diff --git a/app/api/endpoints/plugin.py b/app/api/endpoints/plugin.py
index d0f824a4..47615c96 100644
--- a/app/api/endpoints/plugin.py
+++ b/app/api/endpoints/plugin.py
@@ -101,8 +101,6 @@ def uninstall_plugin(plugin_id: str,
         if plugin == plugin_id:
             install_plugins.remove(plugin)
             break
-    # 删除插件配置
-    SystemConfigOper().delete_by_key(plugin_id)
     # 保存
     SystemConfigOper().set(SystemConfigKey.UserInstalledPlugins, install_plugins)
     # 重载插件管理器
diff --git a/app/db/models/plugin.py b/app/db/models/plugin.py
index 16da8c96..e060512a 100644
--- a/app/db/models/plugin.py
+++ b/app/db/models/plugin.py
@@ -26,11 +26,6 @@ class PluginData(Base):
         db.query(PluginData).filter(PluginData.plugin_id == plugin_id, PluginData.key == key).delete()
         Base.commit(db)
 
-    @staticmethod
-    def del_plugin_data_by_plugin_id(db: Session, plugin_id: str):
-        db.query(PluginData).filter(PluginData.plugin_id == plugin_id).delete()
-        Base.commit(db)
-
     @staticmethod
     def get_plugin_data_by_plugin_id(db: Session, plugin_id: str):
         return db.query(PluginData).filter(PluginData.plugin_id == plugin_id).all()
diff --git a/app/db/plugindata_oper.py b/app/db/plugindata_oper.py
index 58f38184..4f2c29c0 100644
--- a/app/db/plugindata_oper.py
+++ b/app/db/plugindata_oper.py
@@ -43,16 +43,13 @@ class PluginDataOper(DbOper):
             return json.loads(data.value)
         return data.value
 
-    def del_data(self, plugin_id: str, key: str = None) -> Any:
+    def del_data(self, plugin_id: str, key: str) -> Any:
         """
         删除插件数据
         :param plugin_id: 插件id
         :param key: 数据key
         """
-        if key:
-            PluginData.del_plugin_data_by_key(self._db, plugin_id, key)
-        else:
-            PluginData.del_plugin_data_by_plugin_id(self._db, plugin_id)
+        PluginData.del_plugin_data_by_key(self._db, plugin_id, key)
 
     def truncate(self):
         """
diff --git a/app/db/systemconfig_oper.py b/app/db/systemconfig_oper.py
index 2ccb1e81..f4ef206f 100644
--- a/app/db/systemconfig_oper.py
+++ b/app/db/systemconfig_oper.py
@@ -3,7 +3,6 @@ from typing import Any, Union
 
 from app.db import DbOper, SessionFactory
 from app.db.models.systemconfig import SystemConfig
-from app.db.plugindata_oper import PluginDataOper
 from app.schemas.types import SystemConfigKey
 from app.utils.object import ObjectUtils
 from app.utils.singleton import Singleton
@@ -18,11 +17,8 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
         加载配置到内存
         """
         self._db = SessionFactory()
-        self._syscomconfig = SystemConfig()
-        # 插件数据
-        self.plugindata = PluginDataOper(self._db)
         super().__init__(self._db)
-        for item in self._syscomconfig.list(self._db):
+        for item in SystemConfig.list(self._db):
             if ObjectUtils.is_obj(item.value):
                 self.__SYSTEMCONF[item.key] = json.loads(item.value)
             else:
@@ -41,7 +37,7 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
             value = json.dumps(value)
         elif value is None:
             value = ''
-        conf = self._syscomconfig.get_by_key(self._db, key)
+        conf = SystemConfig.get_by_key(self._db, key)
         if conf:
             if value:
                 conf.update(self._db, {"value": value})
@@ -61,17 +57,6 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
             return self.__SYSTEMCONF
         return self.__SYSTEMCONF.get(key)
 
-    def delete_by_key(self, key: str = None) -> Any:
-        """
-        删除系统设置
-        """
-        if self.__SYSTEMCONF.get(f"plugin.{key}"):
-            del self.__SYSTEMCONF[f"plugin.{key}"]
-        # 删除系统配置
-        self._syscomconfig.delete_by_key(db=self._db, key=f"plugin.{key}")
-        # 删除插件数据
-        self.plugindata.del_data(plugin_id=key)
-
     def __del__(self):
         if self._db:
             self._db.close()