diff --git a/app/chain/cookiecloud.py b/app/chain/cookiecloud.py
index 298efc92..f4d65086 100644
--- a/app/chain/cookiecloud.py
+++ b/app/chain/cookiecloud.py
@@ -6,8 +6,8 @@ from lxml import etree
 
 from app.chain import ChainBase
 from app.core.config import settings
-from app.db.siteicons import SiteIcons
-from app.db.sites import Sites
+from app.db.siteicon_oper import SiteIconOper
+from app.db.site_oper import SiteOper
 from app.helper.cookiecloud import CookieCloudHelper
 from app.helper.sites import SitesHelper
 from app.log import logger
@@ -21,8 +21,8 @@ class CookieCloudChain(ChainBase):
 
     def __init__(self):
         super().__init__()
-        self.sites = Sites()
-        self.siteicons = SiteIcons()
+        self.siteoper = SiteOper()
+        self.siteiconoper = SiteIconOper()
         self.siteshelper = SitesHelper()
         self.cookiecloud = CookieCloudHelper(
             server=settings.COOKIECLOUD_HOST,
@@ -45,16 +45,16 @@ class CookieCloudChain(ChainBase):
         for domain, cookie in cookies.items():
             # 获取站点信息
             indexer = self.siteshelper.get_indexer(domain)
-            if self.sites.exists(domain):
+            if self.siteoper.exists(domain):
                 # 更新站点Cookie
-                self.sites.update_cookie(domain=domain, cookies=cookie)
+                self.siteoper.update_cookie(domain=domain, cookies=cookie)
                 _update_count += 1
             elif indexer:
                 # 新增站点
-                self.sites.add(name=indexer.get("name"),
-                               url=indexer.get("domain"),
-                               domain=domain,
-                               cookie=cookie)
+                self.siteoper.add(name=indexer.get("name"),
+                                  url=indexer.get("domain"),
+                                  domain=domain,
+                                  cookie=cookie)
                 _add_count += 1
             # 保存站点图标
             if indexer:
@@ -62,10 +62,10 @@ class CookieCloudChain(ChainBase):
                                                              cookie=cookie,
                                                              ua=settings.USER_AGENT)
                 if icon_url:
-                    self.siteicons.update_icon(name=indexer.get("name"),
-                                               domain=domain,
-                                               icon_url=icon_url,
-                                               icon_base64=icon_base64)
+                    self.siteiconoper.update_icon(name=indexer.get("name"),
+                                                  domain=domain,
+                                                  icon_url=icon_url,
+                                                  icon_base64=icon_base64)
         # 处理完成
         ret_msg = f"更新了{_update_count}个站点，新增了{_add_count}个站点"
         logger.info(f"CookieCloud同步成功：{ret_msg}")
diff --git a/app/chain/site_manage.py b/app/chain/site_manage.py
index 3ca6e607..19c95128 100644
--- a/app/chain/site_manage.py
+++ b/app/chain/site_manage.py
@@ -1,5 +1,5 @@
 from app.chain import ChainBase
-from app.db.sites import Sites
+from app.db.site_oper import SiteOper
 
 
 class SiteManageChain(ChainBase):
@@ -7,17 +7,17 @@ class SiteManageChain(ChainBase):
     站点远程管理处理链
     """
 
-    _sites: Sites = None
+    _sites: SiteOper = None
 
     def __init__(self):
         super().__init__()
-        self._sites = Sites()
+        self._siteoper = SiteOper()
 
