diff --git a/alembic/versions/52ab4930be04_1_0_3.py b/alembic/versions/52ab4930be04_1_0_3.py
index 956b0079..434a8f6f 100644
--- a/alembic/versions/52ab4930be04_1_0_3.py
+++ b/alembic/versions/52ab4930be04_1_0_3.py
@@ -6,8 +6,6 @@ Create Date: 2023-08-28 13:21:45.152012
 
 """
 from alembic import op
-import sqlalchemy as sa
-
 
 # revision identifiers, used by Alembic.
 revision = '52ab4930be04'
diff --git a/app/api/endpoints/message.py b/app/api/endpoints/message.py
index 9886ce76..691f0262 100644
--- a/app/api/endpoints/message.py
+++ b/app/api/endpoints/message.py
@@ -64,14 +64,13 @@ def wechat_verify(echostr: str, msg_signature: str,
 
 
 @router.get("/switchs", summary="查询通知消息渠道开关", response_model=List[NotificationSwitch])
-def read_switchs(db: Session = Depends(get_db),
-                 _: schemas.TokenPayload = Depends(verify_token)) -> Any:
+def read_switchs(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     查询通知消息渠道开关
     """
     return_list = []
     # 读取数据库
-    switchs = SystemConfigOper(db).get(SystemConfigKey.NotificationChannels)
+    switchs = SystemConfigOper().get(SystemConfigKey.NotificationChannels)
     if not switchs:
         for noti in NotificationType:
             return_list.append(NotificationSwitch(mtype=noti.value, wechat=True, telegram=True, slack=True))
@@ -83,7 +82,6 @@ def read_switchs(db: Session = Depends(get_db),
 
 @router.post("/switchs", summary="设置通知消息渠道开关", response_model=schemas.Response)
 def set_switchs(switchs: List[NotificationSwitch],
-                db: Session = Depends(get_db),
                 _: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     查询通知消息渠道开关
@@ -92,6 +90,6 @@ def set_switchs(switchs: List[NotificationSwitch],
     for switch in switchs:
         switch_list.append(switch.dict())
     # 存入数据库
-    SystemConfigOper(db).set(SystemConfigKey.NotificationChannels, switch_list)
+    SystemConfigOper().set(SystemConfigKey.NotificationChannels, switch_list)
 
     return schemas.Response(success=True)
diff --git a/app/api/endpoints/plugin.py b/app/api/endpoints/plugin.py
index 7a7c4208..47615c96 100644
--- a/app/api/endpoints/plugin.py
+++ b/app/api/endpoints/plugin.py
@@ -22,28 +22,26 @@ def all_plugins(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
 
 
 @router.get("/installed", summary="已安装插件", response_model=List[str])
-def installed_plugins(db: Session = Depends(get_db),
-                      _: schemas.TokenPayload = Depends(verify_token)) -> Any:
+def installed_plugins(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     查询用户已安装插件清单
     """
-    return SystemConfigOper(db).get(SystemConfigKey.UserInstalledPlugins) or []
+    return SystemConfigOper().get(SystemConfigKey.UserInstalledPlugins) or []
 
 
 @router.get("/install/{plugin_id}", summary="安装插件", response_model=schemas.Response)
 def install_plugin(plugin_id: str,
-                   db: Session = Depends(get_db),
                    _: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     安装插件
     """
     # 已安装插件
-    install_plugins = SystemConfigOper(db).get(SystemConfigKey.UserInstalledPlugins) or []
+    install_plugins = SystemConfigOper().get(SystemConfigKey.UserInstalledPlugins) or []
     # 安装插件
     if plugin_id not in install_plugins:
         install_plugins.append(plugin_id)
         # 保存设置
-        SystemConfigOper(db).set(SystemConfigKey.UserInstalledPlugins, install_plugins)
+        SystemConfigOper().set(SystemConfigKey.UserInstalledPlugins, install_plugins)
         # 重载插件管理器
         PluginManager().init_config()
     return schemas.Response(success=True)
@@ -93,19 +91,18 @@ def set_plugin_config(plugin_id: str, conf: dict,
 
