In which period did Yang Zi and Zhang Yishan fight each other?

Yang Zi and Zhang Yishan dislike each other in the 20180612th issue of the second season of the variety show "Gao Neng Juvenile Group". As for the "high energy youth group", this idol confrontation challenge reality show crafted by Zhejiang TV, mainly through close to life courses, so that those youth group members in the process of learning, experience to get a comprehensive exercise. Many people are not unfamiliar with Yang Zi and Zhang Yishan, and most viewers know them through the "Family Guy" TV series that was a hit. Whenever they participate in a variety show together, everyone will treat them as siblings, after all, they played the role of Liu Xing and Xia Yu these two characters left too deep an impression on everyone. The two of them also became good friends because of this drama, and even after many years they are still very good friends. Yang Zi, who graduated from the acting department of the Beijing Film Academy, started to enter the acting circle officially at the age of 7 after acting in her first film and television work "So Out of the Mountain". She has acted in many film and television works, and then with the role of Xia Xue in the play "Family Children" attracted the attention of many netizens, and became a little-known child star. Later, because of academic problems, she focused on her studies. When she was admitted to the acting department of Beijing Film Academy, she continued to start her acting career during her college years and has now become a well-known actress. Zhang Yishan is the same age as Yang Zi and also graduated from the Beijing Film Academy. He started to enter the actor's money officially after he was picked up by director Xu Geng while shooting a commercial and starred in his first TV series "Little Soldier Zhang Ga". After that, he was known for his role as Liu Xing in the sitcom "Family Guy". After that, he acted in the film and television works such as "Dunking Showdown", "Looking for Jackie", "The Big Little Soldier" and "Food to Run", and became a little famous actor. As for him, he really started to explode after starring in the criminal investigation web series "Yu Sin", which made him a well-known actor.