diff --git a/designer-base/src/main/java/com/fr/design/os/impl/MacOsAddListenerAction.java b/designer-base/src/main/java/com/fr/design/os/impl/MacOsAddListenerAction.java
index 3dd462b8f..d2ab57620 100644
--- a/designer-base/src/main/java/com/fr/design/os/impl/MacOsAddListenerAction.java
+++ b/designer-base/src/main/java/com/fr/design/os/impl/MacOsAddListenerAction.java
@@ -15,6 +15,10 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 
 /**
+ * com.apple.eawt.Application属于jdk1.8及以下mac jdk特有的api
+ * 在jdk9中被移除，由Desktop.getDesktop().setQuitHandler等jdk9.0引入的新api替代
+ * 参见 https://stackoverflow.com/questions/38381824/how-can-i-use-apple-com-apple-eawt-functionality-on-java-8
+ *
  * @author hades
  * @version 10.0
  * Created by hades on 2020/3/13
@@ -33,6 +37,8 @@ public class MacOsAddListenerAction implements OSBasedAction {
             Reflect.on(application).call("setQuitHandler", quitInstance)
                                                                     .call("setAboutHandler", aboutInstance);
         } catch (ClassNotFoundException e) {
+            // 上面的不能移除，同时要保证再jdk1.8下面能运行
+            // 抛出异常时 说明使用>=jdk9运行行设计器，但由于编译使用1.8构建，使用反射运行
             try {
                 Class quitHandler = Class.forName("java.awt.desktop.QuitHandler");
                 Object quitInstance = getProxy(quitHandler, "handleQuitRequestWith", new QuitAction());