It was just that this investigation was too complicated and involved too many people. His good friend was so busy every day that he didn't sleep much. Xue Yan didn't want to disturb his good friend's investigation, so he didn't go to look for this good friend. Now, he was going to investigate elsewhere, to see if there was such a thing happening elsewhere. Thus, Xue Yan wanted to wish him a safe journey.
It just so happened that Erfu knew that he was the Crown Prince, so he and Jiang Yue decided to let Erfu send them to the county. He even told his family that they were going to take a look at the shops in the county.
"Yes." Jiang Yue and Xue Yan both responded and then walked out from behind the house. The person who had reported to them that Prince Ying had personally burned the edict had already left.