Convert TCP query to UDP failed

[ccloli]

I remember Tencent Cloud's public DNS has some issue?

[TCP] Query [dns.msftncsi.com.](AAAA) --> 119.29.29.29:53@udp
D:\Git\DNSProxy\lib\convert.js:10
        const length = (data[0] << 8) + data[1];
                            ^

TypeError: Cannot read property '0' of null
    at tcpPacketToUdpPacket (D:\Git\DNSProxy\lib\convert.js:10:22)
    at Object.udp (D:\Git\DNSProxy\lib\server.js:203:11)
    at Socket.<anonymous> (D:\Git\DNSProxy\lib\server.js:264:26)
    at Socket.emit (events.js:314:20)
    at addChunk (_stream_readable.js:297:12)
    at readableAddChunk (_stream_readable.js:272:9)
    at Socket.Readable.push (_stream_readable.js:213:10)
    at TCP.onStreamRead (internal/stream_base_commons.js:188:23)