diff --git a/dsms-engine-application/src/test/java/com/dsms/dfsbroker/node/request/OrchDeviceLsRequestTest.java b/dsms-engine-application/src/test/java/com/dsms/dfsbroker/node/request/OrchDeviceLsRequestTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d07cbe3ce6cbe197d200984f0fb9627bfd5c84c
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/dfsbroker/node/request/OrchDeviceLsRequestTest.java
@@ -0,0 +1,18 @@
+package com.dsms.dfsbroker.node.request;
+
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class OrchDeviceLsRequestTest {
+
+    @Test
+    void testOrchDeviceLsRequest() {
+        String hostname = "ceph1";
+        OrchDeviceLsRequest orchDeviceLsRequest = new OrchDeviceLsRequest(hostname);
+        Assertions.assertTrue(orchDeviceLsRequest.getRequestBody().contains(hostname));
+
+        OrchDeviceLsRequest orchDeviceLsRequest1 = new OrchDeviceLsRequest(null);
+        Assertions.assertFalse(orchDeviceLsRequest1.getRequestBody().contains("hostname"));
+    }
+}
\ No newline at end of file