问变量在程序重启期间的持久性

EN

//Call package
var Discord = require("discord.js");
var caterpieBot = new Discord.Client();
var nextClubMeeting;

//Listener Event for recieved messages
caterpieBot.on("message", message =>
{
  var sender = message.author; // who sent the message
  var msg = message.content.toUpperCase();
  var prefix = "!" //command to interact with caterpieBot
  var tempMsg = msg;
  var splitMsg = tempMsg.split(":")


  if(splitMsg[0] === "CATERPIE, PLEASE SCHEDULE OUR NEXT CLUB MEETING FOR")
  {
      message.channel.send("Yes " + sender + ", I will schedule the next club meeting for: " + splitMsg[1])

      nextClubMeeting = splitMsg[1]; //I WANT "nextClubMeeting" TO //PERSIST ON RESTART!

  }