@SuppressWarnings("unchecked")
    public <T> RefererConfig<T> get(final String path) {
        try {
            return (RefererConfig<T>) cache.get(path);
        } catch (ExecutionException e) {
            throw new ShenyuException(e);
        }
    }
@Test
    public void testGet() {
        ApplicationConfigCache applicationConfigCache = ApplicationConfigCache.getInstance();
        Assertions.assertEquals(applicationConfigCache.get("/motan").toString(), "<motan:referer />");
    }