I have a porject working well with normal ble function such as ancs and other services(use sdk15.0) , when I add the mesh model light switch on_off (source code copy from the mesh sdk 2.1.1) into a current project. the normal ble project also working very well, but the mesh function only can work several seconds,after that, the unprovisioned beacon is stop(I can see tthe both normal ble adv and mesh unprovisioned beacon at the beginning of a few seconds from the sniffer after I run the project,but a few seconds later,the mesh unprovisioned beacon disappear). At the same project, I do not start the normal ble adv and only leave the mesh function working alone, the mesh unprovisioned beacon do not disappear any more. I don't know why. please give me some advise to solvethis problem. I need the normal ble and mesh both work well at my project .thank you.