PIGCMS 如何关闭聊天机器人

return 'str_replace('highsea', 'hi', $str)';//举个例子

/小黄鸡/
/$str  = 'http://api.bd001./iMicms_/api.php?key=free&appid=0&msg=' . urlencode($name);
$json = Http::fsockopenDownload($str);
if ($json == false) {
    $json = file_get_contents($str);
}
$json = json_decode($json, true);
$str  = str_replace('HighSea', $this->my, str_replace('提示', $this->my . '提醒您:', str_replace('{br}', "\n", $json['content'])));/