As for other matters, such as reporting back to his sect on his current situation and that of Mount Taiping to his master, Zhenyuan, and senior martial brothers, Qing Feng and Ming Yue, they are not important.
Firstly, it is because he was appointed as an official position yesterday at the Lingxiao Palace.
With the abilities of his master, Zhenyuan, he probably knew about it on the very same day.
As for his senior martial brothers, they will soon know as well because such matters cannot be concealed.
Compared to the secluded happenings in the mortal world and the Demon realm,
The events in the Heavenly Court spread much faster within the Wuzhuang Temple.
Secondly, the newly-appointed Lu Wufei genuinely could not leave the Heavenly Court according to the celestial rules.