diff --git a/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertSmsProviderEnumTest.java b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertSmsProviderEnumTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..85b2e3b21da263ad1b01ab47045e4e54afca7a39
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/constat/AlertSmsProviderEnumTest.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.AlertSmsProviderEnum;
+import org.junit.jupiter.api.Test;
+
+class AlertSmsProviderEnumTest {
+
+    @Test
+    void testGetByCode() {
+        assertEquals(AlertSmsProviderEnum.ALIYUN, AlertSmsProviderEnum.getByCode("aliyun"));
+    }
+
+    @Test
+    void testGetWrongCode() {
+        assertNull(AlertSmsProviderEnum.getByCode("test"));
+    }
+}