diff --git a/core/connection.go b/core/connection.go
index 78f44bf..01a519c 100644
--- a/core/connection.go
+++ b/core/connection.go
@@ -7,6 +7,7 @@ import (
 	"github.com/gorilla/websocket"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"repositories.action2quare.com/ayo/gocommon"
+	"repositories.action2quare.com/ayo/gocommon/logger"
 	"repositories.action2quare.com/ayo/gocommon/wshandler"
 )
 
@@ -89,7 +90,12 @@ func (cs *connections) writeMessage(acc primitive.ObjectID, src any) {
 	}
 
 	if bt, err := json.Marshal(src); err == nil {
-		conn.c.WriteMessage(websocket.TextMessage, bt)
+		pmsg, err := websocket.NewPreparedMessage(websocket.TextMessage, bt)
+		if err != nil {
+			logger.Println("connections.writeMessage failed :", err)
+		} else {
+			conn.c.WritePreparedMessage(pmsg)
+		}
 	}
 }
 
diff --git a/core/friend.go b/core/friend.go
index 9620c9b..5039240 100644
--- a/core/friend.go
+++ b/core/friend.go
@@ -144,7 +144,12 @@ func makeFriends(ctx context.Context, so *Social, conns *connections) (*friends,
 					}
 
 					if exists && srcmap != nil && len(srcmap.lastState) > 0 {
-						reg.l.c.WriteMessage(websocket.TextMessage, srcmap.lastState)
+						pmsg, err := websocket.NewPreparedMessage(websocket.TextMessage, srcmap.lastState)
+						if err != nil {
+							logger.Println("makeFriends.NewPreparedMessage failed :", err)
+						} else {
+							reg.l.c.WritePreparedMessage(pmsg)
+						}
 					}
 
 					if len(srcmap.listeners) == 0 && len(srcmap.lastState) == 0 {
@@ -167,13 +172,15 @@ func makeFriends(ctx context.Context, so *Social, conns *connections) (*friends,
 								delete(listeners, target)
 							}
 
+							pmsg, _ := websocket.NewPreparedMessage(websocket.TextMessage, srcmap.offline)
 							for _, l := range srcmap.listeners {
-								l.c.WriteMessage(websocket.TextMessage, srcmap.offline)
+								l.c.WritePreparedMessage(pmsg)
 							}
 						} else {
 							srcmap.lastState = []byte(state)
+							pmsg, _ := websocket.NewPreparedMessage(websocket.TextMessage, srcmap.lastState)
 							for _, l := range srcmap.listeners {
-								l.c.WriteMessage(websocket.TextMessage, srcmap.lastState)
+								l.c.WritePreparedMessage(pmsg)
 							}
 						}
 					} else if len(state) > 0 {