If you want to relax and have work exchanges, you'd better divide the activity into two parts, the first part is outdoors and the second part is indoors.
Outside, I want to get to know each other through an activity, which also lays the foundation for the second part. You think about the specific activities yourself.
Indoor is for Communist Youth League branch secretaries to communicate with each other at work. I believe this exchange meeting is also held in the second semester, so the secretary of the League branch will also accumulate some working methods or work experience after the first semester, so you can ask the secretary of the League branch to exchange some good experiences and methods in the work. Of course, the atmosphere should not be too serious. It is better to let the secretary of the Youth League branch talk about some activities organized by their respective Youth League branches, so as to better mobilize the atmosphere and directly let everyone learn some working methods.
These are some of my previous experiences. I think the activities organized by a league branch can best reflect the ability of the secretary of the league branch. When I was a Communist Youth League secretary, I paid more attention to activities, so I would observe the activities held by other branches and then carry them out in combination with the characteristics of our branch.