解析2层结构体失败

[gpBlockchain]

type A struct {
aa string
a *B
}

type B struct {
aa string
a string
}

func Test_1(t *testing.T) {

a :=A{"aa",&B{"bb","nil"}}
xfmt.Enable()
fmt.Println(xfmt.Sprintf("%+v", a))

}
result:
=== RUN Test_1
{aa:aa a:0xc000195f20}
--- PASS: Test_1 (0.00s)
PASS

[onanying]

@gpBlockchain 字段要大写，Public 的字段才能解析到