diff --git a/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertRuleTypeEnumTest.java b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertRuleTypeEnumTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..b74165b5f232e16bbb857cf828bdd66b9c7a2931
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertRuleTypeEnumTest.java
@@ -0,0 +1,19 @@
+package com.dsms.common.constat;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import com.dsms.common.constant.AlertRuleTypeEnum;
+import org.junit.jupiter.api.Test;
+
+class AlertRuleTypeEnumTest {
+
+    @Test
+    void testGetByCode() {
+        assertEquals(AlertRuleTypeEnum.CPU_USAGE, AlertRuleTypeEnum.getalertRuleTypeEnum("cpu.usage"));
+    }
+
+    @Test
+    void testGetWrongCode() {
+        assertEquals(AlertRuleTypeEnum.UNKNOW, AlertRuleTypeEnum.getalertRuleTypeEnum("test"));
+    }
+}