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 ecaa5b425..102ea72f8 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
@@ -76,7 +76,8 @@ public class PolarisFeignLoadBalancer extends FeignLoadBalancer {
 		try {
 			String labelHeaderValuesContent = labelHeaderValues.stream().findFirst().get();
 			labelHeaderValuesMap.putAll(JacksonUtils.deserialize2Map(URLDecoder.decode(labelHeaderValuesContent, StandardCharsets.UTF_8.name())));
-		} catch (UnsupportedEncodingException e) {
+		}
+		catch (UnsupportedEncodingException e) {
 			throw new RuntimeException("unsupported charset exception " + StandardCharsets.UTF_8.name());
 		}
 		routerContext.setLabels(PolarisRouterContext.RULE_ROUTER_LABELS, labelHeaderValuesMap);
diff --git a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptor.java b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptor.java
index 0a7e641b4..b9ea01492 100644
--- a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptor.java
+++ b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/RouterLabelFeignInterceptor.java
@@ -29,6 +29,7 @@ import feign.RequestInterceptor;
 import feign.RequestTemplate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import org.springframework.core.Ordered;
 import org.springframework.util.CollectionUtils;
 
@@ -113,9 +114,10 @@ public class RouterLabelFeignInterceptor implements RequestInterceptor, Ordered
 		String encodedLabelsContent;
 		try {
 			encodedLabelsContent = URLEncoder.encode(JacksonUtils.serialize2Json(labels), StandardCharsets.UTF_8.name());
-		} catch (UnsupportedEncodingException e) {
+		}
+		catch (UnsupportedEncodingException e) {
 			throw new RuntimeException("unsupported charset exception " + StandardCharsets.UTF_8.name());
-		} 
+		}
 		requestTemplate.header(RouterConstants.ROUTER_LABEL_HEADER, encodedLabelsContent);
 	}
 
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 36c944106..6290c1dfb 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 +124,8 @@ public class RouterLabelFeignInterceptorTest {
 				try {
 					String routerLabelContent = routerLabels.stream().findFirst().get();
 					routerLabelsMap.putAll(JacksonUtils.deserialize2Map(URLDecoder.decode(routerLabelContent, StandardCharsets.UTF_8.name())));
-				} catch (UnsupportedEncodingException e) {
+				} 
+				catch (UnsupportedEncodingException e) {
 					throw new RuntimeException("unsupported charset exception " + StandardCharsets.UTF_8.name());
 				}
 				Assert.assertNotNull(routerLabelsMap);