gjson.New panic

[jdcloudconformance]

What version of Go and system type/arch are you using?

go version go1.20.3 darwin/amd64

What version of GoFrame are you using?

github.com/gogf/gf/v2 v2.5.6

Can this bug be re-produced with the latest release?

What did you do?

What did you expect to see?

No error.

What did you see instead?

=== RUN TestXxx2
111--- FAIL: TestXxx2 (0.00s)
panic: reflect: call of reflect.Value.IsNil on string Value [recovered]
panic: reflect: call of reflect.Value.IsNil on string Value

[jdcloudconformance]

https://github.com/gogf/gf/blob/master/util/gconv/gconv_map.go

I tried the follow code:

The test code runs well.