@Test
    public void test_crawlerHotthreadType() {
        assertEquals("cpu", fessConfig.getCrawlerHotthreadType());
    }

    // Test property not found exception
    @Test
    public void test_propertyNotFound() {
        try {
            fessConfig.get("non.existent.property");
            fail("Should throw ConfigPropertyNotFoundException");
        } catch (ConfigPropertyNotFoundException e) {