diff --git a/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertAppriseTypeEnumTest.java b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertAppriseTypeEnumTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..f69735dbd9f76fee44a91657da65f1183940438b
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertAppriseTypeEnumTest.java
@@ -0,0 +1,20 @@
+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 org.junit.jupiter.api.Test;
+
+class AlertAppriseTypeEnumTest {
+
+    @Test
+    void testGetByCode() {
+        assertEquals(AlertAppriseTypeEnum.SMS, AlertAppriseTypeEnum.getByCode(1) );
+    }
+
+    @Test
+    void testGetWrongCode() {
+        assertNull(AlertAppriseTypeEnum.getByCode(3));
+    }
+}