Created by: guoshengCS

CI failed because of the unmatched clang-format version. The errors are as followed:

yapf.....................................................................Passed
Check for merge conflicts................................................Passed
Check for broken symlinks................................................Passed
Detect Private Key.......................................................Passed
Fix End of Files.........................................................Passed
Trim Trailing Whitespace.................................................Passed
CRLF end-lines checker...................................................Passed
CRLF end-lines remover...................................................Passed
No-tabs checker..........................................................Passed
Tabs remover.............................................................Passed
clang-format.............................................................Failed
hookid: clang-format
clang-format version check failed.
a version contains '3.9' is needed, but get 'clang-format version 5.0.0 (tags/RELEASE_500/final)'
you can install the right version, and make an soft-link to '$PATH' env