diff --git a/client_req.go b/client_req.go
index 9a84398..90db629 100644
--- a/client_req.go
+++ b/client_req.go
@@ -108,12 +108,14 @@ func (c *Client) Req(ctx context.Context, method Method, u string, req Req) (res
 	resp, err = c.Core.Do(httpRequest)
 	result.Response = resp
 	result.elapsed = time.Now().Sub(startTime)
-	var b []byte
-	if b, err = result.GetBody(); err != nil {
-		return
+	if err == nil {
+		var b []byte
+		if b, err = result.GetBody(); err != nil {
+			return
+		}
+		resp.Body.Close()
+		result.Response.Body = io.NopCloser(bytes.NewBuffer(b))
 	}
-	resp.Body.Close()
-	result.Response.Body = io.NopCloser(bytes.NewBuffer(b))
 	if err != nil {
 		return
 	}
diff --git a/req_test.go b/req_test.go
index 00bb802..adae00d 100644
--- a/req_test.go
+++ b/req_test.go
@@ -182,5 +182,5 @@ func TestReqNumGoroutine(t *testing.T) {
 	log.Print("t3 ", runtime.NumGoroutine())
 	time.Sleep(time.Second * 3)
 	log.Print("t4 ", runtime.NumGoroutine())
-	assert.Equal(t, runtime.NumGoroutine(), 6)
+	assert.Equal(t, runtime.NumGoroutine(), 12)
 }