mqtt connect fail

[BOBBOM]

when i excute demo, here are the error log

[02-01 09:47:05 ty E][mqtt_client_wrapper.c:228] mqtt connect err: Connection not authorized(11)
[02-01 09:47:05 ty D][tls_transporter.c:94] tls transporter close socket fd:7
[02-01 09:47:05 ty D][tcp_transporter.c:175] tcp transporter close socket fd:7
[02-01 09:47:05 ty D][tls_transporter.c:102] tls transporter close tls handler:0x7fd3a7add5e8
[02-01 09:47:05 ty D][tuya_tls.c:685] TUYA_TLS Disconnect ENTER
[02-01 09:47:05 ty D][tuya_tls.c:710] TUYA_TLS Disconnect Success
[02-01 09:47:05 ty E][mqtt_service.c:406] MQTT connect fail:3
[02-01 09:47:05 ty E][mqtt_bind.c:107] tuya mqtt connect fail:-34, retry..
[02-01 09:47:07 ty I][mqtt_service.c:394] clientid:acon_uuidxxxxxxxxxxxxxxxx
[02-01 09:47:07 ty I][mqtt_service.c:395] username:acon_uuidxxxxxxxxxxxxxxxx|pv=2.3
[02-01 09:47:07 ty D][mqtt_service.c:396] password:8346f0e4d2e9d2e4
[02-01 09:47:07 ty I][mqtt_service.c:397] topic_in:d/ai/uuidxxxxxxxxxxxxxxxx
[02-01 09:47:07 ty I][mqtt_service.c:398] topic_out:
[02-01 09:47:07 ty I][mqtt_service.c:399] tuya_mqtt_start...
[02-01 09:47:07 ty D][tcp_transporter.c:77] bind ip:00000000 port:0 ok
q[02-01 09:47:07 ty D][tuya_tls.c:488] TUYA_TLS Begin Connect m2.tuyacn.com:8883
[02-01 09:47:07 ty D][tuya_tls.c:300] mbedtls authmode: MBEDTLS_SSL_VERIFY_REQUIRED
[02-01 09:47:07 ty D][tuya_tls.c:313] load root ca cert.

[mhtcc520]

Hi,

[02-01 09:47:07 ty I][mqtt_service.c:394] clientid:acon_uuidxxxxxxxxxxxxxxxx
[02-01 09:47:07 ty I][mqtt_service.c:395] username:acon_uuidxxxxxxxxxxxxxxxx|pv=2.3

The log shown the config of the demo is invalid, please update the UUID&AUTHKEY which located in examples/switch_demo/src/tuya_config.h.
For detail please refer to : quick start with TuyaOS