diff --git a/core/client.go b/core/client.go
index d22b4ac2f..4013b047a 100644
--- a/core/client.go
+++ b/core/client.go
@@ -280,11 +280,6 @@ func (c *Client) Close() (err error) {
 	return err
 }
 
-// EnableDebug enables the development model for logging.
-// func (c *Client) EnableDebug() {
-// 	logger.EnableDebug()
-// }
-
 // WriteFrame writes a frame to the connection, gurantee threadsafe.
 func (c *Client) WriteFrame(frm frame.Frame) error {
 	// write on QUIC stream
diff --git a/core/log/logger.go b/core/log/logger.go
index 03fc45150..79134c383 100644
--- a/core/log/logger.go
+++ b/core/log/logger.go
@@ -24,7 +24,7 @@ type Logger interface {
 	SetLevel(Level)
 	// SetEncoding sets the logger's encoding
 	SetEncoding(encoding string)
-	// Printf logs a message wihout level
+	// Printf logs a message without level
 	Printf(template string, args ...interface{})
 	// Debugf logs a message at DebugLevel
 	Debugf(template string, args ...interface{})
diff --git a/pkg/logger/logger.go b/pkg/logger/logger.go
index 7b0699d92..3f4ad1de8 100644
--- a/pkg/logger/logger.go
+++ b/pkg/logger/logger.go
@@ -7,9 +7,19 @@ import (
 	"github.com/yomorun/yomo/core/log"
 )
 
-var logger = Default(isEnableDebug())
+var logger log.Logger
+
+func init() {
+	logger = Default(isEnableDebug())
+}
+
+// SetLogger allows developers to customize the logger instance.
+func SetLogger(l log.Logger) {
+	logger = l
+}
 
 // EnableDebug enables the development model for logging.
+// Deprecated
 func EnableDebug() {
 	logger = Default(true)
 }