From 22b80c5ac814b7cf418e53fb7d05b98f5aa1bcc5 Mon Sep 17 00:00:00 2001
From: xuxueli <931591021@qq.com>
Date: Thu, 2 Jan 2020 21:41:03 +0800
Subject: [PATCH] update document

---
 doc/XXL-JOB官方文档.md                                    | 1 +
 .../main/java/com/xxl/job/core/handler/annotation/XxlJob.java | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/XXL-JOB官方文档.md b/doc/XXL-JOB官方文档.md
index e5bace98..9fc06251 100644
--- a/doc/XXL-JOB官方文档.md
+++ b/doc/XXL-JOB官方文档.md
@@ -1687,6 +1687,7 @@ public ReturnT<String> execute(String param) {
 
 ### 6.28 版本 v2.2.0 Release Notes[迭代中]
 - 1、[迭代中]调度中心升级springboot2.x；因此，系统要求JDK8+；
+- 2、执行器注册默认值优化；
 
 
 ### TODO LIST
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/handler/annotation/XxlJob.java b/xxl-job-core/src/main/java/com/xxl/job/core/handler/annotation/XxlJob.java
index 33fb6754..212efdce 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/handler/annotation/XxlJob.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/handler/annotation/XxlJob.java
@@ -20,11 +20,11 @@ public @interface XxlJob {
     /**
      * init handler, invoked when JobThread init
      */
-    String init() default "";
+    String init();
 
     /**
      * destroy handler, invoked when JobThread destroy
      */
-    String destroy() default "";
+    String destroy();
 
 }