diff --git a/internal/rpc/msg/rpcChat.go b/internal/rpc/msg/rpcChat.go
index 00dc51161..1dee643c7 100644
--- a/internal/rpc/msg/rpcChat.go
+++ b/internal/rpc/msg/rpcChat.go
@@ -94,6 +94,7 @@ func (rpc *rpcChat) runCh() {
 			if err := db.DB.DelMsgBySeqList(msg.UserID, msg.SeqList, msg.OperationID); err != nil {
 				log.NewError(msg.OperationID, utils.GetSelfFuncName(), "DelMsgBySeqList qrgs: ", msg.UserID, msg.SeqList, msg.OperationID, err.Error())
 			}
+			db.DataBases.DelMsgFromCache(msg.SeqList, msg.UserID, msg.OperationID)
 		}
 	}
 }
diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 79ee58b5a..32ff05326 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -313,3 +313,31 @@ func (d *DataBases) SetMessageToCache(msgList []*pbChat.MsgDataToMQ, uid string,
 	}
 	return nil
 }
+
+func (d *DataBases) DelMsgFromCache(seqList []uint32, uid, operationID string) {
+	for _, seq := range seqList {
+		key := messageCache + uid + "_" + strconv.Itoa(int(seq))
+		result, err := redis.String(d.Exec("GET", key))
+		if err != nil {
+			log2.NewWarn(operationID, utils.GetSelfFuncName(), "redis failed", "args:", key)
+			continue
+		}
+		log2.Debug(operationID, utils.GetSelfFuncName(), "del result", result)
+		var msg pbCommon.MsgData
+		err = utils.String2Pb(result, &msg)
+		if err != nil {
+			log2.NewWarn(operationID, utils.GetSelfFuncName(), "string2Pb failed", msg, err.Error())
+			continue
+		}
+		msg.Status = 4
+		s, err := utils.Pb2String(&msg)
+		if err != nil {
+			log2.NewWarn(operationID, utils.GetSelfFuncName(), "Pb2String failed", msg, err.Error())
+			continue
+		}
+		_, err = d.Exec("SET", key, s, "ex", config.Config.MsgCacheTimeout)
+		if err != nil {
+			log2.NewWarn(operationID, utils.GetSelfFuncName(), "redis failed", "args:", key, msg, s)
+		}
+	}
+}
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 4c3e9e5f3..5346292ac 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -143,7 +143,10 @@ func Pb2String(pb proto.Message) (string, error) {
 		EmitDefaults: false,
 	}
 	return marshaler.MarshalToString(pb)
+}
 
+func String2Pb(s string, pb proto.Message) error {
+	return proto.Unmarshal([]byte(s), pb)
 }
 
 func Map2Pb(m map[string]interface{}) (pb proto.Message, err error) {