diff --git a/alerter/src/main/java/org/apache/hertzbeat/alert/dto/TenCloudAlertReport.java b/alerter/src/main/java/org/apache/hertzbeat/alert/dto/TenCloudAlertReport.java
index 6ea51c1b047..99846e6a14b 100644
--- a/alerter/src/main/java/org/apache/hertzbeat/alert/dto/TenCloudAlertReport.java
+++ b/alerter/src/main/java/org/apache/hertzbeat/alert/dto/TenCloudAlertReport.java
@@ -174,7 +174,7 @@ public Map<String, String> getAnnotations() {
     @Override
     public String getContent() {
         StringBuilder contentBuilder = new StringBuilder();
-        // 判断类型
+        // Check Type.
         if (EVENT.equals(getAlarmType())) {
             contentBuilder
                     .append("[")
@@ -225,5 +225,3 @@ public String getContent() {
     }
 
 }
-
-
diff --git a/warehouse/src/test/java/org/apache/hertzbeat/warehouse/service/WarehouseServiceTest.java b/warehouse/src/test/java/org/apache/hertzbeat/warehouse/service/WarehouseServiceTest.java
index ec771f121d4..43c97e4043a 100644
--- a/warehouse/src/test/java/org/apache/hertzbeat/warehouse/service/WarehouseServiceTest.java
+++ b/warehouse/src/test/java/org/apache/hertzbeat/warehouse/service/WarehouseServiceTest.java
@@ -43,7 +43,7 @@
  */
 
 @ExtendWith(SpringExtension.class)
-class WarehouseServiceImplTest {
+class WarehouseServiceTest {
 
 	@Mock
 	private AbstractRealTimeDataStorage realTimeDataStorage;
diff --git a/warehouse/src/test/java/org/apache/hertzbeat/warehouse/store/MemoryDataStorageTest.java b/warehouse/src/test/java/org/apache/hertzbeat/warehouse/store/MemoryDataStorageTest.java
index da0e1f4dfc1..d066d1b303b 100644
--- a/warehouse/src/test/java/org/apache/hertzbeat/warehouse/store/MemoryDataStorageTest.java
+++ b/warehouse/src/test/java/org/apache/hertzbeat/warehouse/store/MemoryDataStorageTest.java
@@ -17,24 +17,107 @@
 
 package org.apache.hertzbeat.warehouse.store;
 
+import java.util.List;
+import org.apache.hertzbeat.common.entity.message.CollectRep;
 import org.apache.hertzbeat.warehouse.store.realtime.memory.MemoryDataStorage;
+import org.apache.hertzbeat.warehouse.store.realtime.memory.MemoryProperties;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 /**
  * Test case for {@link MemoryDataStorage}
  */
+
 class MemoryDataStorageTest {
 
+    @Mock
+    private MemoryProperties memoryProperties;
+
+    @InjectMocks
+    private MemoryDataStorage memoryDataStorage;
+
     @BeforeEach
     void setUp() {
+
+        MockitoAnnotations.openMocks(this);
+
+        when(memoryProperties.initSize()).thenReturn(null);
+        memoryDataStorage = new MemoryDataStorage(memoryProperties);
     }
 
     @Test
-    void getCurrentMetricsData() {
+    void testGetCurrentMetricsDataByMetric() {
+
+        Long monitorId = 1L;
+        String metric = "cpuUsage";
+        CollectRep.MetricsData metricsData = mock(CollectRep.MetricsData.class);
+
+        memoryDataStorage.saveData(metricsData);
+
+        CollectRep.MetricsData result = memoryDataStorage.getCurrentMetricsData(monitorId, metric);
+
+        assertNull(result);
     }
 
     @Test
-    void destroy() {
+    void testGetCurrentMetricsData() {
+
+        Long monitorId = 1L;
+        CollectRep.MetricsData metricsData1 = mock(CollectRep.MetricsData.class);
+        CollectRep.MetricsData metricsData2 = mock(CollectRep.MetricsData.class);
+
+        when(metricsData1.getId()).thenReturn(monitorId);
+        when(metricsData1.getMetrics()).thenReturn("cpuUsage");
+        when(metricsData1.getCode()).thenReturn(CollectRep.Code.SUCCESS);
+
+        when(metricsData2.getId()).thenReturn(monitorId);
+        when(metricsData2.getMetrics()).thenReturn("memoryUsage");
+        when(metricsData2.getCode()).thenReturn(CollectRep.Code.SUCCESS);
+
+        memoryDataStorage.saveData(metricsData1);
+        memoryDataStorage.saveData(metricsData2);
+
+        List<CollectRep.MetricsData> result = memoryDataStorage.getCurrentMetricsData(monitorId);
+
+        assertEquals(2, result.size());
+        assertTrue(result.contains(metricsData1));
+        assertTrue(result.contains(metricsData2));
+    }
+
+    @Test
+    void testSaveDataFailure() {
+
+        CollectRep.MetricsData metricsData = mock(CollectRep.MetricsData.class);
+        when(metricsData.getCode()).thenReturn(CollectRep.Code.FAIL);
+
+        memoryDataStorage.saveData(metricsData);
+
+        List<CollectRep.MetricsData> result = memoryDataStorage.getCurrentMetricsData(metricsData.getId());
+        assertTrue(result.isEmpty());
     }
+
+    @Test
+    void testDestroy() {
+
+        CollectRep.MetricsData metricsData = mock(CollectRep.MetricsData.class);
+        when(metricsData.getId()).thenReturn(1L);
+        when(metricsData.getMetrics()).thenReturn("cpuUsage");
+        when(metricsData.getCode()).thenReturn(CollectRep.Code.SUCCESS);
+
+        memoryDataStorage.saveData(metricsData);
+        memoryDataStorage.destroy();
+
+        List<CollectRep.MetricsData> result = memoryDataStorage.getCurrentMetricsData(1L);
+        assertTrue(result.isEmpty());
+    }
+
 }