What are the shortcut keys for Internet cafes?

Does the subject want to ask "what shortcut key is used to close the Internet cafe Yuetong"? Alt+4. According to the information of Yixin Technology Co., Ltd., press Alt+4 to close the Internet cafe Yuetong. Yuetongtong is an Internet cafe information security service software launched by Xiamen Yixin Technology Co., Ltd., which can guarantee the information security of Internet cafe users in the Internet environment.