Dynamic modification advertising public address

Hi,

 I want to set my BLE advertising as public adress Dynamic, and can't work. I have try reboot,, and call "bt_ctlr_set_public_addr" before "bt_enable", It is working first time. In second time, the advertising was change successful, but the address in "bt_id_get(addrs, &count)" was different, and when I do pair with phone always fail, seems like the advertising address must same with SETTING?

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