diff --git a/internal/api/msg.go b/internal/api/msg.go
index 9417a048e..c595308eb 100644
--- a/internal/api/msg.go
+++ b/internal/api/msg.go
@@ -217,7 +217,7 @@ func (m *Message) SendMessage(c *gin.Context) {
 		Status: int32(status),
 	})
 	if err != nil {
-		log.NewError(mcontext.GetOperationID(c), "SetSendMsgStatus failed")
+		log.ZError(c, "SetSendMsgStatus failed", err)
 	}
 	apiresp.GinSuccess(c, respPb)
 }
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 7336fa22e..81f7b27e2 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -175,9 +175,9 @@ func GetConversationIDByMsg(msg *sdkws.MsgData) string {
 	case constant.SingleChatType:
 		l := []string{msg.SendID, msg.RecvID}
 		sort.Strings(l)
-		return "n_" + strings.Join(l, "_") // single chat
+		return "si_" + strings.Join(l, "_") // single chat
 	case constant.GroupChatType:
-		return "n_" + msg.GroupID // group chat
+		return "g_" + msg.GroupID // group chat
 	case constant.SuperGroupChatType:
 		return "sg_" + msg.GroupID // super group chat
 	case constant.NotificationChatType: