为什么用spring boot方式启动的时候不加载filter？/ Why is the filter not loaded when using spring boot to startup？

[lqscript]

SpringBootAppContext.class

    @Override
    protected void loadServants() {

        loadAppContextListeners();

        loadAppServants();
    }

SpringAppContext.class

    @Override
    protected void loadServants() {
        this.applicationContext = new ClassPathXmlApplicationContext("servants-spring.xml");

        loadAppContextListeners(this.applicationContext);

        loadAppServants(this.applicationContext);

        loadDefaultFilter();

        loadAppFilters(this.applicationContext);
    }

XmlAppContext.class

    @Override
    protected void loadServants() throws Exception {
        XMLConfigFile cfg = new XMLConfigFile();
        cfg.parse(getClass().getClassLoader().getResource("servants.xml").openStream());
        XMLConfigElement root = cfg.getRootElement();
        ArrayList<XMLConfigElement> elements = root.getChildList();
        loadInitParams(root.getChildListByName("context-param"));

        loadAppContextListeners(elements);

        loadAppServants(elements);
        
        loadDefaultFilter();
        
        loadAppFilters(elements);
        
    }