private void addHeader(final HttpHeaders headers,
                           final Map<String, Object> body,
                           final List<DefaultJwtRuleHandle.Convert> converters) {
        for (DefaultJwtRuleHandle.Convert converter : converters) {

            if (StringUtils.isEmpty(converter.getHeaderVal()) || StringUtils.isEmpty(converter.getJwtVal())) {
                continue;
            }

            if (converter.getJwtVal().contains(".")) {
                headers.add(converter.getHeaderVal(), parse(body, converter.getJwtVal().split("\\."), new AtomicInteger(0)));
            }
            headers.add(converter.getHeaderVal(), String.valueOf(body.get(converter.getJwtVal())));

        }
    }
add header.

@param headers    headers
@param body       body
@param converters converters
shenyu-plugin/shenyu-plugin-security/shenyu-plugin-jwt/src/main/java/org/apache/shenyu/plugin/jwt/strategy/DefaultJwtConvertStrategy.java