【已解决】webman 使用 guzzlehttp/guzzle 报个错不知道什么问题

"php": ">=7.2",
"workerman/webman-framework": "^1.2.7",
"guzzlehttp/guzzle": "^7.4"

$client = new \GuzzleHttp\Client();
$client->get($url)->getBody()->getContents();