diff --git a/utils/base.py b/utils/base.py
deleted file mode 100644
index a8da0a5..0000000
--- a/utils/base.py
+++ /dev/null
@@ -1,17 +0,0 @@
-from service import BaseService
-from telegram.ext import CallbackContext, ExtBot
-
-
-class PaimonContext(CallbackContext[ExtBot, dict, dict, dict]):
-    """自定义的PaimoeContext"""
-
-    @property
-    def service(self) -> BaseService:
-        """在回调中从 bot_data 获取 service 实例
-
-        :return: BaseService 实例
-        """
-        value = self.application.bot_data.get("service")
-        if value is None:
-            raise RuntimeError("没有找到与此上下文对象关联的实例化服务")
-        return value