diff --git a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/PolarisFeignLoadBalancer.java b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/PolarisFeignLoadBalancer.java
index 273be0fd5..f869d657e 100644
--- a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/PolarisFeignLoadBalancer.java
+++ b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/PolarisFeignLoadBalancer.java
@@ -26,6 +26,7 @@ import com.tencent.cloud.common.metadata.MetadataContextHolder;
 import com.tencent.cloud.common.util.JacksonUtils;
 import com.tencent.cloud.polaris.router.PolarisRouterContext;
 import com.tencent.cloud.polaris.router.RouterConstants;
+
 import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
 import org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer;
 import org.springframework.util.CollectionUtils;
diff --git a/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptorTest.java b/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptorTest.java
index 6290c1dfb..0bc701d11 100644
--- a/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptorTest.java
+++ b/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptorTest.java
@@ -124,7 +124,7 @@ public class RouterLabelFeignInterceptorTest {
 				try {
 					String routerLabelContent = routerLabels.stream().findFirst().get();
 					routerLabelsMap.putAll(JacksonUtils.deserialize2Map(URLDecoder.decode(routerLabelContent, StandardCharsets.UTF_8.name())));
-				} 
+				}
 				catch (UnsupportedEncodingException e) {
 					throw new RuntimeException("unsupported charset exception " + StandardCharsets.UTF_8.name());
 				}