 @router.delete("/{plugin_id}", summary="卸载插件", response_model=schemas.Response)
 def uninstall_plugin(plugin_id: str,
-                     db: Session = Depends(get_db),
                      _: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     卸载插件
     """
     # 删除已安装信息
-    install_plugins = SystemConfigOper(db).get(SystemConfigKey.UserInstalledPlugins) or []
+    install_plugins = SystemConfigOper().get(SystemConfigKey.UserInstalledPlugins) or []
     for plugin in install_plugins:
         if plugin == plugin_id:
             install_plugins.remove(plugin)
             break
     # 保存
-    SystemConfigOper(db).set(SystemConfigKey.UserInstalledPlugins, install_plugins)
+    SystemConfigOper().set(SystemConfigKey.UserInstalledPlugins, install_plugins)
     # 重载插件管理器
     PluginManager().init_config()
     return schemas.Response(success=True)
diff --git a/app/api/endpoints/search.py b/app/api/endpoints/search.py
index 3a2ae68e..406032ea 100644
--- a/app/api/endpoints/search.py
+++ b/app/api/endpoints/search.py
@@ -1,6 +1,6 @@
 from typing import List, Any
 
-from fastapi import APIRouter, Depends, HTTPException
+from fastapi import APIRouter, Depends
 from sqlalchemy.orm import Session
 
 from app import schemas
diff --git a/app/api/endpoints/site.py b/app/api/endpoints/site.py
index d3e1840f..3e078af2 100644
--- a/app/api/endpoints/site.py
+++ b/app/api/endpoints/site.py
@@ -117,9 +117,9 @@ def cookie_cloud_sync(db: Session = Depends(get_db),
     清空所有站点数据并重新同步CookieCloud站点信息
     """
     Site.reset(db)
-    SystemConfigOper(db).set(SystemConfigKey.IndexerSites, [])
-    SystemConfigOper(db).set(SystemConfigKey.RssSites, [])
-    CookieCloudChain(db).process(manual=True)
+    SystemConfigOper().set(SystemConfigKey.IndexerSites, [])
+    SystemConfigOper().set(SystemConfigKey.RssSites, [])
+    CookieCloudChain().process(manual=True)
     # 插件站点删除
     EventManager().send_event(EventType.SiteDeleted,
                               {
@@ -203,7 +203,7 @@ def site_resource(site_id: int,
             status_code=404,
             detail=f"站点 {site_id} 不存在",
         )
-    torrents = TorrentsChain(db).browse(domain=site.domain)
+    torrents = TorrentsChain().browse(domain=site.domain)
     if not torrents:
         return []
     return [torrent.to_dict() for torrent in torrents]
@@ -234,7 +234,7 @@ def read_rss_sites(db: Session = Depends(get_db)) -> List[dict]:
     获取站点列表
     """
     # 选中的rss站点
-    rss_sites = SystemConfigOper(db).get(SystemConfigKey.RssSites)
+    rss_sites = SystemConfigOper().get(SystemConfigKey.RssSites)
     # 所有站点
     all_site = Site.list_order_by_pri(db)
     if not rss_sites or not all_site:
diff --git a/app/api/endpoints/system.py b/app/api/endpoints/system.py
index e401c207..df32ee6d 100644
--- a/app/api/endpoints/system.py
+++ b/app/api/endpoints/system.py
@@ -63,24 +63,22 @@ def get_progress(process_type: str, token: str):
 
 @router.get("/setting/{key}", summary="查询系统设置", response_model=schemas.Response)
 def get_setting(key: str,
-                db: Session = Depends(get_db),
                 _: schemas.TokenPayload = Depends(verify_token)):
     """
     查询系统设置
     """
     return schemas.Response(success=True, data={
-        "value": SystemConfigOper(db).get(key)
+        "value": SystemConfigOper().get(key)
     })
 
 
 @router.post("/setting/{key}", summary="更新系统设置", response_model=schemas.Response)
 def set_setting(key: str, value: Union[list, dict, str, int] = None,
-                db: Session = Depends(get_db),
                 _: schemas.TokenPayload = Depends(verify_token)):
     """
     更新系统设置
     """
-    SystemConfigOper(db).set(key, value)
+    SystemConfigOper().set(key, value)
     return schemas.Response(success=True)
 
