执行时间:163ms
```
$start = Carbon::now();
$http = new Client();
$response1 = $http->request('http://服务data' => json_encode([
'query' => '我是谁',
'limit' => 5
])
]);
$response2 = $http->request('http://服务iP:8002/search', [
'query' => '我不知道',
'limit' => 5
]);
$response2 = Http::asJson()->post('http://服务执行时间:167ms
```
$aa = [];
$start = Carbon::now();
$promises = [
Http::asJson()->postAsync('http://服务iP:8002/search', [
'query' => '我不知道',
'limit' => 5
]),
Http::asJson()->postAsync('http://服务iP:8002