diff --git a/tests/builtin_plugins/plugin_store/test_add_plugin.py b/tests/builtin_plugins/plugin_store/test_add_plugin.py
index c6b9aaa2..9d26062f 100644
--- a/tests/builtin_plugins/plugin_store/test_add_plugin.py
+++ b/tests/builtin_plugins/plugin_store/test_add_plugin.py
@@ -43,17 +43,6 @@ def init_mocked_api(mocked_api: MockRouter) -> None:
     ).respond(content=b"")
 
 
-def init_mocker(mocker: MockerFixture, tmp_path: Path) -> None:
-    mocker.patch(
-        "zhenxun.builtin_plugins.plugin_store.data_source.BASE_PATH",
-        return_value=tmp_path / "zhenxun",
-    )
-    mocker.patch(
-        "zhenxun.builtin_plugins.plugin_store.data_source.install_requirement",
-        return_value=None,
-    )
-
-
 async def test_add_plugin_basic(
     app: App,
     mocker: MockerFixture,
@@ -67,7 +56,10 @@ async def test_add_plugin_basic(
     from zhenxun.builtin_plugins.plugin_store import _matcher
 
     init_mocked_api(mocked_api)
-    init_mocker(mocker, tmp_path)
+    mocker.patch(
+        "zhenxun.builtin_plugins.plugin_store.data_source.BASE_PATH",
+        return_value=tmp_path / "zhenxun",
+    )
 
     plugin_id = 1
 
@@ -114,8 +106,11 @@ async def test_add_plugin_extra(
     """
     from zhenxun.builtin_plugins.plugin_store import _matcher
 
-    init_mocker(mocker, tmp_path)
     init_mocked_api(mocked_api)
+    mocker.patch(
+        "zhenxun.builtin_plugins.plugin_store.data_source.BASE_PATH",
+        return_value=tmp_path / "zhenxun",
+    )
 
     plugin_id = 3
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 721f2531..173b1bff 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,5 @@
 import json
 from pathlib import Path
-from typing import TYPE_CHECKING
 from collections.abc import Callable
 
 import pytest
@@ -13,8 +12,6 @@ from nonebug.mixin.process import MatcherContext
 
 from tests.config import BotId, UserId
 
-if TYPE_CHECKING:
-    pass
 nonebot.load_plugin("nonebot_plugin_session")
 
 
diff --git a/tests/utils.py b/tests/utils.py
index 76bbdaad..5988fbae 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -6,13 +6,19 @@ from nonebot.adapters.onebot.v11 import Message, MessageSegment, GroupMessageEve
 
 
 def get_response_json(path: str) -> dict:
-    return json.loads(
-        (Path(__file__).parent / "response" / path).read_text(encoding="utf8")
-    )
+    try:
+        return json.loads(
+            (Path(__file__).parent / "response" / path).read_text(encoding="utf8")
+        )
+    except (FileNotFoundError, json.JSONDecodeError) as e:
+        raise ValueError(f"Error reading or parsing JSON file: {e}") from e
 
 
 def get_content_bytes(path: str) -> bytes:
-    return (Path(__file__).parent / "content" / path).read_bytes()
+    try:
+        return (Path(__file__).parent / "content" / path).read_bytes()
+    except FileNotFoundError as e:
+        raise ValueError(f"Error reading file: {e}") from e
 
 
 def _v11_group_message_event(
diff --git a/zhenxun/builtin_plugins/plugin_store/data_source.py b/zhenxun/builtin_plugins/plugin_store/data_source.py
index bc8ff412..0eaebb5f 100644
--- a/zhenxun/builtin_plugins/plugin_store/data_source.py
+++ b/zhenxun/builtin_plugins/plugin_store/data_source.py
@@ -86,8 +86,8 @@ async def download_file(url: str, _is: bool = False, api_url: str | None = None)
     for download_url, path in data_list:
         if download_url and "." in path:
             logger.debug(f"下载文件: {path}", "插件管理")
-            base_path = "zhenxun/plugins/" if _is else "zhenxun/"
-            file = Path(f"{base_path}{path}")
+            base_path = BASE_PATH / "plugins" if _is else BASE_PATH
+            file = base_path / path
             file.parent.mkdir(parents=True, exist_ok=True)
             r = await AsyncHttpx.get(download_url)
             if r.status_code != 200: