优化mcp问答功能

client/client.py

@@ -89,7 +89,7 @@ class McpClient:
                     try:
                         while True:
                             logger.info("Loop to keep session alive...")
-                            await asyncio.sleep(60)
+                            await asyncio.sleep(10)
                             await session.send_ping()
                     except Exception as e:
                         logger.exception(e)