Fix file linking issues (#127)

The README.md file links to CONTRIBUTING_zh_Hans.md and
README_zh_Hans.md, but these two files are named as
CONTRIBUTING.zh_Hans.md and README.zh_Hans.md in the repository.

Signed-off-by: v-tangmeng <[email protected]>

update: update wechat group (#77)

revert: adjust model default configuration (#11)

Co-authored-by: yyk <[email protected]>