diff --git a/requirements.dev.txt b/requirements.dev.txt
new file mode 100644
index 0000000..ee4ba01
--- /dev/null
+++ b/requirements.dev.txt
@@ -0,0 +1,2 @@
+pytest
+pytest-asyncio
diff --git a/src/api/hoyolab.py b/src/api/hoyolab.py
index 26682df..3f8e982 100644
--- a/src/api/hoyolab.py
+++ b/src/api/hoyolab.py
@@ -25,29 +25,6 @@ class Hoyolab:
             "X-Rpc-Language": lang,
         }
 
-    @staticmethod
-    def get_images_params(
-        resize: int = 600,
-        quality: int = 80,
-        auto_orient: int = 0,
-        interlace: int = 1,
-        images_format: str = "jpg",
-    ) -> str:
-        """
-        image/resize,s_600/quality,q_80/auto-orient,0/interlace,1/format,jpg
-        :param resize: 图片大小
-        :param quality: 图片质量
-        :param auto_orient: 自适应
-        :param interlace: 未知
-        :param images_format: 图片格式
-        :return:
-        """
-        params = (
-            f"image/resize,s_{resize}/quality,q_{quality}/auto-orient,"
-            f"{auto_orient}/interlace,{interlace}/format,{images_format}"
-        )
-        return f"?x-oss-process={params}"
-
     async def get_news_recommend(
         self, gids: int, page_size: int = 3, type_: int = 1
     ) -> List[PostRecommend]:
diff --git a/src/api/httpxrequest.py b/src/api/httpxrequest.py
index 0eb6f91..5bdcbd1 100644
--- a/src/api/httpxrequest.py
+++ b/src/api/httpxrequest.py
@@ -1,7 +1,3 @@
-from contextlib import AbstractAsyncContextManager
-from types import TracebackType
-from typing import Optional, Type
-
 import httpx
 
 __all__ = ("HTTPXRequest",)
@@ -16,30 +12,10 @@ timeout = httpx.Timeout(
 )
 
 
-class HTTPXRequest(AbstractAsyncContextManager):
+class HTTPXRequest:
     def __init__(self, *args, headers=None, **kwargs):
         self._client = httpx.AsyncClient(headers=headers, *args, **kwargs)
 
