Can WeChat scan the code to fill in the questionnaire without filling in the information?

Wechat scan code to fill in the questionnaire without data can not be submitted. According to the public information related to the query, the WeChat code scanning questionnaire has no information, so it has no answer and cannot be submitted. Wechat code scanning questionnaire is a market behavior. Perhaps some commercial organizations in the society will conduct market research on commercial formats and invite some users to scan the code to fill in the questionnaire. There is no harm, as long as they pay attention to protecting their privacy.