diff --git a/src/nonebot_plugin_parser/parsers/bilibili/__init__.py b/src/nonebot_plugin_parser/parsers/bilibili/__init__.py
index bc534850..9561ef4e 100644
--- a/src/nonebot_plugin_parser/parsers/bilibili/__init__.py
+++ b/src/nonebot_plugin_parser/parsers/bilibili/__init__.py
@@ -41,6 +41,7 @@ class BilibiliParser(BaseParser):
     platform: ClassVar[Platform] = Platform(name=PlatformEnum.BILIBILI, display_name="哔哩哔哩")
 
     def __init__(self):
+        super().__init__()
         self.headers = HEADERS.copy()
         self._credential: Credential | None = None
         self._cookies_file = pconfig.config_dir / "bilibili_cookies.json"
diff --git a/src/nonebot_plugin_parser/parsers/twitter.py b/src/nonebot_plugin_parser/parsers/twitter.py
index 440608eb..2ccd070a 100644
--- a/src/nonebot_plugin_parser/parsers/twitter.py
+++ b/src/nonebot_plugin_parser/parsers/twitter.py
@@ -57,6 +57,10 @@ def name(self) -> str:
 class TwitterParser(BaseParser):
     platform: ClassVar[Platform] = Platform(name=PlatformEnum.TWITTER, display_name="小蓝鸟")
 
+    def __init__(self):
+        super().__init__()
+        self.headers = {"User-Agent": "python-httpx/0.28.1"}
+
     @handle("x.com", r"x.com/[0-9-a-zA-Z_]{1,20}/status/([0-9]+)")
     async def _parse(self, searched: re.Match[str]) -> ParseResult:
         url = f"https://{searched.group(0)}"