diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/main/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtils.java b/spring-cloud-tencent-polaris-loadbalancer/src/main/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtils.java
index a4c523407..0199d0322 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/main/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtils.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/main/java/com/tencent/cloud/polaris/loadbalancer/LoadBalancerUtils.java
@@ -42,7 +42,7 @@ public class LoadBalancerUtils {
 	private static final int DEFAULT_WEIGHT = 100;
 
 	/**
-	 * transfer servers to ServiceInstances
+	 * transfer servers to ServiceInstances.
 	 *
 	 * @param servers servers
 	 * @return ServiceInstances
@@ -63,7 +63,7 @@ public class LoadBalancerUtils {
 	}
 
 	/**
-	 * transfer ServiceInstance to DefaultInstance
+	 * transfer ServiceInstance to DefaultInstance.
 	 *
 	 * @param serviceInstance serviceInstance
 	 * @return defaultInstance
diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
index 82b7bb3ed..864dd4ba5 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
@@ -17,8 +17,8 @@
 
 package com.tencent.cloud.polaris.loadbalancer.config;
 
-import com.tencent.cloud.polaris.loadbalancer.PolarisLoadBalancer;
 import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
+import com.tencent.cloud.polaris.loadbalancer.PolarisLoadBalancer;
 import com.tencent.polaris.router.api.core.RouterAPI;
 import org.junit.Test;
 
diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisRouterAutoConfigurationTest.java b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisRouterAutoConfigurationTest.java
index f296346e3..59c83cf41 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisRouterAutoConfigurationTest.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisRouterAutoConfigurationTest.java
@@ -30,7 +30,7 @@ import org.springframework.context.annotation.Configuration;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisLoadBalancerAutoConfiguration}
+ * Test for {@link PolarisLoadBalancerAutoConfiguration}.
  *
  * @author Haotian Zhang
  */