perf[module]: Scheduler启动注释

scheduler/src/main/java/com/zfoo/scheduler/SchedulerContext.java

@@ -80,8 +80,7 @@ public class SchedulerContext implements ApplicationListener<ApplicationContextE
 
         logger.info("Scheduler shutdown gracefully.");
     }
-
-
+    
     @Override
     public void onApplicationEvent(ApplicationContextEvent event) {
         if (event instanceof ContextRefreshedEvent) {
@@ -89,7 +88,9 @@ public class SchedulerContext implements ApplicationListener<ApplicationContextE
             SchedulerContext.instance = this;
             instance.applicationContext = event.getApplicationContext();
             inject();
+            // 启动位于SchedulerBus的static静态代码块中
         } else if (event instanceof ContextClosedEvent) {
+            // 反射获取executor,关闭掉
             shutdown();
         }
     }