"examples/git@developer.sourcefind.cn:OpenDAS/dgl.git" did not exist on "b6f774cd83e293c9338875fd91c258d78183efdf"
Tags give the ability to mark specific points in history as being important
Repository has no tags yet.
Use git tag command to add a new one:
git tag -a v1.4 -m 'version 1.4'