     def process(self):
         """
         查询所有站点，发送消息
         """
-        site_list = self._sites.list()
+        site_list = self._siteoper.list()
         if not site_list:
             self.post_message(title="没有维护任何站点信息！")
         title = f"共有 {len(site_list)} 个站点，回复 `/site_disable` `[id]` 禁用站点，回复 `/site_enable` `[id]` 启用站点："
@@ -44,12 +44,12 @@ class SiteManageChain(ChainBase):
         if not arg_str.isdigit():
             return
         site_id = int(arg_str)
-        site = self._sites.get(site_id)
+        site = self._siteoper.get(site_id)
         if not site:
             self.post_message(title=f"站点编号 {site_id} 不存在！")
             return
         # 禁用站点
-        self._sites.update(site_id, {
+        self._siteoper.update(site_id, {
             "is_active": False
         })
         # 重新发送消息
@@ -65,12 +65,12 @@ class SiteManageChain(ChainBase):
         if not arg_str.isdigit():
             return
         site_id = int(arg_str)
-        site = self._sites.get(site_id)
+        site = self._siteoper.get(site_id)
         if not site:
             self.post_message(title=f"站点编号 {site_id} 不存在！")
             return
         # 禁用站点
-        self._sites.update(site_id, {
+        self._siteoper.update(site_id, {
             "is_active": True
         })
         # 重新发送消息
diff --git a/app/chain/subscribe.py b/app/chain/subscribe.py
index 8bf92c94..bc7dd4d6 100644
--- a/app/chain/subscribe.py
+++ b/app/chain/subscribe.py
@@ -6,7 +6,7 @@ from app.chain.search import SearchChain
 from app.core.metainfo import MetaInfo
 from app.core.context import TorrentInfo, Context, MediaInfo
 from app.core.config import settings
-from app.db.subscribes import Subscribes
+from app.db.subscribe_oper import SubscribeOper
 from app.helper.sites import SitesHelper
 from app.log import logger
 from app.schemas.context import NotExistMediaInfo
@@ -26,7 +26,7 @@ class SubscribeChain(ChainBase):
         super().__init__()
         self.downloadchain = DownloadChain()
         self.searchchain = SearchChain()
-        self.subscribes = Subscribes()
+        self.subscribehelper = SubscribeOper()
         self.siteshelper = SitesHelper()
 
     def process(self, title: str, year: str,
@@ -89,7 +89,7 @@ class SubscribeChain(ChainBase):
                     'lack_episode': kwargs.get('total_episode')
                 })
         # 添加订阅
-        sid, err_msg = self.subscribes.add(mediainfo, season=season, **kwargs)
+        sid, err_msg = self.subscribehelper.add(mediainfo, season=season, **kwargs)
         if not sid:
             logger.error(f'{mediainfo.title_year} {err_msg}')
             # 发回原用户
@@ -115,15 +115,15 @@ class SubscribeChain(ChainBase):
         :return: 更新订阅状态为R或删除订阅
         """
         if sid:
-            subscribes = [self.subscribes.get(sid)]
+            subscribes = [self.subscribehelper.get(sid)]
         else:
-            subscribes = self.subscribes.list(state)
+            subscribes = self.subscribehelper.list(state)
         # 遍历订阅
         for subscribe in subscribes:
             logger.info(f'开始搜索订阅，标题：{subscribe.name} ...')
             # 如果状态为N则更新为R
             if subscribe.state == 'N':
-                self.subscribes.update(subscribe.id, {'state': 'R'})
+                self.subscribehelper.update(subscribe.id, {'state': 'R'})
             # 生成元数据
             meta = MetaInfo(subscribe.name)
             meta.year = subscribe.year
@@ -138,7 +138,7 @@ class SubscribeChain(ChainBase):
             exist_flag, no_exists = self.downloadchain.get_no_exists_info(meta=meta, mediainfo=mediainfo)
             if exist_flag:
                 logger.info(f'{mediainfo.title_year} 媒体库中已存在，完成订阅')
-                self.subscribes.delete(subscribe.id)
+                self.subscribehelper.delete(subscribe.id)
                 # 发送通知
                 self.post_message(title=f'{mediainfo.title_year}{meta.season} 已完成订阅',
                                   image=mediainfo.get_message_image())
@@ -165,7 +165,7 @@ class SubscribeChain(ChainBase):
             if downloads and not lefts:
                 # 全部下载完成
                 logger.info(f'{mediainfo.title_year} 下载完成，完成订阅')
-                self.subscribes.delete(subscribe.id)
+                self.subscribehelper.delete(subscribe.id)
                 # 发送通知
                 self.post_message(title=f'{mediainfo.title_year}{meta.season} 已完成订阅',
                                   image=mediainfo.get_message_image())
@@ -224,7 +224,7 @@ class SubscribeChain(ChainBase):
         从缓存中匹配订阅，并自动下载
         """
         # 所有订阅
-        subscribes = self.subscribes.list('R')
+        subscribes = self.subscribehelper.list('R')
         # 遍历订阅
         for subscribe in subscribes:
             logger.info(f'开始匹配订阅，标题：{subscribe.name} ...')
@@ -242,7 +242,7 @@ class SubscribeChain(ChainBase):
             exist_flag, no_exists = self.downloadchain.get_no_exists_info(meta=meta, mediainfo=mediainfo)
             if exist_flag:
                 logger.info(f'{mediainfo.title_year} 媒体库中已存在，完成订阅')
-                self.subscribes.delete(subscribe.id)
+                self.subscribehelper.delete(subscribe.id)
                 # 发送通知
                 self.post_message(title=f'{mediainfo.title_year}{meta.season} 已完成订阅',
                                   image=mediainfo.get_message_image())
@@ -278,7 +278,7 @@ class SubscribeChain(ChainBase):
                 if downloads and not lefts:
                     # 全部下载完成
                     logger.info(f'{mediainfo.title_year} 下载完成，完成订阅')
-                    self.subscribes.delete(subscribe.id)
+                    self.subscribehelper.delete(subscribe.id)
                     # 发送通知
                     self.post_message(title=f'{mediainfo.title_year}{meta.season} 已完成订阅',
                                       image=mediainfo.get_message_image())
@@ -291,7 +291,7 @@ class SubscribeChain(ChainBase):
                             left_episodes = season_info.get('episodes')
                             logger.info(f'{mediainfo.title_year} 季 {season} 未下载完整，'
                                         f'更新缺失集数为{len(left_episodes)} ...')
-                            self.subscribes.update(subscribe.id, {
+                            self.subscribehelper.update(subscribe.id, {
                                 "lack_episode": len(left_episodes)
                             })
 
