diff --git a/blivedm/clients/web.py b/blivedm/clients/web.py
index e62313e..f9da291 100644
--- a/blivedm/clients/web.py
+++ b/blivedm/clients/web.py
@@ -8,6 +8,7 @@ import aiohttp
 import yarl
 
 from . import ws_base
+from .. import utils
 
 __all__ = (
     'BLiveClient',
@@ -15,10 +16,6 @@ __all__ = (
 
 logger = logging.getLogger('blivedm')
 
-USER_AGENT = (
-    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36'
-)
-
 UID_INIT_URL = 'https://api.bilibili.com/x/web-interface/nav'
 BUVID_INIT_URL = 'https://data.bilibili.com/v/'
 ROOM_INIT_URL = 'https://api.live.bilibili.com/xlive/web-room/v1/index/getInfoByRoom'
@@ -123,7 +120,7 @@ class BLiveClient(ws_base.WebSocketClientBase):
         try:
             async with self._session.get(
                 UID_INIT_URL,
-                headers={'User-Agent': USER_AGENT},
+                headers={'User-Agent': utils.USER_AGENT},
                 ssl=self._ssl
             ) as res:
                 if res.status != 200:
@@ -162,7 +159,7 @@ class BLiveClient(ws_base.WebSocketClientBase):
         try:
             async with self._session.get(
                 BUVID_INIT_URL,
-                headers={'User-Agent': USER_AGENT},
+                headers={'User-Agent': utils.USER_AGENT},
                 ssl=self._ssl
             ) as res:
                 if res.status != 200:
@@ -176,7 +173,7 @@ class BLiveClient(ws_base.WebSocketClientBase):
         try:
             async with self._session.get(
                 ROOM_INIT_URL,
-                headers={'User-Agent': USER_AGENT},
+                headers={'User-Agent': utils.USER_AGENT},
                 params={
                     'room_id': self._tmp_room_id
                 },
@@ -209,7 +206,7 @@ class BLiveClient(ws_base.WebSocketClientBase):
         try:
             async with self._session.get(
                 DANMAKU_SERVER_CONF_URL,
-                headers={'User-Agent': USER_AGENT},
+                headers={'User-Agent': utils.USER_AGENT},
                 params={
                     'id': self._room_id,
                     'type': 0
diff --git a/blivedm/clients/ws_base.py b/blivedm/clients/ws_base.py
index 41495b9..b569e02 100644
--- a/blivedm/clients/ws_base.py
+++ b/blivedm/clients/ws_base.py
@@ -11,7 +11,7 @@ from typing import *
 import aiohttp
 import brotli
 
-from .. import handlers
+from .. import handlers, utils
 
 logger = logging.getLogger('blivedm')
 
@@ -259,6 +259,7 @@ class WebSocketClientBase:
                 # 连接
                 async with self._session.ws_connect(
                     self._get_ws_url(retry_count),
+                    headers={'User-Agent': utils.USER_AGENT},  # web端的token也会签名UA
                     receive_timeout=self._heartbeat_interval + 5,
                     ssl=self._ssl
                 ) as websocket:
diff --git a/blivedm/utils.py b/blivedm/utils.py
new file mode 100644
index 0000000..088aedb
--- /dev/null
+++ b/blivedm/utils.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+USER_AGENT = (
+    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36'
+)