CMD都可以互相发送，但是用kafka-php扩展后报Connection refused

[lesliezjm]

{
message: "Error: fsockopen(): unable to connect to 127.0.0.1:9092 (Connection refused)",
file: "/services/www/backend/esapi/core/vendor/nmred/kafka-php/src/Kafka/Socket.php",
line: 236,
level: 2
}