diff --git a/config/config.yaml b/config/config.yaml
index 3b3483b0a..991f3230a 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -603,7 +603,7 @@ notification:
   #####################conversation#########################
   conversationOptUpdate:
     conversation:
-      reliabilityLevel: 2
+      reliabilityLevel: 1
       unreadCount: false
       offlinePush:
         switch: true
diff --git a/internal/rpc/conversation/conversaion.go b/internal/rpc/conversation/conversaion.go
index 7012e0924..6f79d89df 100644
--- a/internal/rpc/conversation/conversaion.go
+++ b/internal/rpc/conversation/conversaion.go
@@ -70,6 +70,9 @@ func (rpc *rpcConversation) ModifyConversationField(c context.Context, req *pbCo
 		err = imdb.UpdateColumnsConversations(haveUserID, req.Conversation.ConversationID, map[string]interface{}{"ex": conversation.Ex})
 	case constant.FieldAttachedInfo:
 		err = imdb.UpdateColumnsConversations(haveUserID, req.Conversation.ConversationID, map[string]interface{}{"attached_info": conversation.AttachedInfo})
+	case constant.FieldUnread:
+		err = imdb.UpdateColumnsConversations(haveUserID, req.Conversation.ConversationID, map[string]interface{}{"unread_count": conversation.UnreadCount})
+
 	}
 	if err != nil {
 		log.NewError(req.OperationID, utils.GetSelfFuncName(), "UpdateColumnsConversations error", err.Error())
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 97746a294..256ecc32e 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -217,6 +217,7 @@ const (
 	FieldGroupAtType   = 5
 	FieldIsNotInGroup  = 6
 	FieldEx            = 7
+	FieldUnread        = 8
 )
 
 const (