Method becomeMaster

Clockin.js:64–71

()

        // 成为主窗口
        becomeMaster() {
            this.isMaster = true;
            localStorage.setItem(STORAGE_KEYS.masterWindow, this.windowId);
            localStorage.setItem(STORAGE_KEYS.lastHeartbeat, Date.now().toString());
            
            // 设置下一个整点签到
            this.scheduleNextHourlySign();
        }

        // 心跳机制
        startHeartbeat() {