Hi  @lukepo 

Thanks for the reply.

but smart devices cant connect at all.

>>>What kind of smart devices they are? Please list some of their brands and types.

To better assist you, I've created a support ticket via your registered email address and escalated it to our support engineer to look into the issue. The ticket ID is TKID260211324. Please check your inbox and confirm that the support email was received. Thanks!
Once the issue is resolved, please update this thread with your solution to help others who may encounter the same problem.
Many thanks for your excellent cooperation and patience!