fix: refine the functional test

[JacksonTian]

You need to complete

• [x] unit tests and/or feature tests
• [ ] documentation is changed or added

[codecov[bot]]

Codecov Report

Merging #505 (a7df420) into master (36a0090) will decrease coverage by 0.56%. Report is 1357 commits behind head on master. The diff coverage is n/a.

:exclamation: Current head a7df420 differs from pull request most recent head 7f1d929. Consider uploading reports for the commit 7f1d929 to get more accurate results

@@            Coverage Diff             @@
##           master     #505      +/-   ##
==========================================
- Coverage   96.48%   95.92%   -0.56%     
==========================================
  Files          45       45              
  Lines        1906     1916      +10     
  Branches      210      276      +66     
==========================================
- Hits         1839     1838       -1     
- Misses         44       56      +12     
+ Partials       23       22       -1     

see 4 files with indirect coverage changes