diff --git a/main/xiaozhi-server/app.py b/main/xiaozhi-server/app.py
index ab085464..701d11fb 100644
--- a/main/xiaozhi-server/app.py
+++ b/main/xiaozhi-server/app.py
@@ -47,6 +47,13 @@ async def main():
     check_ffmpeg_installed()
     config = load_config()
 
+    # 初始化插件描述（需要在load_config之后、服务启动之前）
+    try:
+        from plugins_func.functions.get_news_from_newsnow import init_news_description
+        init_news_description(config)
+    except Exception:
+        pass
+
     # auth_key优先级：配置文件server.auth_key > manager-api.secret > 自动生成
     # auth_key用于jwt认证，比如视觉分析接口的jwt认证、ota接口的token生成与websocket认证
     # 获取配置文件中的auth_key
diff --git a/main/xiaozhi-server/plugins_func/functions/get_news_from_newsnow.py b/main/xiaozhi-server/plugins_func/functions/get_news_from_newsnow.py
index e32ea3a0..372ea48d 100644
--- a/main/xiaozhi-server/plugins_func/functions/get_news_from_newsnow.py
+++ b/main/xiaozhi-server/plugins_func/functions/get_news_from_newsnow.py
@@ -51,33 +51,36 @@ CHANNEL_MAP = {
     "虫部落": "chongbuluo-latest",
 }
 
-
 # 默认新闻来源字典，当配置中没有指定时使用
 DEFAULT_NEWS_SOURCES = "澎湃新闻;百度热搜;财联社"
 
+def _get_newsnow_config(conn):
+    """从连接配置中获取newsnow插件配置，优先用conn.common_config，兜底用conn.config"""
+    # 优先从公共配置获取（保留本地config.yaml的配置）
+    common_plugins = getattr(conn, "common_config", {}).get("plugins", {})
+    common_newsnow = common_plugins.get("get_news_from_newsnow", {})
+    common_sources = common_newsnow.get("news_sources", "")
+    if isinstance(common_sources, str) and common_sources.strip():
+        return common_sources
+
+    # 兜底从连接配置获取
+    plugins = conn.config.get("plugins", {})
+    newsnow = plugins.get("get_news_from_newsnow", {})
+    sources = newsnow.get("news_sources", "")
+    if isinstance(sources, str) and sources.strip():
+        return sources
+
+    return ""
 
 def get_news_sources_from_config(conn):
     """从配置中获取新闻源字符串"""
     try:
-        # 尝试从插件配置中获取新闻源
-        if (
-            conn.config.get("plugins")
-            and conn.config["plugins"].get("get_news_from_newsnow")
-            and conn.config["plugins"]["get_news_from_newsnow"].get("news_sources")
-        ):
-            # 获取配置的新闻源字符串
-            news_sources_config = conn.config["plugins"]["get_news_from_newsnow"][
-                "news_sources"
-            ]
-
-            if isinstance(news_sources_config, str) and news_sources_config.strip():
-                logger.bind(tag=TAG).debug(f"使用配置的新闻源: {news_sources_config}")
-                return news_sources_config
-            else:
-                logger.bind(tag=TAG).warning("新闻源配置为空或格式错误，使用默认配置")
-        else:
-            logger.bind(tag=TAG).debug("未找到新闻源配置，使用默认配置")
+        result = _get_newsnow_config(conn)
+        if result:
+            logger.bind(tag=TAG).debug(f"使用配置的新闻源: {result}")
+            return result
 
+        logger.bind(tag=TAG).debug("未找到新闻源配置，使用默认配置")
         return DEFAULT_NEWS_SOURCES
 
     except Exception as e:
@@ -85,9 +88,26 @@ def get_news_sources_from_config(conn):
         return DEFAULT_NEWS_SOURCES
 
 
-# 从CHANNEL_MAP获取所有可用的新闻源名称
-available_sources = list(CHANNEL_MAP.keys())
-example_sources_str = "、".join(available_sources)
+# 从默认配置获取可用的新闻源名称（运行时由get_news_sources_from_config动态获取）
+example_sources_str = DEFAULT_NEWS_SOURCES.replace(";","、")
+
+def init_news_description(config: dict):
+    """项目启动时调用一次，根据配置更新工具描述中的新闻源示例"""
+    from types import SimpleNamespace
+    from plugins_func.register import all_function_registry
+
+    # 复用get_news_sources_from_config，用SimpleNamespace模拟conn
+    conn_wrapper = SimpleNamespace(config=config)
+    news_sources = get_news_sources_from_config(conn_wrapper)
+
+    sources_str = news_sources.replace(";","、")
+
+    func_item = all_function_registry.get("get_news_from_newsnow")
+    if func_item:
+        func_item.description["function"]["parameters"]["properties"]["source"][
+            "description"
+        ] = f"新闻源的标准中文名称，例如{sources_str}等。可选参数，如果不提供则使用默认新闻源"
+        logger.bind(tag=TAG).info(f"新闻工具描述已初始化，可用新闻源: {sources_str}")
 
 GET_NEWS_FROM_NEWSNOW_FUNCTION_DESC = {
     "type": "function",
@@ -99,7 +119,7 @@ GET_NEWS_FROM_NEWSNOW_FUNCTION_DESC = {
             "properties": {
                 "source": {
                     "type": "string",
-                    "description": "新闻源名称，如'澎湃新闻'、'百度热搜'、'IT之家'等。可选参数",
+                    "description": f"新闻源的标准中文名称，例如{example_sources_str}等。可选参数，如果不提供则使用默认新闻源",
                 },
                 "detail": {
                     "type": "boolean",