diff --git a/business/jxstore/event/event.go b/business/jxstore/event/event.go
index e081911e3..462eade9a 100644
--- a/business/jxstore/event/event.go
+++ b/business/jxstore/event/event.go
@@ -704,9 +704,6 @@ func SendSysMessage(ctx *jxcontext.Context, imMessageRecord *model.ImMessageReco
 		//循环map客户端
 		for _, client := range wsClient.Clients[groupID] {
 			globals.SugarLogger.Debugf("msg %v", utils.Format4Output(imMessageRecord, false))
-			if imMessageRecord.CreatedAt == utils.ZeroTimeValue {
-				imMessageRecord.CreatedAt = time.Now()
-			}
 			err = client.WriteJSON(imMessageRecord)
 			if err != nil {
 				globals.SugarLogger.Debugf("client.WriteJSON error: %v", err)
@@ -715,11 +712,10 @@ func SendSysMessage(ctx *jxcontext.Context, imMessageRecord *model.ImMessageReco
 			}
 		}
 	} else {
+		wsClient.s.RLock()
 		client := wsClient.Clients[groupID][userID]
+		wsClient.s.RUnlock()
 		globals.SugarLogger.Debugf("msg %v", utils.Format4Output(imMessageRecord, false))
-		if imMessageRecord.CreatedAt == utils.ZeroTimeValue {
-			imMessageRecord.CreatedAt = time.Now()
-		}
 		err = client.WriteJSON(imMessageRecord)
 		if err != nil {
 			globals.SugarLogger.Debugf("client.WriteJSON error: %v", err)