private ServerWebExchange convert(final ServerWebExchange exchange,
                                      final Map<String, Object> jwtBody, final List<DefaultJwtRuleHandle.Convert> converters) {
        ServerHttpRequest modifiedRequest = exchange.getRequest().mutate().headers(httpHeaders -> this.addHeader(httpHeaders, jwtBody, converters)).build();
        return exchange.mutate().request(modifiedRequest).build();
    }
The parameters in token are converted to request header.

@param exchange exchange
@return ServerWebExchange exchange.
shenyu-plugin/shenyu-plugin-security/shenyu-plugin-jwt/src/main/java/org/apache/shenyu/plugin/jwt/strategy/DefaultJwtConvertStrategy.java