-    async def __aenter__(self):
-        try:
-            await self.initialize()
-            return self
-        except Exception as exc:
-            await self.shutdown()
-            raise exc
-
-    async def __aexit__(
-        self,
-        exc_type: Optional[Type[BaseException]],
-        exc_val: Optional[BaseException],
-        exc_tb: Optional[TracebackType],
-    ) -> None:
-        await self.initialize()
-
-    async def initialize(self):
-        if self._client.is_closed:
-            self._client = httpx.AsyncClient(timeout=timeout)
-
     async def shutdown(self):
         if self._client.is_closed:
             return
diff --git a/src/api/hyperionrequest.py b/src/api/hyperionrequest.py
index 805aad0..b070451 100644
--- a/src/api/hyperionrequest.py
+++ b/src/api/hyperionrequest.py
@@ -48,41 +48,3 @@ class HyperionRequest(HTTPXRequest):
         if not re_json_data and data is not None:
             return data
         return json_data
-
-    async def post(
-        self,
-        url: str,
-        *args,
-        de_json: bool = True,
-        re_json_data: bool = False,
-        **kwargs,
-    ) -> Union[POST_DATA, JSON_DATA, Response]:
-        try:
-            response = await self._client.post(url=url, *args, **kwargs)
-        except httpx.TimeoutException as err:
-            raise APIHelperTimedOut from err
-        except httpx.HTTPError as exc:
-            raise NetworkException(
-                f"Unknown error in HTTP implementation: {repr(exc)}"
-            ) from exc
-        if response.is_error:
-            raise ResponseException(
-                message=f"response error in status code: {response.status_code}"
-            )
-        if not de_json:
-            return response
-        json_data = response.json()
-        return_code = json_data.get("retcode", None)
-        data = json_data.get("data", None)
-        message = json_data.get("message", None)
-        if return_code is None:
-            return json_data
-        if return_code != 0:
-            if message is None:
-                raise ResponseException(
-                    message=f"response error in return code: {return_code}"
-                )
-            raise ResponseException(response=json_data)
-        if not re_json_data and data is not None:
-            return data
-        return json_data
diff --git a/src/utils/__init__.py b/src/utils/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/utils/article.py b/src/utils/article.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/test_app.py b/tests/test_app.py
new file mode 100644
index 0000000..fd95d66
--- /dev/null
+++ b/tests/test_app.py
@@ -0,0 +1,10 @@
+import pytest
+
+from main import main
+
+
+@pytest.mark.asyncio
+class TestAPP:
+    @staticmethod
+    async def test_app():
+        assert main is not None
diff --git a/tests/test_hoyolab_article.py b/tests/test_hoyolab_article.py
new file mode 100644
index 0000000..0a7ac09
--- /dev/null
+++ b/tests/test_hoyolab_article.py
@@ -0,0 +1,46 @@
+import pytest
+
+from src.render.article_hoyolab import process_article, refresh_hoyo_recommend_posts
+
+
+@pytest.mark.asyncio
+class TestHoyolabArticle:
+    @staticmethod
+    async def test_refresh_recommend_posts():
+        await refresh_hoyo_recommend_posts()
+
+    @staticmethod
+    async def test_get_hoyo_article():
+        content = await process_article(21097937, lang="zh")
+        assert content is not None
+        assert "【有奖活动】枫丹冒险之旅，参与赢原石等奖励" in content
+        assert (
+            "2023/08/22/cabb57e3aab8e212c035ee5dcca79540_7635259955618222979" in content
+        )
+        assert "参与资格（仅针对现金奖励）" in content
+
+    @staticmethod
+    async def test_get_hoyo_lang_article():
+        content = await process_article(21124034, lang="en")
+        assert content is not None
+        assert (
+            '"A Journey of Art and Heritage" - Adeptal Tales: Longquan Celadon | Genshin Impact'
+            in content
+        )
+        assert "The people of Liyue love drinking tea." in content
+
+    @staticmethod
+    async def test_get_hoyo_video_article():
+        content = await process_article(21124034, "zh-cn")
+        assert content is not None
+        assert "《原神》「流光拾遗之旅」——仙闻篇·龙泉青瓷" in content
+        assert "7Tuq-ritxJE" in content
+        assert "璃月人爱喝茶，用青色茶盏盛一碗茶汤，茶香似乎都变得更悠长。" in content
+
+    @staticmethod
+    async def test_get_hoyo_big_video_article():
+        content = await process_article(17958970, "zh-cn")
+        assert content is not None
+        assert "Spiral-Abyss-3.6 甘雨暴风雪 & 融甘视频 （面板置放2和3楼）" in content
+        assert "0jVRnQHwQ_g" in content
+        assert "这次的都是用加HP%加充能和E技能伤害没和伤害直接挂钩的buff" in content
diff --git a/tests/test_mys_article.py b/tests/test_mys_article.py
new file mode 100644
index 0000000..9b5fe05
--- /dev/null
+++ b/tests/test_mys_article.py
@@ -0,0 +1,54 @@
+import pytest
+
+from src.error import ArticleNotFoundError
+from src.render.article import process_article, refresh_recommend_posts
+
+
+@pytest.mark.asyncio
+class TestMYSArticle:
+    @staticmethod
+    async def test_refresh_recommend_posts():
+        await refresh_recommend_posts()
+
+    @staticmethod
+    async def test_get_mys_empty_gids():
+        with pytest.raises(ArticleNotFoundError) as e:
+            await process_article("", 0)
+        assert e is not None
+
+    @staticmethod
+    async def test_get_mys_text_article():
+        content = await process_article("ys", 42017325)
+        assert content is not None
+        assert "原神文本整理（二十二）大赤沙海元能尖碑《依稀可以辨认的铭文》" in content
+        assert "总之有错可以随时提出，会改的。" in content
+
+    @staticmethod
+    async def test_get_mys_image_article():
+        content = await process_article("ys", 42776789)
+        assert content is not None
+        assert "「绘知万物」——原神×知乎 网页答题活动现已开启" in content
+        assert (
+            "2023/08/25/75276539/f3b7c0ba388fddc603b4a76ea40d189d_6483724820064288526"
+            in content
+        )
+        assert "本次活动资源较大" in content
+
+    @staticmethod
+    async def test_get_mys_big_image_article():
+        content = await process_article("ys", 42643916)
+        assert content is not None
+        assert "居民委托" in content
+        assert (
+            "2023/08/21/100413398/fb66b26e0143da46181d40acfee9a5aa_6628603726056742795"
+            in content
+        )
+        assert "是居民声望委托！！！不是日常任务，更没有成就。" in content
+
+    @staticmethod
+    async def test_get_mys_video_article():
+        content = await process_article("ys", 42711525)
+        assert content is not None
+        assert "《原神》枫丹实机画面展示片｜Gamescom 2023" in content
+        assert "o4zAkZfsgYrL5akr9FTELBfEpurIEDQPgkGCUA" in content
+        assert "《原神》枫丹实机画面展示，踏上新的旅途。" in content