apollo-client/src/main/java/com/ctrip/framework/apollo/spring/annotation/SpringValueProcessor.java/SpringValueProcessor/postProcessBeanFactory
class SpringValueProcessor:  @Override
  public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
      throws BeansException {
    if (configUtil.isAutoUpdateInjectedSpringPropertiesEnabled() && beanFactory instanceof BeanDefinitionRegistry) {
      beanName2SpringValueDefinitions = SpringValueDefinitionProcessor
          .getBeanName2SpringValueDefinitions((BeanDefinitionRegistry) beanFactory);
    }
  }