I wrote a memo in formal and informal style. Could you help me to check it?I need to wrote about 100 words, but I do not konw what I could add. Could you give me some advice? Thank you!

formal
Memo
To: All schoolmates
From:Wu Jing, Wings of sky
Date: September 13
Subject: Movie night

A movie (Spiderman) night is organized in Classroom A001 at 7:00 p.m. on Sunday, September 16 by Wings of Sky. All are welcome.

informal
Memo
To: All schoolmates
From:Wu Jing, Monitor
Date: September 13
Subject: Movie night

All of us are facing the stress of Passing the exam, CET-6, this term, so I am planning a movie night to have some fun. We will watch the movie (Spiderman) in Classroom A001 at 7:00 p.m. on Sun., Sep. 16. If you have any suggestion for the movies, please contact me at 18971393955 before Sep. 15. Hope we have a wonderful night.