@@ -299,7 +299,7 @@ class SubscribeChain(ChainBase):
         """
         查询订阅并发送消息
         """
-        subscribes = self.subscribes.list()
+        subscribes = self.subscribehelper.list()
         if not subscribes:
             self.post_message(title='没有任何订阅！')
             return
@@ -328,12 +328,12 @@ class SubscribeChain(ChainBase):
         if not arg_str.isdigit():
             return
         subscribe_id = int(arg_str)
-        subscribe = self.subscribes.get(subscribe_id)
+        subscribe = self.subscribehelper.get(subscribe_id)
         if not subscribe:
             self.post_message(title=f"订阅编号 {subscribe_id} 不存在！")
             return
         # 删除订阅
-        self.subscribes.delete(subscribe_id)
+        self.subscribehelper.delete(subscribe_id)
         # 重新发送消息
         self.list()
 
diff --git a/app/core/plugin.py b/app/core/plugin.py
index 04f7c4b1..8fea972d 100644
--- a/app/core/plugin.py
+++ b/app/core/plugin.py
@@ -1,7 +1,7 @@
 import traceback
 from typing import List, Any
 
-from app.db.systemconfigs import SystemConfigs
+from app.db.systemconfig_oper import SystemConfigOper
 from app.helper.module import ModuleHelper
 from app.log import logger
 from app.utils.singleton import Singleton
@@ -11,7 +11,7 @@ class PluginManager(metaclass=Singleton):
     """
     插件管理器
     """
-    systemconfigs: SystemConfigs = None
+    systemconfigs: SystemConfigOper = None
 
     # 插件列表
     _plugins: dict = {}
@@ -24,7 +24,7 @@ class PluginManager(metaclass=Singleton):
         self.init_config()
 
     def init_config(self):
-        self.systemconfigs = SystemConfigs()
+        self.systemconfigs = SystemConfigOper()
         # 停止已有插件
         self.stop()
         # 启动插件
diff --git a/app/db/__init__.py b/app/db/__init__.py
index 54a690cf..44b0c613 100644
--- a/app/db/__init__.py
+++ b/app/db/__init__.py
@@ -1,5 +1,5 @@
 from sqlalchemy import create_engine, QueuePool
-from sqlalchemy.orm import sessionmaker
+from sqlalchemy.orm import sessionmaker, Session
 
 from app.core.config import settings
 
@@ -27,3 +27,15 @@ def get_db():
     finally:
         if db:
             db.close()
+
+
+class DbOper:
+
+    _db: Session = None
+
+    def __init__(self, _db=SessionLocal()):
+        self._db = _db
+
+    def __del__(self):
+        if self._db:
+            self._db.close()
diff --git a/app/db/models/__init__.py b/app/db/models/__init__.py
index 953b90f9..4a6b5842 100644
--- a/app/db/models/__init__.py
+++ b/app/db/models/__init__.py
@@ -11,7 +11,6 @@ class Base:
     def create(self, db):
         db.add(self)
         db.commit()
-        db.refresh(self)
         return self
 
