private static String encode(String text) {
        return new String(Base64.getEncoder().encode(text.getBytes(StandardCharsets.UTF_8)), StandardCharsets.UTF_8);
    }
@param text normal literal string
@return Base64 encoded UTF-8 string
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/IDManager.java