修复错误添加空的锁Nfc

src/interactive/InteractiveCAN.cpp

@@ -501,6 +501,7 @@ void InteractiveCAN::slotHttpResponseGetIsolationPointInfo(QByteArray data)
                 if (WorkNodeFormModel::instance()->modelType() == QString("isolation")) {
                     m_pointInfo.append(info);
                     if (m_pointInfo.length() == m_isolationPoints.length()) {
+                        m_lockRFIDs.clear();
                         getLockRFIDs(m_lockRFIDs);      // 获取锁的信息
                     }
                 }

src/usr/CANClient.cpp

@@ -1621,6 +1621,7 @@ bool CANClient::getLockRfids(int lockCount, QMap<int, QString> &rfids)
                 if (m_locksRFIDStatus[iter.key()].lockRFIDMap.find(hasKeyIter.key()) == m_locksRFIDStatus[iter.key()].lockRFIDMap.end()) {
                     continue;
                 }
+                if (m_locksRFIDStatus[iter.key()].lockRFIDMap[hasKeyIter.key()].isEmpty()) continue;
                 rfids.insert(hasKeyIter.key(), m_locksRFIDStatus[iter.key()].lockRFIDMap[hasKeyIter.key()]);
 
                 if (rfids.count() >= lockCount) {