diff --git a/README.md b/README.md
index ceef771..356effc 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,7 @@ _✨ 支持多API预设、MCP协议、联网搜索、视觉模型的AI群聊插
 | LLMCHAT__RANDOM_TRIGGER_PROB | 否 | 0.05 | 默认随机触发概率 [0, 1] |
 | LLMCHAT__DEFAULT_PROMPT | 否 | 你的回答应该尽量简洁、幽默、可以使用一些语气词、颜文字。你应该拒绝回答任何政治相关的问题。 | 默认提示词 |
 | LLMCHAT__BLACKLIST_USER_IDS | 否 | [] | 黑名单用户ID列表，机器人将不会处理黑名单用户的消息 |
+| LLMCHAT__IGNORE_PREFIXES | 否 | [] | 需要忽略的消息前缀列表，匹配到这些前缀的消息不会处理 |
 | LLMCHAT__MCP_SERVERS | 否 | {} | MCP服务器配置，具体见下表 |
 
 其中LLMCHAT__API_PRESETS为一个列表，每项配置有以下的配置项
diff --git a/nonebot_plugin_llmchat/__init__.py b/nonebot_plugin_llmchat/__init__.py
index 0d0feae..d3c6605 100755
--- a/nonebot_plugin_llmchat/__init__.py
+++ b/nonebot_plugin_llmchat/__init__.py
@@ -169,6 +169,12 @@ async def is_triggered(event: GroupMessageEvent) -> bool:
     if event.user_id in plugin_config.blacklist_user_ids:
         return False
 
+    # 忽略特定前缀的消息
+    msg_text = event.get_plaintext().strip()
+    for prefix in plugin_config.ignore_prefixes:
+        if msg_text.startswith(prefix):
+            return False
+
     state.past_events.append(event)
 
     # 原有@触发条件
diff --git a/nonebot_plugin_llmchat/config.py b/nonebot_plugin_llmchat/config.py
index fa873d5..d658875 100755
--- a/nonebot_plugin_llmchat/config.py
+++ b/nonebot_plugin_llmchat/config.py
@@ -44,6 +44,10 @@ class ScopedConfig(BaseModel):
     )
     mcp_servers: dict[str, MCPServerConfig] = Field({}, description="MCP服务器配置")
     blacklist_user_ids: set[int] = Field(set(), description="黑名单用户ID列表")
+    ignore_prefixes: list[str] = Field(
+        default_factory=list,
+        description="需要忽略的消息前缀列表，匹配到这些前缀的消息不会处理"
+    )
 
 
 class Config(BaseModel):
diff --git a/nonebot_plugin_llmchat/mcpclient.py b/nonebot_plugin_llmchat/mcpclient.py
index a6c6ff3..55e1b44 100644
--- a/nonebot_plugin_llmchat/mcpclient.py
+++ b/nonebot_plugin_llmchat/mcpclient.py
@@ -66,7 +66,7 @@ class MCPClient:
         logger.info(f"正在服务器[{server_name}]上调用工具[{real_tool_name}]")
         session = self.sessions[server_name]
         try:
-            response = await asyncio.wait_for(session.call_tool(real_tool_name, tool_args), timeout=10)
+            response = await asyncio.wait_for(session.call_tool(real_tool_name, tool_args), timeout=30)
         except asyncio.TimeoutError:
             logger.error(f"调用工具[{real_tool_name}]超时")
             return f"调用工具[{real_tool_name}]超时"
diff --git a/pyproject.toml b/pyproject.toml
index 61e73fa..7c17df2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nonebot-plugin-llmchat"
-version = "0.2.4"
+version = "0.2.5"
 description = "Nonebot AI group chat plugin supporting multiple API preset configurations"
 license = "GPL"
 authors = ["FuQuan i@fuquan.moe"]