diff --git a/dsms-engine-application/src/test/java/com/dsms/dfsbroker/osd/crushmap/request/CreateRuleRequestTest.java b/dsms-engine-application/src/test/java/com/dsms/dfsbroker/osd/crushmap/request/CreateRuleRequestTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..596b94e83cbb995095b7c2bf9f34f19c2940db5d
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/dfsbroker/osd/crushmap/request/CreateRuleRequestTest.java
@@ -0,0 +1,11 @@
+package com.dsms.dfsbroker.osd.crushmap.request;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class CreateRuleRequestTest {
+    @Test
+    void testCreateRuleRequest() {
+        Assertions.assertThrows(IllegalArgumentException.class, () -> new CreateRuleRequest(null));
+    }
+}
\ No newline at end of file