java.lang.NullPointerException: it must not be null at com.ikuai.tool.utils.ToolNetworkUtils.isPingOk(ToolNetworkUtils.kt:78) com.ikuai.tool.terminal.utils.DeviceScanTask$DeviceScanRunnable.run(DeviceScanTask.java:32) at java.lang.Thread.run(Thread.java:764)