Fix a bug on sorting, which cause Pack don't work as expected

[Wing924]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@067bca3). Click here to learn what that means.
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 3067bc4 differs from pull request most recent head 5e2d73f. Consider uploading reports for the commit 5e2d73f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             master        #9   +/-   ##
==========================================
  Coverage          ?   100.00%           
==========================================
  Files             ?         4           
  Lines             ?       127           
  Branches          ?         0           
==========================================
  Hits              ?       127           
  Misses            ?         0           
  Partials          ?         0           

Impacted Files	Coverage Δ
common.go	100.00% <100.00%> (ø)
pack.go	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.