it works at android 5.1 but stuck in welcome page at android 6.0

[pangpang7]

I would like to evaluate ble mesh chat and installed it in 2 android phones. It seems that it works at android 5.1 but stuck in welcome page at android 6.0. So what's the difference between android 5.1 and 6.0? How can I fix this issue?

[pangpang7]

wait for reply on line:)