_rss(result[1])
+        torrent = new_torrents[0]
+
+        assert torrent.name == "[Lilith-Raws] 无职转生，到了异世界就拿出真本事 / Mushoku Tensei - 11 [Baha][WEB-DL][1080p][AVC AAC][CHT][MP4]"
+
+
+