A small code specification change.

[TJxiaobao]

What's changed?

A small code specification change.

Checklist

• I have read the Contributing Guide
• I have written the necessary doc or comment.
• I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 20.26%. Comparing base (38d466b) to head (10a0406).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2299      +/-   ##
============================================
- Coverage     20.27%   20.26%   -0.02%     
  Complexity     1103     1103              
============================================
  Files           405      405              
  Lines         17204    17205       +1     
  Branches       2270     2270              
============================================
- Hits           3488     3486       -2     
- Misses        13329    13332       +3     
  Partials        387      387              

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[tomsun28]

👍lgtm!