diff --git a/freesia.go b/freesia.go
index a719eef..b0513af 100644
--- a/freesia.go
+++ b/freesia.go
@@ -19,6 +19,7 @@ type Freesia struct {
 	store      Store
 	cache      *roc.Cache
 	dispatcher *curlew.Dispatcher
+	channel    string
 	pubSub     *redis.PubSub
 	logger     *logrus.Logger
 }
@@ -41,13 +42,10 @@ func New(store Store, setters ...Setter) (*Freesia, error) {
 	if err != nil {
 		return nil, err
 	}
-
-	f.pubSub = f.store.Subscribe(channel)
-
-	f.sub()
+	f.channel = channel
 
 	logger := logrus.New()
-	logger.SetLevel(logrus.InfoLevel)
+	logger.SetLevel(logrus.WarnLevel)
 	logger.SetOutput(os.Stdout)
 	logger.SetFormatter(&logrus.JSONFormatter{
 		TimestampFormat: "2006-01-02 15:04:05",
@@ -61,6 +59,9 @@ func New(store Store, setters ...Setter) (*Freesia, error) {
 		}
 	}
 
+	f.pubSub = f.store.Subscribe(f.channel)
+	f.sub()
+
 	return f, nil
 }
 
diff --git a/setter.go b/setter.go
index e6c0b8f..7fd7357 100644
--- a/setter.go
+++ b/setter.go
@@ -1,4 +1,22 @@
 package freesia
 
+import "github.com/sirupsen/logrus"
+
 // Setter 配置函数
 type Setter func(f *Freesia) error
+
+// WithChannel sets the pub sub channel.
+func WithChannel(channel string) Setter {
+	return func(f *Freesia) error {
+		f.channel = channel
+		return nil
+	}
+}
+
+// WithDebug sets the debug mode.
+func WithDebug() Setter {
+	return func(f *Freesia) error {
+		f.logger.SetLevel(logrus.DebugLevel)
+		return nil
+	}
+}