diff --git a/extractors/qq_test.go b/extractors/qq_test.go
index 6c72d190a..ca349f0fb 100644
--- a/extractors/qq_test.go
+++ b/extractors/qq_test.go
@@ -18,7 +18,7 @@ func TestQQ(t *testing.T) {
 			args: test.Args{
 				URL:     "https://v.qq.com/x/page/n0687peq62x.html",
 				Title:   "世界杯第一期：100秒速成！“伪球迷”世界杯生存指南",
-				Size:    23897406,
+				Size:    23759683,
 				Quality: "蓝光;(1080P)",
 			},
 		},
diff --git a/extractors/youku.go b/extractors/youku.go
index 3101abdc4..f3d9e6c58 100644
--- a/extractors/youku.go
+++ b/extractors/youku.go
@@ -96,7 +96,7 @@ func youkuUps(vid string) youkuData {
 	// grep -oE '"[0-9a-zA-Z+/=]{256}"' youku-player.min.js
 	ckey := "7B19C0AB12633B22E7FE81271162026020570708D6CC189E4924503C49D243A0DE6CD84A766832C2C99898FC5ED31F3709BB3CDD82C96492E721BDD381735026"
 	for _, ccode := range []string{config.Ccode} {
-		if ccode == "010101500003" {
+		if ccode == "0103010102" {
 			utid = generateUtdid()
 		}
 		url = fmt.Sprintf(
@@ -137,7 +137,7 @@ func hmacSha1(key []byte, msg []byte) []byte {
 func generateUtdid() string {
 	timestamp := int32(time.Now().Unix())
 	var buffer bytes.Buffer
-	buffer.Write(getBytes(timestamp))
+	buffer.Write(getBytes(timestamp - 60*60*8))
 	buffer.Write(getBytes(rand.Int31()))
 	buffer.WriteByte(0x03)
 	buffer.WriteByte(0x00)
diff --git a/extractors/youku_test.go b/extractors/youku_test.go
index a262f2bc5..9cfc42287 100644
--- a/extractors/youku_test.go
+++ b/extractors/youku_test.go
@@ -9,7 +9,7 @@ import (
 
 func TestYouku(t *testing.T) {
 	config.InfoOnly = true
-	config.Ccode = "010101500003"
+	config.Ccode = "0103010102"
 	tests := []struct {
 		name string
 		args test.Args
@@ -19,8 +19,8 @@ func TestYouku(t *testing.T) {
 			args: test.Args{
 				URL:     "http://v.youku.com/v_show/id_XMzUzMjE3NDczNg==.html",
 				Title:   "车事儿：智能汽车已经不在遥远 东风风光iX5发布",
-				Size:    22692900,
-				Quality: "mp4hd2 1280x720",
+				Size:    45185427,
+				Quality: "mp4hd3 1920x1080",
 			},
 		},
 		{
@@ -28,8 +28,8 @@ func TestYouku(t *testing.T) {
 			args: test.Args{
 				URL:     "http://v.youku.com/v_show/id_XMzQ1MTAzNjQwNA==.html",
 				Title:   "这！就是街舞 第一季 第3期：百强“互杀”队长不忍直视",
-				Size:    750911635,
-				Quality: "mp4hd2 1280x720 国语",
+				Size:    1419459808,
+				Quality: "mp4hd3 1920x1080 国语",
 			},
 		},
 	}
diff --git a/main.go b/main.go
index 45f462975..8cd6a5abb 100644
--- a/main.go
+++ b/main.go
@@ -37,7 +37,7 @@ func init() {
 		"Playlist video items to download. Separated by commas like: 1,5,6",
 	)
 	flag.BoolVar(&config.Caption, "C", false, "Download captions")
-	flag.StringVar(&config.Ccode, "ccode", "010101500003", "Youku ccode")
+	flag.StringVar(&config.Ccode, "ccode", "0103010102", "Youku ccode")
 	flag.IntVar(
 		&config.RetryTimes, "retry", 100, "How many times to retry when the download failed",
 	)