问以HTML/JavaScript格式保存会导致极大的延迟并且无法工作

EN

const local = window.localStorage;

class Save {
    constructor () {
        this._last_props = {"total-coins":0,"total-achi":0,"lifeclicks":0,"lifecoins":0,"lifeautoclicks":0};
    }
    __reset_everything () {
        this.populate();
        this.__init_lifetime();
        this.load();
    }
    __init_lifetime () {
        local.setItem("lifeclicks","0");
        local.setItem("lifecoins","0");
        local.setItem("lifeautoclicks","0");
    }
    populate () {
        local.setItem("total-coins","0");
        local.setItem("achievements","");
        local.setItem("bought","");
        local.setItem("pastry-level","0");
        local.setItem("cps","0");
        local.setItem("mcm","1");
    }
    load () {
        player_coins = Number(local.getItem("total-coins"));
        this._last_props["total-coins"] = player_coins;
        cps = Number(local.getItem("cps"));
        this._last_props["cps"] = cps;
        mcm = Number(local.getItem("mcm"));
        this._last_props["mcm"] = mcm;
        lifetimeclicks = Number(local.getItem("lifeclicks"));
        this._last_props["lifeclicks"] = lifetimeclicks;
        lifetimecoins = Number(local.getItem("lifecoins"));
        this._last_props["lifecoins"] = lifetimecoins;
        lifeautoclicks = Number(local.getItem("lifeautoclicks"));
        this._last_props["lifeautoclicks"] = lifeautoclicks;
        const achi_names = local.getItem("achievements").split("|");
        if (achi_names[0].length > 0) {
            achievementManager._load_achi(achi_names);
        }
        this._last_props["total-achi"] = achievementManager._completed_achievements.length;
    }
    save () {
        if (player_coins !== this._last_props["total-coins"]) {
            this._last_props["total-coins"] = player_coins;
            local.setItem("total-coins",player_coins.toString());
        }
        if (lifetimeclicks !== this._last_props["lifeclicks"]) {
            this._last_props["lifeclicks"] = lifetimeclicks;
            local.setItem("lifeclicks",lifetimeclicks.toString());
        }
        if (lifetimecoins !== this._last_props["lifecoins"]) {
            this._last_props["lifecoins"] = lifetimecoins;
            local.setItem("lifecoins",lifetimecoins.toString());
        }
        if (lifeautoclicks !== this._last_props["lifeautoclicks"]) {
            this._last_props["lifeautoclicks"] = lifeautoclicks;
            local.setItem("lifeautoclicks",lifeautoclicks.toString());
        }
        if (cps !== this._last_props["cps"]) {
            this._last_props["cps"] = cps;
            local.setItem("cps",cps.toString());
        }
        if (mcm !== this._last_props["mcm"]) {
            this._last_props["mcm"] = mcm;
            local.setItem("mcm",mcm.toString());
        }
        const al = achievementManager._completed_achievements;
        if (al.length !== this._last_props["total-achi"]) {
            this._last_props["total-achi"] = al.length;
            let cln = [];
            for (let i = 0; i < al.length; i ++) {
                cln.push(al[i][1]);
            }
            local.setItem("achievements",cln.join("|"));
        }
    }
}

const save = new Save();

if (local.getItem("total-coins") === null && false) {
    save.populate();
    save.__init_lifetime();
} else {
    save.load();
}

function savegame () {
    save.save();
    document.getElementById("auto-save-icon").className = "";
    execAfterDelay(function(){document.getElementById("auto-save-icon").className="auto-save-icon-class"});
}

let repeat_save_id = self.setInterval(savegame,600000);

function game_full_reset () {
    switch_tab(0);
    save.__reset_everything();
}