* fix the related questions of Connection failed [IP: 91.189.88.152 80] or [IP: 91.189.88.142 80] in Dockerfile
* add an ARG to control whether to change the download source for GPU and CPU Dockerfile, and update corresponding changes to the documents
* add an ARG to control whether to change the download source for GPU and CPU Dockerfile, and update corresponding changes to the documents
* update documentation
* update documentation
* fix lint error
Co-authored-by: zhangwenjun <zhangwenjun@clustar.ai>