He Yuan had no intention of attending the court trial in the first place but, to the outside world, Li Yexi was happily married to Zhang Jun and Zhang Jun was 'devoted' to Li Yexi even with his love for Li Shiyu so this wasn't the time to cause trouble and let Li Yexi's reputation be affected in a negative way.
Even if Zhang Jun had committed a crime, most people wouldn't see it that way and would blame Li Yexi for being a hypocrite and a despicable person for leaving his 'loving' husband at his worst.
He Yuan was trying his hardest to avoid leaving a mess behind for the leaser. When he arrived, the family head, Zhang madam, Li Shiyu and his kids were already there and about to go in. The Zhang madam looked over to He Yuan and scoffed.