src/main/java/com/zy/system/entity/license/AbstractServerInfos.java
@@ -84,6 +84,10 @@ protected String getMacByInetAddress(InetAddress inetAddr){ try { byte[] mac = NetworkInterface.getByInetAddress(inetAddr).getHardwareAddress(); if (mac == null) { return null; } StringBuffer stringBuffer = new StringBuffer(); for(int i=0;i<mac.length;i++){