nRF52840 DK can not advertising extension when using zephyr nRF Connect SDK v1.6.1

[yuyin]

HW : nRF52840DK

SW :  nRF3.7.0 desktop tool

          nRF Connect SDK v1.6.1

IDE: SES

Project: periodic_sync or periodic_adv

Operation:

1. build -> rebuild the solution,  success;

2. Target -> Download zephyr/zephyr.elf,  success;

result: 

nRF52840DK LED1 blink , no any advertising packet can be received.

 

Anyone can help me why the extend adv pkt can not received, and how should I do correctly?

[yuyin]

OK, thank you for your reply timely.