diff --git a/socket/readwrite.go b/socket/readwrite.go
index b7e2308..b2cc7d5 100644
--- a/socket/readwrite.go
+++ b/socket/readwrite.go
@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"io"
 	"time"
+
+	logging "git.loafle.net/commons/logging-go"
 )
 
 func connReadHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-chan struct{}, doneChan chan<- error, readChan chan<- []byte) {
@@ -53,6 +55,7 @@ func connReadHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-ch
 			if IsUnexpectedCloseError(err, CloseGoingAway, CloseAbnormalClosure) {
 				err = fmt.Errorf("Read error %v", err)
 			}
+			logging.Logger().Debug(err)
 			return
 		}
 
@@ -91,11 +94,13 @@ func connWriteHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-c
 
 			wc, err = conn.NextWriter(TextMessage)
 			if err != nil {
+				logging.Logger().Debug(err)
 				return
 			}
 			wc.Write(message)
 
 			if err = wc.Close(); nil != err {
+				logging.Logger().Debug(err)
 				return
 			}
 		case <-ticker.C:
@@ -105,6 +110,7 @@ func connWriteHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-c
 				conn.SetWriteDeadline(time.Time{})
 			}
 			if err = conn.WriteMessage(PingMessage, nil); nil != err {
+				logging.Logger().Debug(err)
 				return
 			}
 		case <-stopChan: