diff --git a/api/chat.py b/api/chat.py
index c14f123..e02f3c1 100644
--- a/api/chat.py
+++ b/api/chat.py
@@ -306,7 +306,14 @@ class RoomInfoHandler(api.base.ApiHandler):  # noqa
     async def _get_room_info(room_id):
         try:
             async with utils.request.http_session.get(
-                blivedm_client.ROOM_INIT_URL, params={'room_id': room_id}
+                blivedm_client.ROOM_INIT_URL,
+                headers={
+                    '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'
+                },
+                params={
+                    'room_id': room_id
+                }
             ) as res:
                 if res.status != 200:
                     logger.warning('room=%d _get_room_info failed: %d %s', room_id,
diff --git a/blivedm b/blivedm
index d8f7f6b..2cca735 160000
--- a/blivedm
+++ b/blivedm
@@ -1 +1 @@
-Subproject commit d8f7f6b7828069cb6c1fd13f756cfd891f0b1a46
+Subproject commit 2cca7354b1e4e1376d66a4d442480d56e7d5e22f
diff --git a/services/avatar.py b/services/avatar.py
index 9ce1117..e47d332 100644
--- a/services/avatar.py
+++ b/services/avatar.py
@@ -148,7 +148,14 @@ async def _get_avatar_url_from_web_coroutine(user_id, future):
 async def _do_get_avatar_url_from_web(user_id):
     try:
         async with utils.request.http_session.get(
-            'https://api.bilibili.com/x/space/acc/info', params={'mid': user_id}
+            'https://api.bilibili.com/x/space/acc/info',
+            headers={
+                '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'
+            },
+            params={
+                'mid': user_id
+            }
         ) as r:
             if r.status != 200:
                 logger.warning('Failed to fetch avatar: status=%d %s uid=%d', r.status, r.reason, user_id)
diff --git a/services/translate.py b/services/translate.py
index 45ad88e..b97b197 100644
--- a/services/translate.py
+++ b/services/translate.py
@@ -424,6 +424,10 @@ class BilibiliTranslateFree(FlowControlTranslateProvider):
         try:
             async with utils.request.http_session.get(
                 'https://api.live.bilibili.com/av/v1/SuperChat/messageTranslate',
+                headers={
+                    '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'
+                },
                 params={
                     'room_id': '21396545',
                     'ruid': '407106379',