diff --git a/plugins/AIChat/main.py b/plugins/AIChat/main.py
index 3d0bfa2..bd1d9af 100644
--- a/plugins/AIChat/main.py
+++ b/plugins/AIChat/main.py
@@ -53,7 +53,6 @@ class AIChat(PluginBase):
         self._chatroom_member_cache = {}  # {chatroom_id: (ts, {wxid: display_name})}
         self._chatroom_member_cache_locks = {}  # {chatroom_id: asyncio.Lock}
         self._chatroom_member_cache_ttl_seconds = 3600  # 群名片缓存1小时，减少协议 API 调用
-        self._intent_cache = {}  # {normalized_text: (ts, intent)}
 
     async def async_init(self):
         """插件异步初始化"""
@@ -887,6 +886,8 @@ class AIChat(PluginBase):
         # 清洗后为空时，不要回退到包含思维链标记的原文（避免把 <think>... 直接发出去）
         if strip_thinking and self._contains_thinking_markers(raw_stripped):
             return ""
+        if self._contains_tool_call_markers(raw_stripped):
+            return ""
         return raw_stripped
 
     def _contains_thinking_markers(self, text: str) -> bool:
@@ -946,6 +947,14 @@ class AIChat(PluginBase):
         )
         return marker_re.search(text) is not None
 
+    def _contains_tool_call_markers(self, text: str) -> bool:
+        if not text:
+            return False
+        lowered = text.lower()
+        if "<ctrl" in lowered or "展开阅读下文" in text:
+            return True
+        return bool(re.search(r"(?i)(tavilywebsearch|tavily_web_search|web_search)\\s*[\\{\\(]", text))
+
     def _extract_after_last_answer_marker(self, text: str) -> str | None:
         """从文本中抽取最后一个“最终/输出/答案”标记后的内容（不要求必须是编号大纲）。"""
         if not text:
@@ -1369,6 +1378,15 @@ class AIChat(PluginBase):
 
         return False
 
+    def _looks_like_lyrics_query(self, text: str) -> bool:
+        t = str(text or "").strip().lower()
+        if not t:
+            return False
+        return bool(re.search(
+            r"(歌词|歌名|哪首歌|哪一首歌|哪首歌曲|哪一首歌曲|谁的歌|谁唱|谁唱的|这句.*(歌|歌词)|这段.*(歌|歌词)|是什么歌|什么歌|是哪首歌|出自.*(歌|歌曲)|台词.*歌|lyric|lyrics)",
+            t,
+        ))
+
     def _extract_legacy_text_search_tool_call(self, text: str) -> tuple[str, dict] | None:
         """
         解析模型偶发输出的“文本工具调用”写法（例如 tavilywebsearch{query:...}），并转换为真实工具调用参数。
@@ -1405,6 +1423,27 @@ class AIChat(PluginBase):
 
         return tool_name, {"query": query[:400]}
 
+    def _should_allow_music_followup(self, messages: list, tool_calls_data: list) -> bool:
+        if not tool_calls_data:
+            return False
+
+        has_search_tool = any(
+            (tc or {}).get("function", {}).get("name", "") in ("tavily_web_search", "web_search")
+            for tc in (tool_calls_data or [])
+        )
+        if not has_search_tool:
+            return False
+
+        user_text = ""
+        for msg in reversed(messages or []):
+            if msg.get("role") == "user":
+                user_text = self._extract_text_from_multimodal(msg.get("content"))
+                break
+        if not user_text:
+            return False
+
+        return self._looks_like_lyrics_query(user_text)
+
     def _intent_to_allowed_tool_names(self, intent: str) -> set[str]:
         intent = str(intent or "").strip().lower()
         mapping = {
@@ -1603,51 +1642,8 @@ class AIChat(PluginBase):
         return intent
 
     async def _select_tools_for_message_async(self, tools: list, *, user_message: str, tool_query: str | None = None) -> list:
-        """
-        工具选择（支持意图路由）：
-        1) 先走现有 smart_select 规则（快）
-        2) 规则未命中且像信息查询时，走一次轻量 LLM 意图分类（慢但更准）
-        """
-        tools_config = (self.config or {}).get("tools", {})
-        if not tools_config.get("smart_select", False):
-            return tools
-
-        selected = self._select_tools_for_message(tools, user_message=user_message, tool_query=tool_query)
-        if selected:
-            return selected
-
-        intent_text = self._extract_tool_intent_text(user_message, tool_query=tool_query)
-        if not intent_text:
-            return []
-
-        if not self._should_run_intent_router(intent_text):
-            return []
-
-        intent = await self._classify_intent_with_llm(intent_text)
-        allow = self._intent_to_allowed_tool_names(intent)
-        if not allow:
-            return []
-
-        # 对“容易误触”的工具再做一次本地硬约束，避免分类器误判导致执行敏感动作
-        t = intent_text.lower()
-        if "register_city" in allow and not re.search(r"(注册|设置|更新|更换|修改|绑定|默认).{0,6}城市|城市.{0,6}(注册|设置|更新|更换|修改|绑定|默认)", t):
-            allow.discard("register_city")
-        if "user_signin" in allow and not re.search(r"(用户签到|签到|签个到)", t):
-            allow.discard("user_signin")
-        if "check_profile" in allow and not re.search(r"(个人信息|我的信息|我的积分|查积分|积分多少|连续签到|连签|我的资料)", t):
-            allow.discard("check_profile")
-        if "get_fabing" in allow and not re.search(r"(发病文学|犯病文学|发病文|犯病文|发病语录|犯病语录|发病一下|犯病一下)", t):
-            allow.discard("get_fabing")
-
-        if not allow:
-            return []
-
-        result = []
-        for tool in tools or []:
-            name = tool.get("function", {}).get("name", "")
-            if name and name in allow:
-                result.append(tool)
-        return result
+        """工具选择（与旧版一致，仅使用规则筛选）"""
+        return self._select_tools_for_message(tools, user_message=user_message, tool_query=tool_query)
 
