diff --git a/internal/logic/domain/group/model/group.go b/internal/logic/domain/group/model/group.go
index a55d751..9596002 100644
--- a/internal/logic/domain/group/model/group.go
+++ b/internal/logic/domain/group/model/group.go
@@ -107,6 +107,7 @@ func (g *Group) Update(ctx context.Context, in *pb.UpdateGroupReq) error {
 	g.AvatarUrl = in.AvatarUrl
 	g.Introduction = in.Introduction
 	g.Extra = in.Extra
+	g.UpdateTime = time.Now()
 	return nil
 }