kotlin tcp套接字客户端无法使用python服务器

import java.net.Socket
import java.io.OutputStream

fun main() {
    val host = "服务器IP地址"
    val port = 服务器端口号

    try {
        val socket = Socket(host, port)
        val outputStream: OutputStream = socket.getOutputStream()

        val message = "Hello from Kotlin client!"
        outputStream.write(message.toByteArray())

        outputStream.close()
        socket.close()
    } catch (e: Exception) {
        e.printStackTrace()
    }
}

import socket

host = '0.0.0.0'
port = 服务器端口号

server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.bind((host, port))
server_socket.listen(1)

print('Server listening on {}:{}'.format(host, port))

while True:
    client_socket, address = server_socket.accept()
    print('Connection from {}'.format(address))

    data = client_socket.recv(1024)
    if data:
        print('Received data: {}'.format(data.decode()))

    client_socket.close()