zxt/chat_producer: IM @ pre

AI a45b446a7b Merge branch 'pre' of https://gitee.com/zxt_5/chat_producer into pre		5 月之前
..
ChatService.php	a45b446a7b Merge branch 'pre' of https://gitee.com/zxt_5/chat_producer into pre	5 月之前
ChatServiceInterface.php	b03711c00c chat	6 月之前