 
@@ -185,9 +183,9 @@ def ruletest(title: str,
         description=subtitle,
     )
     if ruletype == "2":
-        rule_string = SystemConfigOper(db).get(SystemConfigKey.FilterRules2)
+        rule_string = SystemConfigOper().get(SystemConfigKey.FilterRules2)
     else:
-        rule_string = SystemConfigOper(db).get(SystemConfigKey.FilterRules)
+        rule_string = SystemConfigOper().get(SystemConfigKey.FilterRules)
     if not rule_string:
         return schemas.Response(success=False, message="过滤规则未设置！")
 
diff --git a/app/chain/rss.py b/app/chain/rss.py
index a8daac2a..82f41fd3 100644
--- a/app/chain/rss.py
+++ b/app/chain/rss.py
@@ -30,7 +30,7 @@ class RssChain(ChainBase):
         super().__init__(db)
         self.rssoper = RssOper(self._db)
         self.sites = SitesHelper()
-        self.systemconfig = SystemConfigOper(self._db)
+        self.systemconfig = SystemConfigOper()
         self.downloadchain = DownloadChain(self._db)
         self.message = MessageHelper()
 
diff --git a/app/chain/search.py b/app/chain/search.py
index b84c3d68..9f49ef71 100644
--- a/app/chain/search.py
+++ b/app/chain/search.py
@@ -29,7 +29,7 @@ class SearchChain(ChainBase):
         super().__init__(db)
         self.siteshelper = SitesHelper()
         self.progress = ProgressHelper()
-        self.systemconfig = SystemConfigOper(self._db)
+        self.systemconfig = SystemConfigOper()
         self.torrenthelper = TorrentHelper()
 
     def search_by_tmdbid(self, tmdbid: int, mtype: MediaType = None, area: str = "title") -> List[Context]:
diff --git a/app/chain/subscribe.py b/app/chain/subscribe.py
index 2c7fe576..03ba0a83 100644
--- a/app/chain/subscribe.py
+++ b/app/chain/subscribe.py
@@ -33,7 +33,7 @@ class SubscribeChain(ChainBase):
         self.subscribeoper = SubscribeOper(self._db)
         self.torrentschain = TorrentsChain()
         self.message = MessageHelper()
-        self.systemconfig = SystemConfigOper(self._db)
+        self.systemconfig = SystemConfigOper()
 
     def add(self, title: str, year: str,
             mtype: MediaType = None,
diff --git a/app/chain/torrents.py b/app/chain/torrents.py
index cc8eb0d4..d9b561c4 100644
--- a/app/chain/torrents.py
+++ b/app/chain/torrents.py
@@ -1,12 +1,12 @@
 from typing import Dict, List, Union
 
 from cachetools import cached, TTLCache
-from requests import Session
 
 from app.chain import ChainBase
 from app.core.config import settings
 from app.core.context import TorrentInfo, Context, MediaInfo
 from app.core.metainfo import MetaInfo
+from app.db import SessionFactory
 from app.db.systemconfig_oper import SystemConfigOper
 from app.helper.sites import SitesHelper
 from app.log import logger
@@ -23,10 +23,11 @@ class TorrentsChain(ChainBase, metaclass=Singleton):
 
     _cache_file = "__torrents_cache__"
 
-    def __init__(self, db: Session = None):
-        super().__init__(db)
+    def __init__(self):
+        self._db = SessionFactory()
+        super().__init__(self._db)
         self.siteshelper = SitesHelper()
-        self.systemconfig = SystemConfigOper(self._db)
+        self.systemconfig = SystemConfigOper()
 
