1. Prompt for duplicate face or fingerprint during authorization？

Recommendations:1) When the face terminal and the fingerprint terminal are authorized, it will prompt that the face or fingerprint is duplicate. Check whether the person has been registered. If registered already, the device is not allowed to secondary registration .2)If the user sends and registers the photos through the software, the photos are not clear enough. If the previously registered photos are not clear enough and the feature points are very few, it is easy to cause repeated identification. In this case, it is recommended to replace all these unclear photos with clear and qualified photos to avoid misidentification or wrong judgment.

2. Offline access control, unable to open the door through card writer？

Suggestion: the offline access control is authorize to open the door through the card writer. If the device cannot open after authorization, please check whether the offline access control is correctly installed in the software. Or not, the encrypted data of the card authorized by the software will not correspond to the card, resulting in the inability to open the door. Therefore, please reinstall the offline access control on software again.