diff --git a/src/recv_handler/__init__.py b/src/recv_handler/__init__.py
index f8904ee..e4c9744 100644
--- a/src/recv_handler/__init__.py
+++ b/src/recv_handler/__init__.py
@@ -41,6 +41,7 @@ class NoticeType:  # 通知事件
 
     class Notify:
         poke = "poke"  # 戳一戳
+        group_name = "group_name"  # 群名称变更
 
     class GroupBan:
         ban = "ban"  # 禁言
diff --git a/src/recv_handler/message_handler.py b/src/recv_handler/message_handler.py
index 10d01d8..d52d21a 100644
--- a/src/recv_handler/message_handler.py
+++ b/src/recv_handler/message_handler.py
@@ -8,6 +8,7 @@ from src.utils import (
     get_self_info,
     get_message_detail,
 )
+import base64
 from .qq_emoji_list import qq_face
 from .message_sending import message_send_instance
 from . import RealMessageType, MessageType, ACCEPT_FORMAT
@@ -509,8 +510,22 @@ class MessageHandler:
             if app == "com.tencent.mannounce":
                 meta = parsed_json.get("meta", {})
                 mannounce = meta.get("mannounce", {})
-                title = mannounce.get("title", "")
-                text = mannounce.get("text", "")
+                title_encoded = mannounce.get("title", "")
+                text_encoded = mannounce.get("text", "")
+                
+                # 解码Base64编码的标题和内容
+                title = ""
+                text = ""
+                try:
+                    if title_encoded:
+                        title = base64.b64decode(title_encoded).decode("utf-8")
+                    if text_encoded:
+                        text = base64.b64decode(text_encoded).decode("utf-8")
+                except Exception as e:
+                    logger.warning(f"群公告Base64解码失败: {e}")
+                    # 降级使用原始值
+                    title = title_encoded
+                    text = text_encoded
                 
                 # 构建群公告文本
                 announce_text = "[群公告]"
diff --git a/src/recv_handler/notice_handler.py b/src/recv_handler/notice_handler.py
index 2915241..1c9ea5d 100644
--- a/src/recv_handler/notice_handler.py
+++ b/src/recv_handler/notice_handler.py
@@ -105,6 +105,12 @@ class NoticeHandler:
                             handled_message, user_info = await self.handle_poke_notify(raw_message, group_id, user_id)
                         else:
                             logger.warning("戳一戳消息被禁用，取消戳一戳处理")
+                    case NoticeType.Notify.group_name:
+                        if not await message_handler.check_allow_to_chat(user_id, group_id, True, False):
+                            return None
+                        logger.info("处理群名称变更")
+                        handled_message, user_info = await self.handle_group_name_notify(raw_message, group_id, user_id)
+                        system_notice = True
                     case _:
                         logger.warning(f"不支持的notify类型: {notice_type}.{sub_type}")
             case NoticeType.group_ban:
@@ -1111,5 +1117,47 @@ class NoticeHandler:
 
         return notify_seg, user_info
 
+    async def handle_group_name_notify(
+        self, raw_message: dict, group_id: int, user_id: int
+    ) -> Tuple[Seg | None, UserInfo | None]:
+        """
+        处理群名称变更通知
+        """
+        new_name = raw_message.get("name_new")
+
+        if not new_name:
+            logger.warning("群名称变更通知缺少新名称")
+            return None, None
+
+        # 获取操作者信息
+        user_info_dict: dict = await get_member_info(self.server_connection, group_id, user_id)
+        if user_info_dict:
+            user_name = user_info_dict.get("nickname")
+            user_cardname = user_info_dict.get("card")
+        else:
+            logger.warning("无法获取修改群名称的用户信息")
+            user_name = "QQ用户"
+            user_cardname = None
+
+        user_info = UserInfo(
+            platform=global_config.maibot_server.platform_name,
+            user_id=user_id,
+            user_nickname=user_name,
+            user_cardname=user_cardname,
+        )
+
+        action_text = f"修改群名称为: {new_name}"
+
+        notify_seg = Seg(
+            type="notify",
+            data={
+                "sub_type": "group_name",
+                "action": action_text,
+                "new_name": new_name,
+            },
+        )
+
+        return notify_seg, user_info
+
 
 notice_handler = NoticeHandler()
diff --git a/src/send_handler/send_message_handler.py b/src/send_handler/send_message_handler.py
index 089353b..b5c70f5 100644
--- a/src/send_handler/send_message_handler.py
+++ b/src/send_handler/send_message_handler.py
@@ -54,8 +54,8 @@ class SendMessageHandleClass:
             voice_url = seg.data
             new_payload = cls.build_payload(payload, cls.handle_voiceurl_message(voice_url), False)
         elif seg.type == "music":
-            song_id = seg.data
-            new_payload = cls.build_payload(payload, cls.handle_music_message(song_id), False)
+            music_data = seg.data
+            new_payload = cls.build_payload(payload, cls.handle_music_message(music_data), False)
         elif seg.type == "videourl":
             video_url = seg.data
             new_payload = cls.build_payload(payload, cls.handle_videourl_message(video_url), False)
@@ -170,12 +170,42 @@ class SendMessageHandleClass:
         }
 
     @staticmethod
-    def handle_music_message(song_id: str) -> dict:
-        """处理音乐消息"""
-        return {
-            "type": "music",
-            "data": {"type": "163", "id": song_id},
-        }
+    def handle_music_message(music_data) -> dict:
+        """
+        处理音乐消息
+        music_data 可以是：
+        1. 字符串：默认为网易云音乐ID
+        2. 字典：{"type": "163"/"qq", "id": "歌曲ID"}
+        """
+        # 兼容旧格式：直接传入歌曲ID字符串
+        if isinstance(music_data, str):
+            return {
+                "type": "music",
+                "data": {"type": "163", "id": music_data},
+            }
+        
+        # 新格式：字典包含平台和ID
+        if isinstance(music_data, dict):
+            platform = music_data.get("type", "163")  # 默认网易云
+            song_id = music_data.get("id", "")
+            
+            # 验证平台类型
+            if platform not in ["163", "qq"]:
+                logger.warning(f"不支持的音乐平台: {platform}，使用默认平台163")
+                platform = "163"
+            
+            # 确保ID是字符串
+            if not isinstance(song_id, str):
+                song_id = str(song_id)
+            
+            return {
+                "type": "music",
+                "data": {"type": platform, "id": song_id},
+            }
+        
+        # 其他情况返回空
+        logger.error(f"不支持的音乐数据格式: {type(music_data)}")
+        return {}
 
     @staticmethod
     def handle_videourl_message(video_url: str) -> dict: