2021 has come to an end, the new year is about to begin, snrksgram has been with everyone for half a year, we hope you to participate in our questionnaire survey, so that we can receive feedback from the majority of users, which will help us improve in 2022. Scan the QR code of the picture or log in to the following website to fill in the questionnaire: https://freeonlinesurveys.com/s/eP4zqxKY