diff --git a/nonebot_plugin_tetris_stats/db/models.py b/nonebot_plugin_tetris_stats/db/models.py
index 37fdfce..b13eb2b 100644
--- a/nonebot_plugin_tetris_stats/db/models.py
+++ b/nonebot_plugin_tetris_stats/db/models.py
@@ -1,4 +1,5 @@
 from datetime import datetime
+from typing import Any
 
 from nonebot.adapters import Message
 from nonebot_plugin_orm import Model
@@ -13,13 +14,17 @@ from ..utils.typing import CommandType, GameType
 class PydanticType(TypeDecorator):
     impl = JSON
 
-    def process_bind_param(self, value: BaseModel, dialect: Dialect) -> str:
+    def process_bind_param(self, value: Any | None, dialect: Dialect) -> str:  # noqa: ANN401
         # 将 Pydantic 模型实例转换为 JSON
-        return value.json()
+        if isinstance(value, BaseModel):
+            return value.json()
+        raise TypeError
 
-    def process_result_value(self, value: str, dialect: Dialect) -> BaseModel:
+    def process_result_value(self, value: Any | None, dialect: Dialect) -> BaseModel:  # noqa: ANN401
         # 将 JSON 转换回 Pydantic 模型实例
-        return BaseModel.parse_raw(value)
+        if isinstance(value, str | bytes):
+            return BaseModel.parse_raw(value)
+        raise TypeError
 
 
 class Bind(MappedAsDataclass, Model):
diff --git a/nonebot_plugin_tetris_stats/game_data_processor/schemas.py b/nonebot_plugin_tetris_stats/game_data_processor/schemas.py
index 4327a79..752c06e 100644
--- a/nonebot_plugin_tetris_stats/game_data_processor/schemas.py
+++ b/nonebot_plugin_tetris_stats/game_data_processor/schemas.py
@@ -1,5 +1,4 @@
 from abc import ABC, abstractmethod
-from typing import Self
 
 from pydantic import BaseModel
 
@@ -7,8 +6,10 @@ from pydantic import BaseModel
 class BaseUser(ABC, BaseModel):
     """游戏用户"""
 
-    def __eq__(self, __value: Self) -> bool:
-        return self.unique_identifier == __value.unique_identifier
+    def __eq__(self, __value: object) -> bool:
+        if isinstance(__value, BaseUser):
+            return self.unique_identifier == __value.unique_identifier
+        return False
 
     @property
     @abstractmethod