序列化数组时报no this type name about dubbo-go-hessian2 HOT 3 CLOSED

package t_test

import (
	hessian "github.com/dubbogo/hessian2"
	"testing"
)

type aaa struct {
	bbb  string
}

func (aaa) JavaClassName() string{
	return ""
}

func TestHessian(t *testing.T) {

	info := []aaa{{bbb:"vvv"}}

	encoder := hessian.NewEncoder()
	err := encoder.Encode(info)
	if err!=nil{
		t.Error(err)
	}

}

=== RUN   TestHessian
--- FAIL: TestHessian (0.00s)
    hessian_test.go:23: no this type name: t_test.aaa
FAIL

Process finished with exit code 1