     def _select_tools_for_message(self, tools: list, *, user_message: str, tool_query: str | None = None) -> list:
         tools_config = (self.config or {}).get("tools", {})
@@ -1695,6 +1691,9 @@ class AIChat(PluginBase):
         ):
             allow.add("tavily_web_search")
             allow.add("web_search")
+        if self._looks_like_lyrics_query(intent_text):
+            allow.add("tavily_web_search")
+            allow.add("web_search")
         if re.search(r"(60秒|每日新闻|早报|新闻图片|读懂世界)", t):
             allow.add("get_daily_news")
         if re.search(r"(epic|喜加一|免费游戏)", t):
@@ -2556,6 +2555,63 @@ class AIChat(PluginBase):
                                     }
                                 ]
 
+                    if not tool_calls_data and allowed_tool_names and full_content:
+                        if self._contains_tool_call_markers(full_content):
+                            fallback_tool = None
+                            if "tavily_web_search" in allowed_tool_names:
+                                fallback_tool = "tavily_web_search"
+                            elif "web_search" in allowed_tool_names:
+                                fallback_tool = "web_search"
+
+                            if fallback_tool:
+                                fallback_query = self._extract_tool_intent_text(user_message, tool_query=tool_query) or user_message
+                                fallback_query = str(fallback_query or "").strip()
+                                if fallback_query:
+                                    logger.warning(f"检测到文本工具调用但未解析成功，已兜底调用: {fallback_tool}")
+                                    try:
+                                        if bot and from_wxid:
+                                            await bot.send_text(from_wxid, "我帮你查一下，稍等。")
+                                    except Exception:
+                                        pass
+                                    tool_calls_data = [
+                                        {
+                                            "id": f"fallback_{uuid.uuid4().hex[:8]}",
+                                            "type": "function",
+                                            "function": {
+                                                "name": fallback_tool,
+                                                "arguments": json.dumps({"query": fallback_query[:400]}, ensure_ascii=False),
+                                            },
+                                        }
+                                    ]
+
+                    if not tool_calls_data and allowed_tool_names and self._looks_like_lyrics_query(user_message):
+                        fallback_tool = None
+                        if "tavily_web_search" in allowed_tool_names:
+                            fallback_tool = "tavily_web_search"
+                        elif "web_search" in allowed_tool_names:
+                            fallback_tool = "web_search"
+
+                        if fallback_tool:
+                            fallback_query = self._extract_tool_intent_text(user_message, tool_query=tool_query) or user_message
+                            fallback_query = str(fallback_query or "").strip()
+                            if fallback_query:
+                                logger.warning(f"歌词检索未触发工具，已兜底调用: {fallback_tool}")
+                                try:
+                                    if bot and from_wxid:
+                                        await bot.send_text(from_wxid, "我帮你查一下这句歌词，稍等。")
+                                except Exception:
+                                    pass
+                                tool_calls_data = [
+                                    {
+                                        "id": f"lyrics_{uuid.uuid4().hex[:8]}",
+                                        "type": "function",
+                                        "function": {
+                                            "name": fallback_tool,
+                                            "arguments": json.dumps({"query": fallback_query[:400]}, ensure_ascii=False),
+                                        },
+                                    }
+                                ]
+
                     logger.info(f"流式 API 响应完成, 内容长度: {len(full_content)}, 工具调用数: {len(tool_calls_data)}")
 
                     # 检查是否有函数调用
@@ -2861,7 +2917,7 @@ class AIChat(PluginBase):
                 # 如果有需要 AI 回复的工具结果，调用 AI 继续对话
                 if need_ai_reply_results:
                     await self._continue_with_tool_results(
-                        need_ai_reply_results, bot, from_wxid, chat_id,
+                        need_ai_reply_results, bot, from_wxid, user_wxid, chat_id,
                         nickname, is_group, messages, tool_calls_data
                     )
 
@@ -2877,7 +2933,7 @@ class AIChat(PluginBase):
                 pass
 
     async def _continue_with_tool_results(self, tool_results: list, bot, from_wxid: str,
-                                           chat_id: str, nickname: str, is_group: bool,
+                                           user_wxid: str, chat_id: str, nickname: str, is_group: bool,
                                            messages: list, tool_calls_data: list):
         """
         基于工具结果继续调用 AI 对话（保留上下文和人设）
@@ -2925,9 +2981,17 @@ class AIChat(PluginBase):
                     "content": tr["result"]
                 })
 
