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 f869d657e..b738b01da 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
@@ -18,6 +18,17 @@
 
 package com.tencent.cloud.polaris.router.feign;
 
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.io.UnsupportedEncodingException;
+
+import org.springframework.cloud.netflix.ribbon.ServerIntrospector;
+import org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer;
+import org.springframework.util.CollectionUtils;
+
 import com.netflix.client.config.IClientConfig;
 import com.netflix.loadbalancer.ILoadBalancer;
 import com.netflix.loadbalancer.reactive.LoadBalancerCommand;
@@ -27,17 +38,6 @@ 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;
-
-import java.net.URLDecoder;
-import java.nio.charset.StandardCharsets;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.io.UnsupportedEncodingException;
-
 /**
  * In order to pass router context for {@link com.tencent.cloud.polaris.router.PolarisLoadBalancerCompositeRule}.
  *
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 e39c99b55..e89dfa4fb 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
@@ -18,6 +18,19 @@
 
 package com.tencent.cloud.polaris.router.feign;
 
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.io.UnsupportedEncodingException;
+
+import org.springframework.core.Ordered;
+import org.springframework.util.CollectionUtils;
+
 import com.tencent.cloud.common.metadata.MetadataContext;
 import com.tencent.cloud.common.metadata.MetadataContextHolder;
 import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
@@ -30,19 +43,6 @@ import feign.RequestTemplate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import org.springframework.core.Ordered;
-import org.springframework.util.CollectionUtils;
-
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.io.UnsupportedEncodingException;
-
 /**
  * Resolver labels from request.
  *