diff --git a/platformapi/platformapi.go b/platformapi/platformapi.go
index aab9b2ed..e305d9d5 100644
--- a/platformapi/platformapi.go
+++ b/platformapi/platformapi.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"io"
 	"io/ioutil"
 	"math"
 	"net"
@@ -81,15 +80,14 @@ var (
 	ErrStrCallbackSignatureIsWrong = "wrong signature"
 )
 
-func getClonedData(requestURL *url.URL, r *bytes.Buffer) string {
+func getClonedData(requestURL *url.URL, data []byte) string {
 	if strings.Index(requestURL.String(), "uploadImg") >= 0 {
 		return "binary content"
 	}
-	retVal := string(r.Bytes())
-	if len(retVal) > maxDataSizeDontOutput {
+	if len(data) > maxDataSizeDontOutput {
 		return "request data is too large"
 	}
-	return retVal
+	return string(data)
 }
 
 func NewDefAPIConfig() (conf *APIConfig) {
@@ -101,10 +99,16 @@ func AccessPlatformAPIWithRetry(client *http.Client, handleRequest func() *http.
 	exceedLimitRetryCount := 0
 	recoverableErrorRetryCount := 0
 	for {
-		savedBuf := new(bytes.Buffer)
+		var savedBuf []byte
 		request := handleRequest()
 		if request.Body != nil {
-			request.Body = ioutil.NopCloser(io.TeeReader(request.Body, savedBuf))
+			savedBuf2, err2 := ioutil.ReadAll(request.Body)
+			if err2 == nil {
+				savedBuf = savedBuf2
+				request.Body = ioutil.NopCloser(bytes.NewReader(savedBuf))
+			} else {
+				baseapi.SugarLogger.Warnf("AccessPlatformAPIWithRetry failed with err:%v", err2)
+			}
 		}
 		beginTime := time.Now()
 		trackInfo := request.Header.Get(KeyTrackInfo)