     @classmethod
diff --git a/app/db/plugindata_oper.py b/app/db/plugindata_oper.py
new file mode 100644
index 00000000..1f2da2dd
--- /dev/null
+++ b/app/db/plugindata_oper.py
@@ -0,0 +1,35 @@
+import json
+from typing import Any
+
+from app.db import DbOper
+from app.db.models import Base
+from app.db.models.plugin import PluginData
+from app.utils.object import ObjectUtils
+
+
+class PluginDataOper(DbOper):
+    """
+    插件数据管理
+    """
+
+    def save(self, plugin_id: str, key: str, value: Any) -> Base:
+        """
+        保存插件数据
+        :param plugin_id: 插件id
+        :param key: 数据key
+        :param value: 数据值
+        """
+        if ObjectUtils.is_obj(value):
+            value = json.dumps(value)
+        plugin = PluginData(plugin_id=plugin_id, key=key, value=value)
+        return plugin.create(self._db)
+
+    def get_data(self, key: str) -> Any:
+        """
+        获取插件数据
+        :param key: 数据key
+        """
+        data = PluginData.get_plugin_data_by_key(self._db, self.__class__.__name__, key)
+        if ObjectUtils.is_obj(data):
+            return json.load(data)
+        return data
diff --git a/app/db/sites.py b/app/db/site_oper.py
similarity index 91%
rename from app/db/sites.py
rename to app/db/site_oper.py
index 1621c260..67d6a122 100644
--- a/app/db/sites.py
+++ b/app/db/site_oper.py
@@ -1,19 +1,13 @@
 from typing import Tuple, List
 
-from sqlalchemy.orm import Session
-
-from app.db import SessionLocal
+from app.db import DbOper
 from app.db.models.site import Site
 
 
-class Sites:
+class SiteOper(DbOper):
     """
     站点管理
     """
-    _db: Session = None
-
-    def __init__(self, _db=SessionLocal()):
-        self._db = _db
 
     def add(self, **kwargs) -> Tuple[bool, str]:
         """
diff --git a/app/db/siteicons.py b/app/db/siteicon_oper.py
similarity index 83%
rename from app/db/siteicons.py
rename to app/db/siteicon_oper.py
index ca0ba5e3..b0569f01 100644
--- a/app/db/siteicons.py
+++ b/app/db/siteicon_oper.py
@@ -1,19 +1,13 @@
 from typing import List
 
-from sqlalchemy.orm import Session
-
-from app.db import SessionLocal
+from app.db import DbOper
 from app.db.models.siteicon import SiteIcon
 
 
-class SiteIcons:
+class SiteIconOper(DbOper):
     """
     站点管理
     """
-    _db: Session = None
-
-    def __init__(self, _db=SessionLocal()):
-        self._db = _db
 
     def list(self) -> List[SiteIcon]:
         """
diff --git a/app/db/subscribes.py b/app/db/subscribe_oper.py
similarity index 90%
rename from app/db/subscribes.py
rename to app/db/subscribe_oper.py
index 5229830c..32fb873a 100644
--- a/app/db/subscribes.py
+++ b/app/db/subscribe_oper.py
@@ -1,20 +1,14 @@
 from typing import Tuple, List
 
-from sqlalchemy.orm import Session
-
 from app.core.context import MediaInfo
-from app.db import SessionLocal
+from app.db import DbOper
 from app.db.models.subscribe import Subscribe
 