-            # 3. 调用 AI 继续对话（不带 tools 参数，避免再次调用工具）
+            # 3. 调用 AI 继续对话（默认不带 tools 参数，歌词搜歌场景允许放开 search_music）
             api_config = self.config["api"]
             proxy_config = self.config.get("proxy", {})
+            user_wxid = user_wxid or from_wxid
+
+            followup_tools = []
+            if self._should_allow_music_followup(messages, tool_calls_data):
+                followup_tools = [
+                    t for t in (self._collect_tools() or [])
+                    if (t.get("function", {}).get("name") == "search_music")
+                ]
 
             payload = {
                 "model": api_config["model"],
@@ -2935,6 +2999,8 @@ class AIChat(PluginBase):
                 "max_tokens": api_config.get("max_tokens", 4096),
                 "stream": True
             }
+            if followup_tools:
+                payload["tools"] = followup_tools
 
             headers = {
                 "Content-Type": "application/json",
@@ -2965,6 +3031,7 @@ class AIChat(PluginBase):
 
                     # 流式读取响应
                     full_content = ""
+                    tool_calls_dict = {}
                     async for line in resp.content:
                         line = line.decode("utf-8").strip()
                         if not line or not line.startswith("data: "):
@@ -2978,9 +3045,52 @@ class AIChat(PluginBase):
                             content = delta.get("content", "")
                             if content:
                                 full_content += content
+                            if delta.get("tool_calls"):
+                                for tool_call_delta in delta["tool_calls"]:
+                                    index = tool_call_delta.get("index", 0)
+                                    if index not in tool_calls_dict:
+                                        tool_calls_dict[index] = {
+                                            "id": "",
+                                            "type": "function",
+                                            "function": {
+                                                "name": "",
+                                                "arguments": "",
+                                            },
+                                        }
+                                    if "id" in tool_call_delta:
+                                        tool_calls_dict[index]["id"] = tool_call_delta["id"]
+                                    if "type" in tool_call_delta:
+                                        tool_calls_dict[index]["type"] = tool_call_delta["type"]
+                                    if "function" in tool_call_delta:
+                                        func_delta = tool_call_delta["function"]
+                                        if "name" in func_delta:
+                                            tool_calls_dict[index]["function"]["name"] += func_delta["name"]
+                                        if "arguments" in func_delta:
+                                            tool_calls_dict[index]["function"]["arguments"] += func_delta["arguments"]
                         except:
                             continue
 
+                    tool_calls_data = [tool_calls_dict[i] for i in sorted(tool_calls_dict.keys())] if tool_calls_dict else []
+                    if tool_calls_data and followup_tools:
+                        allowed_tool_names = {
+                            t.get("function", {}).get("name", "")
+                            for t in followup_tools
+                            if isinstance(t, dict) and t.get("function", {}).get("name")
+                        }
+                        filtered = []
+                        for tc in tool_calls_data:
+                            fn = (tc or {}).get("function", {}).get("name", "")
+                            if fn and fn in allowed_tool_names:
+                                filtered.append(tc)
+                        tool_calls_data = filtered
+
+                    if tool_calls_data:
+                        await self._execute_tools_async(
+                            tool_calls_data, bot, from_wxid, chat_id,
+                            user_wxid, nickname, is_group, messages
+                        )
+                        return
+
                     # 发送 AI 的回复
                     if full_content.strip():
                         cleaned_content = self._sanitize_llm_output(full_content)
@@ -3127,7 +3237,7 @@ class AIChat(PluginBase):
 
                 if need_ai_reply_results:
                     await self._continue_with_tool_results(
-                        need_ai_reply_results, bot, from_wxid, chat_id,
+                        need_ai_reply_results, bot, from_wxid, user_wxid, chat_id,
                         nickname, is_group, messages, tool_calls_data
                     )
 
diff --git a/plugins/AIChat/prompts/瑞依.txt b/plugins/AIChat/prompts/瑞依.txt
index 70fd9b1..563f2f1 100644
--- a/plugins/AIChat/prompts/瑞依.txt
+++ b/plugins/AIChat/prompts/瑞依.txt
@@ -70,3 +70,4 @@ Gentle expression
 3) 发病文学：只有用户明确要“发病文学/发病文/发病语录/来一段发病/整点发病/犯病文学”等才调用 get_fabing。
 4) 天气/注册城市：一次只处理用户当前提到的那一个城市，不要把历史里出现过的多个城市一起查/一起注册。
 5) 绝对禁止在正文里输出任何“文本形式工具调用”或控制符，例如：tavilywebsearch{...}、tavily_web_search{...}、web_search{...}、<ctrl46>、展开阅读下文。
+6) 歌词找歌：当用户问“这句歌词/台词是哪首歌”时，先联网搜索确认歌名，再调用 search_music 发送音乐。