fix build error

Signed-off-by: Leo Chen <leo@harmony.one>

go.mod

@@ -31,7 +31,7 @@ require (
 	github.com/uber/jaeger-client-go v2.20.1+incompatible // indirect
 	github.com/uber/jaeger-lib v2.2.0+incompatible // indirect
 	github.com/valyala/fasthttp v1.2.0
-	github.com/valyala/fastjson v1.6.3 // indirect
+	github.com/valyala/fastjson v1.6.3
 	github.com/wangjia184/sortedset v0.0.0-20160527075905-f5d03557ba30 // indirect
 	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b

pkg/governance/request.go

@@ -4,9 +4,10 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"github.com/valyala/fastjson"
-	"io"
+	"io/ioutil"
 	"net/http"
+
+	"github.com/valyala/fastjson"
 )
 
 func getAndParse(url governanceApi, data interface{}) error {
@@ -30,7 +31,7 @@ func postAndParse(url governanceApi, postData []byte, data interface{}) error {
 }
 
 func parseAndUnmarshal(resp *http.Response, data interface{}) error {
-	bodyData, err := io.ReadAll(resp.Body)
+	bodyData, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		return err
 	}