diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertPluginManagerTest.java b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertPluginManagerTest.java
new file mode 100644
index 0000000000..f7e7e56f94
--- /dev/null
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertPluginManagerTest.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.dolphinscheduler.alert;
+
+import junit.framework.TestCase;
+import org.apache.dolphinscheduler.dao.PluginDao;
+import org.apache.dolphinscheduler.dao.entity.PluginDefine;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.MockitoJUnitRunner;
+
+@RunWith(MockitoJUnitRunner.class)
+public class AlertPluginManagerTest extends TestCase {
+    
+    @InjectMocks
+    private AlertPluginManager alertPluginManager;
+    
+    @Mock
+    private PluginDao pluginDao;
+    
+    @Test
+    public void testAlertPluginManager() {
+        Mockito.when(pluginDao.addOrUpdatePluginDefine(Mockito.any(PluginDefine.class))).thenReturn(0);
+        
+        alertPluginManager.installPlugin();
+        
+        Assert.assertEquals(1, alertPluginManager.size());
+        
+        Assert.assertNotNull(alertPluginManager.getAlertChannel(0));
+    }
+}
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertServerTest.java b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertServerTest.java
new file mode 100644
index 0000000000..bd5396a429
--- /dev/null
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/test/java/org/apache/dolphinscheduler/alert/AlertServerTest.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.dolphinscheduler.alert;
+
+import junit.framework.TestCase;
+import org.apache.dolphinscheduler.dao.PluginDao;
+import org.apache.dolphinscheduler.remote.NettyRemotingServer;
+import org.apache.dolphinscheduler.remote.config.NettyServerConfig;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.powermock.reflect.Whitebox;
+
+
+@RunWith(MockitoJUnitRunner.class)
+public class AlertServerTest extends TestCase {
+    
+    @InjectMocks
+    private AlertServer alertServer;
+    
+    @Mock
+    private PluginDao pluginDao;
+    
+    @Mock
+    private AlertConfig alertConfig;
+    
+    @Test
+    public void testStart() {
+        Mockito.when(pluginDao.checkPluginDefineTableExist()).thenReturn(true);
+        
+        Mockito.when(alertConfig.getPort()).thenReturn(50053);
+        
+        alertServer.start();
+    
+        NettyRemotingServer nettyRemotingServer = Whitebox.getInternalState(alertServer, "server");
+    
+        NettyServerConfig nettyServerConfig = Whitebox.getInternalState(nettyRemotingServer, "serverConfig");
+        
+        Assert.assertEquals(50053, nettyServerConfig.getListenPort());
+    }
+}