fix: multiple interfaces cause the original type to be inaccessible

[wlynxg]

fix: #2665

Since v is of interface{} type, when v is assigned a value, the type of v is interface{}|time.Time, the function return type is interface{}, and the value type at this time is interface{}|*interface{}|time .Time, this will result in the original type time.Time not being available outside.

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (7d4c59a) 79.16% compared to head (42a7781) 79.15%.
Report is 2 commits behind head on master.

❗ Current head 42a7781 differs from pull request most recent head 4081869. Consider uploading reports for the commit 4081869 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2915      +/-   ##
==========================================
- Coverage   79.16%   79.15%   -0.01%     
==========================================
  Files         638      638              
  Lines       52557    52557              
==========================================
- Hits        41608    41603       -5     
- Misses       8884     8888       +4     
- Partials     2065     2066       +1     

Flag	Coverage Δ
go-1.18-386	79.16% <100.00%> (-0.07%)	⬇️
go-1.18-amd64	79.23% <100.00%> (ø)
go-1.19-386	79.08% <100.00%> (-0.04%)	⬇️
go-1.19-amd64	79.11% <100.00%> (-0.04%)	⬇️
go-1.20-386	79.20% <100.00%> (-0.02%)	⬇️
go-1.20-amd64	79.14% <100.00%> (-0.10%)	⬇️

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

Files Changed	Coverage Δ
util/gconv/gconv_convert.go	91.63% <100.00%> (ø)

... and 2 files with indirect coverage changes

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[gqcn]

@wlynxg It's awesome! 💓 Would you please add associated unit testing case to cover this issue #2665 ?

[wlynxg]

@wlynxg It's awesome! 💓 Would you please add associated unit testing case to cover this issue #2665 ?

👌