private ShenyuRequest targetProcessor(final RequestTemplate requestTemplate, final Object[] args) {
        final RequestTemplate requestTemplateFrom = RequestTemplate.from(requestTemplate);
        ShenyuRequest request = requestTemplateFrom.request();
        for (RequestTemplate.ParamMetadata paramMetadata : requestTemplateFrom.getParamMetadataList()) {
            final Annotation[] paramAnnotations = paramMetadata.getParamAnnotations();
            for (Annotation paramAnnotation : paramAnnotations) {
                final AnnotatedParameterProcessor processor = annotatedArgumentProcessors.get(paramAnnotation.annotationType());
                if (ObjectUtils.isEmpty(processor)) {
                    continue;
                }
                processor.processArgument(request, paramAnnotation, args[paramMetadata.getParamIndexOnMethod()]);
            }
        }
        return request;
    }
invoke.

@param args args
@return {@link Object}
@throws IOException err
shenyu-sdk/shenyu-sdk-spring/src/main/java/org/apache/shenyu/sdk/spring/proxy/ShenyuClientMethodHandler.java