How to upload a hummingbird crowdsourcing paper health certificate?

The steps are as follows: 1. First, open the hummingbird crowdsourcing APP and click the Personal Center. 2. Then click on my certificate, find and upload the health certificate, and then follow the prompts to upload the corresponding vaccine pictures (including the front of the health certificate, the back of the health certificate and the certified selfie). 3. After the upload is successful, the examination period of the health certificate is 3-5 days.