Coincidentally, Ye Li looked very much like Jiang Jingzhe's stepmother, so he naturally misunderstood them.
Before the truth came out, Jiang Jingzhe noticed something was wrong.
Ye Li: So?
Jiang Jingzhe: ... Is an apology useful?
(Someone is back to fill in the holes!)
Intention: Studying hard and living hard are the prerequisites for happiness.