centos7.5使用rknn.bin.visualization错误

运行命令python -m rknn.bin.visualization
提示：
*********************** open window ***********************
server_flag_file doesn't exist, run server first time
[27094:0807/143314.148244:FATAL:atom_main_delegate.cc(210)] Running as root without --no-sandbox is not supported. See https://crbug.com/638180.
* Serving Flask app "rknn.visualization.server.flask_rknn_tookit" (lazy loading)
* Environment: production
   WARNING: Do not use the development server in a production environment.
   Use a production WSGI server instead.
* Debug mode: off
server is ready

***********************close server***********************