diff --git a/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertMessageAppriseStatusEnumTest.java b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertMessageAppriseStatusEnumTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..3eeb8b87c54def539e5e0a629e36c327f1e780f9
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertMessageAppriseStatusEnumTest.java
@@ -0,0 +1,23 @@
+package com.dsms.common.constat;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import com.dsms.common.constant.AlertAppriseTypeEnum;
+import com.dsms.common.constant.AlertMessageAppriseStatusEnum;
+import org.junit.jupiter.api.Test;
+
+class AlertMessageAppriseStatusEnumTest {
+
+    @Test
+    void testGetByCode() {
+        assertEquals(AlertMessageAppriseStatusEnum.DOWN, AlertMessageAppriseStatusEnum.getByCode(0));
+        assertEquals(AlertMessageAppriseStatusEnum.UP_BUT_NOT_APPRISED, AlertMessageAppriseStatusEnum.getByCode(1));
+        assertEquals(AlertMessageAppriseStatusEnum.UP_AND_APPRISED, AlertMessageAppriseStatusEnum.getByCode(2));
+    }
+
+    @Test
+    void testGetWrongCode() {
+        assertNull(AlertAppriseTypeEnum.getByCode(-1));
+    }
+}