diff --git a/src/test/java/cn/chjyj/szwh/ApiTest.java b/src/test/java/cn/chjyj/szwh/ApiTest.java
index 5ec5364..10b38dd 100644
--- a/src/test/java/cn/chjyj/szwh/ApiTest.java
+++ b/src/test/java/cn/chjyj/szwh/ApiTest.java
@@ -94,6 +94,9 @@ public class ApiTest {
         Calendar calendar = Calendar.getInstance();
         System.out.println(calendar.get(1));
         System.out.println(calendar.get(2));
+
+        String sign = SignUtils.createSign("entrust");
+        System.out.println(sign);
     }
 
     /**
diff --git a/urls.md b/urls.md
index f05352b..3a2e326 100644
--- a/urls.md
+++ b/urls.md
@@ -36,4 +36,6 @@
 
 17.[StringUtils工具类常用方法](https://www.cnblogs.com/jmcui/p/7208383.html)
 
-18.[JAVA发送GET、POST请求，携带请求头，接收解析返回值(通过URL)](https://blog.csdn.net/HezhezhiyuLe/article/details/92395041)
\ No newline at end of file
+18.[JAVA发送GET、POST请求，携带请求头，接收解析返回值(通过URL)](https://blog.csdn.net/HezhezhiyuLe/article/details/92395041)
+
+19. [SpringBoot设置动态定时任务](blog.csdn.net/wl_Honest/article/details/123654621)
\ No newline at end of file