fix issue 2403

[qinyuguang]

fix #2403

[codecov-commenter]

Codecov Report

Base: 79.60% // Head: 79.61% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (a78e50d) compared to base (c0fa2e3).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head a78e50d differs from pull request most recent head 9f881ea. Consider uploading reports for the commit 9f881ea to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2404   +/-   ##
=======================================
  Coverage   79.60%   79.61%           
=======================================
  Files         598      598           
  Lines       49682    49682           
=======================================
+ Hits        39551    39554    +3     
+ Misses       8132     8131    -1     
+ Partials     1999     1997    -2     

Flag	Coverage Δ
go-1.15-386	79.63% <100.00%> (-0.01%)	⬇️
go-1.15-amd64	79.63% <100.00%> (-0.03%)	⬇️
go-1.16-386	79.65% <100.00%> (+0.01%)	⬆️
go-1.16-amd64	79.64% <100.00%> (+0.03%)	⬆️
go-1.17-386	79.64% <100.00%> (+0.01%)	⬆️
go-1.17-amd64	79.63% <100.00%> (ø)
go-1.18-386	79.57% <100.00%> (-0.01%)	⬇️
go-1.18-amd64	79.56% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
database/gdb/gdb_func.go	86.15% <100.00%> (ø)
os/gfsnotify/gfsnotify_watcher_loop.go	85.71% <0.00%> (+2.52%)	⬆️

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