diff --git a/pkg/tool/kubectl/common.go b/pkg/tool/kubectl/common.go
index b804e84..a6b7be8 100644
--- a/pkg/tool/kubectl/common.go
+++ b/pkg/tool/kubectl/common.go
@@ -151,22 +151,24 @@ func ServerAccountRequest(opts K8sRequestOption) (string, error) {
 	}
 	//defer resp.Body.Close()
 
+	content, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", &errors.CDKRuntimeError{Err: err, CustomMsg: "err found in post request."}
+	}
+
+	res := string(content)
+
 	// Fix a bug reported by the author of crossc2 on whc2021.
 	// When the DeployBackdoorDaemonset call fails and returns an error, it will still feedback true.
 	if !util.IntContains(MaybeSuccessfulStatuscodeList, resp.StatusCode) {
 		errMsg := fmt.Sprintf("err found in post request, error response code: %v.", resp.Status)
-		return "", &errors.CDKRuntimeError{
+		return res, &errors.CDKRuntimeError{
 			Err:       err,
 			CustomMsg: errMsg,
 		}
 	}
 
-	content, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return "", &errors.CDKRuntimeError{Err: err, CustomMsg: "err found in post request."}
-	}
-
-	return string(content), nil
+	return res, nil
 }
 
 func GetServerVersion(serverAddr string) (string, error) {