Sometimes players teleports to back public server

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,
1

When im updateing the game, Im shutdowning the servers. Or there is auto rejoining code that teleports player back to game in like being afk for 18 minutes.

the problem is some players in private servers are teleporting to the public servers. When i tried to migrate it is still same. what can I do?

heres the codes:
Shutdown code;

local function bindToClose(reason)
	Knit.CallFunction("BindToCloseCalled", reason)
	ShutdownService.Client.BindToCloseCalled:FireAll(reason)
	workspace:SetAttribute("bindToCloseCalled", reason)
	
	local playerList = Players:GetPlayers()
	if #playerList == 0 then
		return
	end
	
	local serverType = UTIL.getServerType()
	local teleportData = {
		ShutdownTeleport = true
	}
	
	local teleportOptions = Instance.new("TeleportOptions")
	teleportOptions:SetTeleportData(teleportData)
	
	if serverType == "ReservedServer" then
		teleportOptions.ShouldReserveServer = true
	end
	
	task.wait(SHUTDOWN_START_DELAY)
	
	playerList = Players:GetPlayers()
	if #playerList == 0 then
		return
	end
	UTIL.safe.teleport(PLACE_ID, playerList, teleportOptions)
	
	local pastTime = 0
	repeat
		task.wait(1)
		pastTime += 1
	until pastTime >= SHUTDOWN_WAIT_TIME or #Players:GetPlayers() == 0
end

Rejoin code;

local function onTeleportSameGame(player)
	local playerClass = PlayerService:getClass("player", player)
	if not playerClass then
		return
	end
	
	local serverType = UTIL.getServerType()
	local teleportOptions
	
	if serverType == "StandardServer" and #Players:GetPlayers() ~= 1 then
		teleportOptions = Instance.new("TeleportOptions")
		teleportOptions.ServerInstanceId = game.JobId
	end
	
	playerClass.IgnoreKick = true
	playerClass:Destroy()
	UTIL.safe.teleport(PLACE_ID, {player}, teleportOptions)
	
	local pastTime = 0
	repeat
		task.wait(1)
		pastTime += 1
	until pastTime >= SHUTDOWN_WAIT_TIME or #Players:GetPlayers() == 0
end