cache not working

[zxc111]

What version of nacos-sdk-go are you using?

2.2.4

What version of nacos-sever are you using?

2.2.0

What version of Go are you using (go version)?

1.19 or 1.21

What operating system (Linux, Windows, …) and version?

linux/mac

What did you do?

If possible, provide a recipe for reproducing the error.
dataID: test
namespace: public
value in nacos: 1

import (
	"testing"

	"github.com/nacos-group/nacos-sdk-go/v2/clients"
	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
	"github.com/nacos-group/nacos-sdk-go/v2/vo"
)

func TestGetConfig(t *testing.T) {
	cc := constant.ClientConfig{
		NamespaceId: "",
		Username:    "nacos",
		Password:    "nacos",
	}
	var sc []constant.ServerConfig
	sc = append(sc, *constant.NewServerConfig(
		"192.168.50.100",
		8848,
		constant.WithScheme("http"),
		constant.WithContextPath("/nacos"),
	))
	configClient, err := clients.NewConfigClient(
		vo.NacosClientParam{
			ClientConfig:  &cc,
			ServerConfigs: sc,
		},
	)
	if err != nil {
		t.Fatal(err)
	}
	for i := 0; i < 100; i++ {
		content, err := configClient.GetConfig(vo.ConfigParam{
			DataId: "test",
			Group:  "DEFAULT_GROUP"})
		t.Log(i, content)
		if content == "" {
			t.Fatal("empty")
		}
		if err != nil {
			t.Fatal(err)
		}
	}
}

err msg in nacos-sdk.log

2023-12-05T21:33:05.798+0800    ERROR   config_client/config_client.go:234  get config from server error:ConfigQueryRequest is limited, dataId=test, group=DEFAULT_GROUP, namespaceId=
2023-12-05T21:33:05.798+0800    WARN    config_client/config_client.go:247  read config from cache success, dataId=test, group=DEFAULT_GROUP, namespaceId=   

What did you expect to see?

run test all ok

What did you see instead?

get empty content when loop 5 times