diff --git a/spring-cloud-tencent-polaris-context/src/test/java/com/tencent/cloud/polaris/context/PolarisContextGetHostTest.java b/spring-cloud-tencent-polaris-context/src/test/java/com/tencent/cloud/polaris/context/PolarisContextGetHostTest.java
index 71a332cba..188904f7a 100644
--- a/spring-cloud-tencent-polaris-context/src/test/java/com/tencent/cloud/polaris/context/PolarisContextGetHostTest.java
+++ b/spring-cloud-tencent-polaris-context/src/test/java/com/tencent/cloud/polaris/context/PolarisContextGetHostTest.java
@@ -20,7 +20,6 @@ package com.tencent.cloud.polaris.context;
 import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
 import com.tencent.cloud.polaris.context.config.PolarisContextProperties;
 import com.tencent.polaris.client.api.SDKContext;
-import org.junit.Assert;
 import org.junit.Test;
 import org.junit.platform.commons.util.StringUtils;
 import org.junit.runner.RunWith;
@@ -30,6 +29,13 @@ import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Test for {@link SDKContext}.
+ *
+ * @author Haotian Zhang
+ */
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = PolarisContextApplication.class,
 		properties = {"spring.config.location = classpath:bootstrap.yml"})
@@ -45,8 +51,8 @@ public class PolarisContextGetHostTest {
 	@Test
 	public void testGetConfigHost() {
 		String bindIP = polarisContext.getConfig().getGlobal().getAPI().getBindIP();
-		Assert.assertFalse(StringUtils.isBlank(bindIP));
-		Assert.assertEquals(bindIP, "192.168.1.1");
-		Assert.assertEquals(polarisContextProperties.getNamespace(), "dev");
+		assertThat(StringUtils.isBlank(bindIP)).isFalse();
+		assertThat(bindIP).isEqualTo("192.168.1.1");
+		assertThat(polarisContextProperties.getNamespace()).isEqualTo("dev");
 	}
 }
diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtilsTest.java b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtilsTest.java
index d4a894de3..b4aea4c00 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtilsTest.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtilsTest.java
@@ -49,7 +49,7 @@ import static org.mockito.ArgumentMatchers.anyString;
 @RunWith(MockitoJUnitRunner.class)
 public class LoadBalancerUtilsTest {
 
-	private static final String testNamespaceAndService = "testNamespaceAndService";
+	private static final String TEST_NAMESPACE_AND_SERVICE = "testNamespaceAndService";
 	private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
 	private static MockedStatic<MetadataContextHolder> mockedMetadataContextHolder;
 
@@ -57,7 +57,7 @@ public class LoadBalancerUtilsTest {
 	public static void beforeClass() {
 		mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
 		mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
-				.thenReturn(testNamespaceAndService);
+				.thenReturn(TEST_NAMESPACE_AND_SERVICE);
 
 		MetadataContext metadataContext = Mockito.mock(MetadataContext.class);
 		mockedMetadataContextHolder = Mockito.mockStatic(MetadataContextHolder.class);
@@ -83,7 +83,7 @@ public class LoadBalancerUtilsTest {
 
 		List<ServiceInstance> instances = new ArrayList<>();
 		for (int i = 0; i < instanceSize; i++) {
-			instances.add(new DefaultServiceInstance("ins" + i, testNamespaceAndService, "127.0.0." + i,
+			instances.add(new DefaultServiceInstance("ins" + i, TEST_NAMESPACE_AND_SERVICE, "127.0.0." + i,
 					8080, false));
 		}
 
@@ -95,8 +95,8 @@ public class LoadBalancerUtilsTest {
 		List<Instance> polarisInstances = serviceInstances.getInstances();
 		for (int i = 0; i < instanceSize; i++) {
 			Instance instance = polarisInstances.get(i);
-			Assert.assertEquals(testNamespaceAndService, instance.getNamespace());
-			Assert.assertEquals(testNamespaceAndService, instance.getService());
+			Assert.assertEquals(TEST_NAMESPACE_AND_SERVICE, instance.getNamespace());
+			Assert.assertEquals(TEST_NAMESPACE_AND_SERVICE, instance.getService());
 			Assert.assertEquals("ins" + i, instance.getId());
 			Assert.assertEquals("127.0.0." + i, instance.getHost());
 			Assert.assertEquals(8080, instance.getPort());