     def remote_refresh(self, channel: MessageChannel, userid: Union[str, int] = None):
         """
diff --git a/app/command.py b/app/command.py
index 0e93d487..a5e3786e 100644
--- a/app/command.py
+++ b/app/command.py
@@ -13,7 +13,7 @@ from app.chain.transfer import TransferChain
 from app.core.event import Event as ManagerEvent
 from app.core.event import eventmanager, EventManager
 from app.core.plugin import PluginManager
-from app.db import ScopedSession
+from app.db import SessionFactory
 from app.log import logger
 from app.schemas.types import EventType, MessageChannel
 from app.utils.object import ObjectUtils
@@ -41,7 +41,7 @@ class Command(metaclass=Singleton):
 
     def __init__(self):
         # 数据库连接
-        self._db = ScopedSession()
+        self._db = SessionFactory()
         # 事件管理器
         self.eventmanager = EventManager()
         # 插件管理器
diff --git a/app/db/init.py b/app/db/init.py
index 6013bcc8..c902c1fb 100644
--- a/app/db/init.py
+++ b/app/db/init.py
@@ -6,7 +6,7 @@ from alembic.config import Config
 
 from app.core.config import settings
 from app.core.security import get_password_hash
-from app.db import Engine, ScopedSession
+from app.db import Engine, SessionFactory
 from app.db.models import Base
 from app.db.models.user import User
 from app.log import logger
@@ -22,7 +22,7 @@ def init_db():
     # 全量建表
     Base.metadata.create_all(bind=Engine)
     # 初始化超级管理员
-    db = ScopedSession()
+    db = SessionFactory()
     user = User.get_by_name(db=db, name=settings.SUPERUSER)
     if not user:
         user = User(
diff --git a/app/db/systemconfig_oper.py b/app/db/systemconfig_oper.py
index 204b3e02..64fcca0f 100644
--- a/app/db/systemconfig_oper.py
+++ b/app/db/systemconfig_oper.py
@@ -1,9 +1,7 @@
 import json
 from typing import Any, Union
 
-from sqlalchemy.orm import Session
-
-from app.db import DbOper
+from app.db import DbOper, SessionFactory
 from app.db.models.systemconfig import SystemConfig
 from app.schemas.types import SystemConfigKey
 from app.utils.object import ObjectUtils
@@ -14,11 +12,12 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
     # 配置对象
     __SYSTEMCONF: dict = {}
 
-    def __init__(self, db: Session = None):
+    def __init__(self):
         """
         加载配置到内存
         """
-        super().__init__(db)
+        self._db = SessionFactory()
+        super().__init__(self._db)
         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/plugins/speedlimiter/__init__.py b/app/plugins/speedlimiter/__init__.py
index 2f187adb..4ba885ff 100644
--- a/app/plugins/speedlimiter/__init__.py
+++ b/app/plugins/speedlimiter/__init__.py
@@ -592,7 +592,8 @@ class SpeedLimiter(_PluginBase):
                 for allow_ipv6 in allow_ipv6s:
                     if ipaddr in ipaddress.ip_network(allow_ipv6, strict=False):
                         return True
-        except Exception:
+        except Exception as err:
+            print(str(err))
             return False
         return False
 
diff --git a/app/scheduler.py b/app/scheduler.py
index a0587669..3962c0bc 100644
--- a/app/scheduler.py
+++ b/app/scheduler.py
@@ -12,7 +12,7 @@ from app.chain.rss import RssChain
 from app.chain.subscribe import SubscribeChain
 from app.chain.transfer import TransferChain
 from app.core.config import settings
-from app.db import ScopedSession
+from app.db import SessionFactory
 from app.log import logger
 from app.utils.singleton import Singleton
 from app.utils.timer import TimerUtils
@@ -40,7 +40,7 @@ class Scheduler(metaclass=Singleton):
 
     def __init__(self):
         # 数据库连接
-        self._db = ScopedSession()
+        self._db = SessionFactory()
         # 调试模式不启动定时服务
         if settings.DEV:
             return
diff --git a/app/utils/http.py b/app/utils/http.py
index 78c96d53..7f032a17 100644
--- a/app/utils/http.py
+++ b/app/utils/http.py
@@ -5,8 +5,6 @@ import urllib3
 from requests import Session, Response
 from urllib3.exceptions import InsecureRequestWarning
 
-from app.utils.ip import IpUtils
-
 urllib3.disable_warnings(InsecureRequestWarning)