微信小程序客服消息，如何实现客服自动回复一张图片消息？参照教程，如下代码测试无效！求大佬解救！


if($Content == 图片){
$data['touser'] = $FromUserName;
$data['msgtype'] = 'image';
$data['image']['picurl'] = 'https://www.baidu.com/img/superlogo_c4d7df0a003d3db9b65e9ef0fe6da1ec.png';