small fix

plugins/service.go

@@ -4,10 +4,11 @@ import "git.nix13.pw/scuroneko/laniakea"
 
 func RegisterService(bot *laniakea.Bot) {
 	p := laniakea.NewPlugin("service")
-	p = p.Payload(generalClose, "general.close")
+	p.Payload(generalClose, "general.close")
 	bot.AddPlugins(p.Build())
 }
 
 func generalClose(ctx *laniakea.MsgContext, _ *laniakea.DatabaseContext) {
 	ctx.CallbackDelete()
+	ctx.AnswerCbQuery()
 }