Do you want to: Suggest a feature / Report a bug / Ask a how-to question
For feature suggestions, describe the result you would like to achieve in detail.
For bug reports, provide the steps to reproduce and if possible a minimal demo of the problem.
Document Server version:
Type of installation of the Document Server (docker, deb/rpm, exe)
OS:
Browser version:
Hello @trungpham 
he-he, it’s challenging to understand the issue with just one screenshot without basic information 
and detailed description of the problem.
Such as:
- Version of Nextcloud, version of connector.
- Version of Document server.
- How you performed installation, point me to the guide you used.