启动HomeBridge成功，能操作网关灯，几秒后提示密码无效不能操作
DEBUG LOG
17-11-15 01:35:03] [MiAqaraPlatform] [DEBUG][Send]{"cmd":"write","model":"gateway","sid":"7811dca47e17","data":"{\"rgb\":1694498815, \"key\": \"7ea801dcdf53e637fb4ffb3be1528f19\"}"}
[2017-11-15 01:35:03] [MiAqaraPlatform] [DEBUG][Revc]{"cmd":"write_ack","model":"gateway","sid":"7811dca47e17","short_id":0,"data":"{\"rgb\":1694498815,\"illumination\":1292,\"proto_version\":\"1.0.9\"}"}
[2017-11-15 01:35:04] [MiAqaraPlatform] [DEBUG][Send]{"cmd":"write","model":"gateway","sid":"7811dca47e17","data":"{\"rgb\":0, \"key\": \"7ea801dcdf53e637fb4ffb3be1528f19\"}"}
[2017-11-15 01:35:04] [MiAqaraPlatform] [DEBUG][Revc]{"cmd":"write_ack","sid":"7811dca47e17","data":"{\"error\":\"Invalid key\"}"}
[2017-11-15 01:35:04] [MiAqaraPlatform] [ERROR]Error: Invalid key
[2017-11-15 01:35:04] [MiAqaraPlatform] [ERROR]Error: Invalid key
    at MiAqaraPlatform.parseMessage (/usr/lib/node_modules/homebridge-mi-aqara/index.js:300:26)
    at emitTwo (events.js:106:13)
    at Socket.emit (events.js:194:7)
    at UDP.onMessage [as onmessage] (dgram.js:544:8)

