diff --git a/lagrange/client/client.py b/lagrange/client/client.py
index 5b48c73..66f32b7 100644
--- a/lagrange/client/client.py
+++ b/lagrange/client/client.py
@@ -16,7 +16,7 @@
 from lagrange.info import AppInfo, DeviceInfo, SigInfo
 from lagrange.pb.message.msg_push import MsgPushBody
 from lagrange.pb.message.send import SendMsgRsp
-from lagrange.pb.service.comm import SendNudge
+from lagrange.pb.service.comm import SendGrpBotHD, SendNudge
 from lagrange.pb.service.friend import (
     GetFriendListRsp,
     GetFriendListUin,
@@ -559,3 +559,21 @@ async def get_user_info(
             return UserInfo.from_pb(rsp.body[0])
         else:
             return [UserInfo.from_pb(body) for body in rsp.body]
+
+    async def set_grp_bot_hd(
+        self, grp_id: int, bot_id: int, data_1: str = "", data_2: str = ""
+    ):
+        await self.send_oidb_svc(
+            0x112E,
+            1,
+            SendGrpBotHD(
+                grp_id=grp_id, bot_id=bot_id, B_id=data_1, B_data=data_2
+            ).encode(),
+        )
+
+    async def set_c2c_bot_hd(self, bot_id: int, data_1: str = "", data_2: str = ""):
+        await self.send_oidb_svc(
+            0x112E,
+            1,
+            SendGrpBotHD(bot_id=bot_id, B_id=data_1, B_data=data_2).encode(),
+        )
diff --git a/lagrange/pb/service/comm.py b/lagrange/pb/service/comm.py
index 7dda6d3..00da058 100644
--- a/lagrange/pb/service/comm.py
+++ b/lagrange/pb/service/comm.py
@@ -11,3 +11,13 @@ class SendNudge(ProtoStruct):
     to_grp: Optional[int] = proto_field(2)
     to_uin: Optional[int] = proto_field(5)
     field6: int = proto_field(6, default=0)
+
+
+class SendGrpBotHD(ProtoStruct):
+    bot_id: int = proto_field(3)
+    seq: int = proto_field(4, default=111111)  # nobody care
+    B_id: str = proto_field(5, default="")  # set button_id
+    B_data: str = proto_field(6, default="")  # set button_data
+    IDD: int = proto_field(7, default=0)
+    grp_id: int = proto_field(8, default=None)
+    grp_type: int = proto_field(9, default=0)  # 0guild 1grp 2C2C(need grp_id==None)