diff --git a/data/ai_config.json b/data/ai_config.json
index b355db6..86f10c3 100644
--- a/data/ai_config.json
+++ b/data/ai_config.json
@@ -1,6 +1,6 @@
 {
     "host": "localhost",
     "port": 11434,
-    "model": "llama3.1"
+    "model": "qwen3:0.6b"
 }
 
diff --git a/games/ai_chat.py b/games/ai_chat.py
index a230319..72e9d18 100644
--- a/games/ai_chat.py
+++ b/games/ai_chat.py
@@ -88,7 +88,8 @@ class AIChatGame(BaseGame):
         task = asyncio.create_task(self._delayed_response(chat_id))
         _pending_tasks[chat_id] = task
         
-        return "✅ 已收到，等待10秒后回答（如有新消息将重新计时）"
+        # 不返回确认消息，静默处理
+        return ""
     
     async def _handle_config(self, args: str, chat_id: int, user_id: int) -> str:
         """处理配置请求