Lin Yi only picked up his phone after youpan Hu left, calling Jingyi.
As for youpan Hu's reaction after getting the personal notes, Lin Yi was suspicious but not too worried. Boss Bai wouldn't lie to him, and he said he'd play along with him, proving that the information wasn't the most important thing to boss Bai. Lin Yi was already satisfied that he could exchange the information for this.
Although he could get the ingredients from boss Bai, boss Bai would definitely get to the bottom of things if he asked for them. Lin Yi wouldn't be able to hide the fact that han Jingjing was an Alchemist then. He didn't want to hide it from boss Bai, but he didn't want to expose han Jingjing too early either, so he decided to start with right-hand man Tiger.
At the very least, he knew that Lin Yi wouldn't tell him anything even if he asked. He might as well not ask.