Ubuntu16.04系统rknn-toolkit可视化程序无法打开

Ubuntu16.04系统中输入sudo python3 -m rknn.bin.visualization无法打开可视化程序，1.7.0版本和1.4.0版本都安装试过，同样的错误，命令后加上参数--no-sandbox错误提示与不加该参数相同，错误提示信息如下：

127.0.0.1:7000 is unused
server_flag_file doesn't exist, run server first time
*********************** open window ***********************
[482:1203/163847.636905: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
Trace/breakpoint trap (core dumped)

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

用docker跑