renamed web-demo
force GitHub to update image
reordered the tags
clear redundant tokens
let empty unit be wildcard
Revert "let empty unit be wildcard"

This reverts commit c1d6907ef37b299900ef136bbbdecfb0de1009ca.
Revert "clear redundant tokens"

This reverts commit 2bf3f55c4103e56e0aafcc1e061b93e0351fdf41.
clear redundant tokens
make the clearing mechanism better
updated version and changelog
force GitHub to update image