 
-class Subscribes:
+class SubscribeOper(DbOper):
     """
     订阅管理
     """
-    _db: Session = None
-
-    def __init__(self, _db=SessionLocal()):
-        self._db = _db
 
     def add(self, mediainfo: MediaInfo, **kwargs) -> Tuple[int, str]:
         """
diff --git a/app/db/systemconfigs.py b/app/db/systemconfig_oper.py
similarity index 88%
rename from app/db/systemconfigs.py
rename to app/db/systemconfig_oper.py
index 119c3719..8daa6ac7 100644
--- a/app/db/systemconfigs.py
+++ b/app/db/systemconfig_oper.py
@@ -1,25 +1,22 @@
 import json
 from typing import Any, Union
 
-from sqlalchemy.orm import Session
-
-from app.db import SessionLocal
+from app.db import DbOper
 from app.db.models.systemconfig import SystemConfig
 from app.utils.object import ObjectUtils
 from app.utils.singleton import Singleton
 from app.utils.types import SystemConfigKey
 
 
-class SystemConfigs(metaclass=Singleton):
+class SystemConfigOper(DbOper, metaclass=Singleton):
     # 配置对象
     __SYSTEMCONF: dict = {}
-    _db: Session = None
 
-    def __init__(self, _db=SessionLocal()):
+    def __init__(self):
         """
         加载配置到内存
         """
-        self._db = _db
+        super().__init__()
         for item in SystemConfig.list(self._db):
             if ObjectUtils.is_obj(item.value):
                 self.__SYSTEMCONF[item.key] = json.loads(item.value)
diff --git a/app/helper/sites.cp310-win_amd64.pyd b/app/helper/sites.cp310-win_amd64.pyd
index b7237775..ceafd246 100644
Binary files a/app/helper/sites.cp310-win_amd64.pyd and b/app/helper/sites.cp310-win_amd64.pyd differ
diff --git a/app/plugins/__init__.py b/app/plugins/__init__.py
index d74aafa3..8e220b85 100644
--- a/app/plugins/__init__.py
+++ b/app/plugins/__init__.py
@@ -1,15 +1,12 @@
-import json
 from abc import ABCMeta, abstractmethod
 from pathlib import Path
 from typing import Any
 
 from app.chain import ChainBase
 from app.core.config import settings
-from app.db import SessionLocal
 from app.db.models import Base
-from app.db.models.plugin import PluginData
-from app.db.systemconfigs import SystemConfigs
-from app.utils.object import ObjectUtils
+from app.db.plugindata_oper import PluginDataOper
+from app.db.systemconfig_oper import SystemConfigOper
 
 
 class PluginChian(ChainBase):
@@ -39,8 +36,9 @@ class _PluginBase(metaclass=ABCMeta):
     plugin_desc: str = ""
     
     def __init__(self):
-        self.db = SessionLocal()
+        self.plugindata = PluginDataOper()
         self.chain = PluginChian()
+        self.systemconfig = SystemConfigOper()
 
     @abstractmethod
     def init_plugin(self, config: dict = None):
@@ -65,7 +63,7 @@ class _PluginBase(metaclass=ABCMeta):
         """
         if not plugin_id:
             plugin_id = self.__class__.__name__
-        return SystemConfigs().set(f"plugin.{plugin_id}", config)
+        return self.systemconfig.set(f"plugin.{plugin_id}", config)
 
     def get_config(self, plugin_id: str = None) -> Any:
         """
@@ -74,7 +72,7 @@ class _PluginBase(metaclass=ABCMeta):
         """
         if not plugin_id:
             plugin_id = self.__class__.__name__
-        return SystemConfigs().get(f"plugin.{plugin_id}")
+        return self.systemconfig.get(f"plugin.{plugin_id}")
 
     def get_data_path(self, plugin_id: str = None) -> Path:
         """
@@ -93,17 +91,11 @@ class _PluginBase(metaclass=ABCMeta):
         :param key: 数据key
         :param value: 数据值
         """
-        if ObjectUtils.is_obj(value):
-            value = json.dumps(value)
-        plugin = PluginData(plugin_id=self.__class__.__name__, key=key, value=value)
-        return plugin.create(self.db)
+        return self.plugindata.save(self.__class__.__name__, key, value)
 
     def get_data(self, key: str) -> Any:
         """
         获取插件数据
         :param key: 数据key
         """
-        data = PluginData.get_plugin_data_by_key(self.db, self.__class__.__name__, key)
-        if ObjectUtils.is_obj(data):
-            return json.load(data)
-        return data
+        return self.plugindata.get_data(key)