Chat是Google服務裡的聊天功能，但在校內開啟這個功能會衍生一些問題，關閉方式很簡單，請參考下方連結
link to https://support.google.com/a/answer/9071576?hl=zh-Hant \
進階搜尋
link to https://support.google.com/a/answer/9071576?hl=zh-Hant \
1-2 授權帳號升級為Teaching and Learning Upgrade(meet可錄影)
