@GetMapping("/resilience4j")
    public Object resilience4jFallBack() {
        return ShenyuResultWrap.error(ShenyuResultEnum.RESILIENCE4J_PLUGIN_FALLBACK, null);
    }
default fallback for resilience4j.

@return the shenyu result
shenyu-web/src/main/java/org/apache/shenyu/web/fallback/DefaultFallbackController.java