smart-socket报失效

调用心跳连接经常失效

15:30:55.791 [Quick Timer] INFO org.smartboot.socket.extension.plugins.HeartPlugin - session:org.smartboot.socket.transport.TcpAioSession@4e1f25a7 已失效，移除心跳任务

源代码

    WriteBuffer writeBuffer = start.writeBuffer();
    if (i % 5 == 0) {
        byte[] content = "heart message".getBytes();
        writeBuffer.writeInt(content.length);
        writeBuffer.write(content);
    } else {
        byte[] content = "heart".getBytes();
        writeBuffer.writeInt(content.length);
        writeBuffer.write(content);
    }
    Thread.sleep(1000L);

错误原因：输出流没有刷新导致，增加writeBuffer.flush()

    WriteBuffer writeBuffer = start.writeBuffer();
    if (i % 5 == 0) {
        byte[] content = "heart message".getBytes();
        writeBuffer.writeInt(content.length);
        writeBuffer.write(content);
    } else {
        byte[] content = "heart".getBytes();
        writeBuffer.writeInt(content.length);
        writeBuffer.write(content);
    }
    writeBuffer.flush()
    Thread.sleep(1000L);