private Properties readWithoutLock(File file) throws IOException {
    Properties properties = new Properties();
    if (file.exists()) {
      try (FileInputStream inputStream = new FileInputStream(formalFile);
          Reader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8)) {
        properties.load(reader);
      }
    }
    return properties;
  }
Put key and value into properties

@param keyOrValue [key0, value0, key1, value1, ... ]
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/file/SystemPropertiesHandler.java