diff --git a/src/main/java/com/easysoftware/application/filedapplication/vo/EulerLifeCycleVo.java b/src/main/java/com/easysoftware/application/filedapplication/vo/EulerLifeCycleVo.java
index f30813a0218ad0ea086da740b0d111d7ae95b411..0ea098b06c1f42d9a4671e08b6e7765c5aa5b699 100644
--- a/src/main/java/com/easysoftware/application/filedapplication/vo/EulerLifeCycleVo.java
+++ b/src/main/java/com/easysoftware/application/filedapplication/vo/EulerLifeCycleVo.java
@@ -58,4 +58,9 @@ public class EulerLifeCycleVo {
      * alis for os.
      */
     private String osAlias;
+
+    /**
+     * os download ur.
+     */
+    private String osUrl;
 }
diff --git a/src/main/java/com/easysoftware/infrastructure/eulerlifecycle/gatewayimpl/dataobject/EulerLifeCycleDO.java b/src/main/java/com/easysoftware/infrastructure/eulerlifecycle/gatewayimpl/dataobject/EulerLifeCycleDO.java
index 30c10a0f155971605e2b0a0834a5ca066e007617..db1b8a0df5f7f606ebce48c95bbacd4c58851d8f 100644
--- a/src/main/java/com/easysoftware/infrastructure/eulerlifecycle/gatewayimpl/dataobject/EulerLifeCycleDO.java
+++ b/src/main/java/com/easysoftware/infrastructure/eulerlifecycle/gatewayimpl/dataobject/EulerLifeCycleDO.java
@@ -69,4 +69,9 @@ public class EulerLifeCycleDO {
      * alis for os.
      */
     private String osAlias;
+
+    /**
+     * os download url.
+     */
+    private String osUrl;
 }