diff --git a/pkg/yutuber/channel.go b/pkg/yutuber/channel.go
index 7bc1f31..d9bfe6d 100644
--- a/pkg/yutuber/channel.go
+++ b/pkg/yutuber/channel.go
@@ -12,10 +12,10 @@ import (
 )
 
 var (
-	service          *youtube.Service = auth.NewY2BService()
-	part             []string         = []string{"snippet", "statistics"}
-	errGetChannel    error            = errors.New("failed to get channel")
-	errUpdateChannel error            = errors.New("failed to update channel")
+	service          *youtube.Service
+	part             []string = []string{"snippet", "statistics"}
+	errGetChannel    error    = errors.New("failed to get channel")
+	errUpdateChannel error    = errors.New("failed to update channel")
 )
 
 type Channel struct {
@@ -35,6 +35,7 @@ type ChannelOption func(*Channel)
 
 func NewChannel(opts ...ChannelOption) *Channel {
 	c := &Channel{}
+	service = auth.NewY2BService()
 
 	for _, opt := range opts {
 		opt(c)
diff --git a/pkg/yutuber/playlist.go b/pkg/yutuber/playlist.go
index 399c24a..6689ba8 100644
--- a/pkg/yutuber/playlist.go
+++ b/pkg/yutuber/playlist.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 
+	"github.com/eat-pray-ai/yutu/pkg/auth"
 	"github.com/eat-pray-ai/yutu/pkg/utils"
 
 	"google.golang.org/api/youtube/v3"
@@ -37,6 +38,7 @@ type PlaylistOption func(*Playlist)
 
 func NewPlaylist(opts ...PlaylistOption) *Playlist {
 	p := &Playlist{}
+	service = auth.NewY2BService()
 
 	for _, opt := range opts {
 		opt(p)
diff --git a/pkg/yutuber/playlistItem.go b/pkg/yutuber/playlistItem.go
index 48562d7..172c87d 100644
--- a/pkg/yutuber/playlistItem.go
+++ b/pkg/yutuber/playlistItem.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 
+	"github.com/eat-pray-ai/yutu/pkg/auth"
 	"github.com/eat-pray-ai/yutu/pkg/utils"
 	"google.golang.org/api/youtube/v3"
 )
@@ -36,6 +37,7 @@ type PlaylistItemOption func(*PlaylistItem)
 
 func NewPlaylistItem(opts ...PlaylistItemOption) *PlaylistItem {
 	p := &PlaylistItem{}
+	service = auth.NewY2BService()
 
 	for _, opt := range opts {
 		opt(p)
diff --git a/pkg/yutuber/video.go b/pkg/yutuber/video.go
index e0a9393..73155ea 100644
--- a/pkg/yutuber/video.go
+++ b/pkg/yutuber/video.go
@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 
+	"github.com/eat-pray-ai/yutu/pkg/auth"
 	"github.com/eat-pray-ai/yutu/pkg/utils"
 	"google.golang.org/api/youtube/v3"
 )
@@ -48,6 +49,8 @@ type VideoOption func(*Video)
 
 func NewVideo(opts ...VideoOption) *Video {
 	v := &Video{}
+	service = auth.NewY2BService()
+
 	for _, opt := range opts {
 		opt(v)
 	}