diff --git a/bot/linkai/link_ai_bot.py b/bot/linkai/link_ai_bot.py
index d32451c..18898aa 100644
--- a/bot/linkai/link_ai_bot.py
+++ b/bot/linkai/link_ai_bot.py
@@ -197,7 +197,7 @@ class LinkAIBot(Bot, OpenAIImage):
                 plugin_config = pconf("linkai")
                 if plugin_config.get("knowledge_base") and plugin_config.get("knowledge_base").get("search_miss_text_enabled"):
                     search_miss_similarity = plugin_config.get("knowledge_base").get("search_miss_similarity")
-                    search_miss_text =  plugin_config.get("knowledge_base").get("search_miss_text")
+                    search_miss_text = plugin_config.get("knowledge_base").get("search_miss_suffix")
                     if not search_hit:
                         return search_miss_text
                     if search_miss_similarity and float(search_miss_similarity) > first_similarity:
diff --git a/channel/wechat/wechat_message.py b/channel/wechat/wechat_message.py
index 406162a..86c7355 100644
--- a/channel/wechat/wechat_message.py
+++ b/channel/wechat/wechat_message.py
@@ -43,7 +43,7 @@ class WechatMessage(ChatMessage):
                 raise NotImplementedError("Unsupported note message: " + itchat_msg["Content"])
         elif itchat_msg["Type"] == ATTACHMENT:
             self.ctype = ContextType.FILE
-            self.content = TmpDir().path() + itchat_msg["FileName"]
+            self.content = TmpDir().path() + itchat_msg["FileName"]  # content直接存临时目录路径
             self._prepare_fn = lambda: itchat_msg.download(self.content)
         elif itchat_msg["Type"] == SHARING:
             self.ctype = ContextType.SHARING
diff --git a/plugins/linkai/summary.py b/plugins/linkai/summary.py
index 5d1738b..5ab0524 100644
--- a/plugins/linkai/summary.py
+++ b/plugins/linkai/summary.py
@@ -90,5 +90,5 @@ class LinkSummary:
         for support_url in support_list:
             if url.strip().startswith(support_url):
                 return True
-        logger.warn(f"[LinkSum] unsupported url, no need to process, url={url}")
+        logger.debug(f"[LinkSum] unsupported url, no need to process, url={url}")
         return False