问节点智能卡在扫描卡时抛出SCardConnect错误和断开后的SCardListReaders错误

EN

Error: SCardConnect error: 
SCardConnect error: The smart card cannot be accessed because of other connections outstanding.
(0x8010000b)

const smartcard = require('smartcard');
const Devices = smartcard.Devices;
const devices = new Devices();
let currentDevices = [];

//something else

app.run(function($rootScope) {
let registerDevices = function (event) {
    currentDevices = event.devices;
    currentDevices.forEach(function (device) {
        device.on('card-inserted', event => {
            let card = event.card;
            console.log(`Card '${card.getAtr()}' inserted into '${card.device}'`);
            $rootScope.$broadcast('card-attach',card.getAtr());
        });
        device.on('card-removed', event => {
        });
        device.on('error', event => {
            console.error("Card Reader Error: " + event);
        });
    });
};

devices.on('device-activated', event => {
    console.log("Reader added :" + event.device);
    registerDevices(event);
});

devices.on('device-deactivated', event => {
    console.log("Reader removed :" + event.device);
    registerDevices(event);
});
});

events.js:160 Uncaught Error: SCardListReaders error: The Smart Card Resource Manager is not running.
(0x8010001d)

events.js:163 Uncaught Error: Uncaught, unspecified "error" event. ([object Object])