Datavideo Academy provides message boards under each section of each course. There is also a forum that integrates all message boards together. You can use the keyword search function to easily find the information you want.
If you think this message is helpful to you, please don’t hesitate to click the LIKE symbol. The more LIKE symbols, the more people think that this message is helpful to the course. The message with the most LIKE symbols will be automatically placed at the top of the message board, so that more people can see it.