String namespace = NamesrvUtil.NAMESPACE_PROJECT_CONFIG;
if (commandLine.hasOption("i")) {
String ip = commandLine.getOptionValue('i').trim();
defaultMQAdminExt.start();
defaultMQAdminExt.deleteKvConfig(namespace, ip);
System.out.printf("delete project group from namespace by server ip success.\n");
}
else if (commandLine.hasOption("p")) {
String project = commandLine.getOptionValue('p').trim();
defaultMQAdminExt.start();