diff --git a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtils.java b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtils.java
index d61a9be96..0eab41fa0 100644
--- a/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtils.java
+++ b/spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtils.java
@@ -18,11 +18,6 @@
 
 package com.tencent.cloud.polaris.router.feign;
 
-import com.tencent.cloud.common.util.expresstion.ExpressionLabelUtils;
-import feign.RequestTemplate;
-import org.apache.commons.lang.StringUtils;
-import org.springframework.util.CollectionUtils;
-
 import java.net.URI;
 import java.util.Collection;
 import java.util.Collections;
@@ -30,6 +25,12 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 
+import com.tencent.cloud.common.util.expresstion.ExpressionLabelUtils;
+import feign.RequestTemplate;
+import org.apache.commons.lang.StringUtils;
+
+import org.springframework.util.CollectionUtils;
+
 /**
  * Resolve rule expression label from feign request.
  *
diff --git a/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtilsTest.java b/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtilsTest.java
index 0e21d3d35..dc1410f5d 100644
--- a/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtilsTest.java
+++ b/spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/feign/FeignExpressionLabelUtilsTest.java
@@ -18,15 +18,15 @@
 
 package com.tencent.cloud.polaris.router.feign;
 
-import feign.Request;
-import feign.RequestTemplate;
-import org.junit.jupiter.api.Test;
-
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Stream;
 
+import feign.Request;
+import feign.RequestTemplate;
+import org.junit.jupiter.api.Test;
+
 import static java.util.stream.Collectors.toSet;
 import static org.assertj.core.api.Assertions.assertThat;
 
diff --git a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/ExpressionLabelUtils.java b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/ExpressionLabelUtils.java
index bd008758e..c7029deff 100644
--- a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/ExpressionLabelUtils.java
+++ b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/ExpressionLabelUtils.java
@@ -186,11 +186,11 @@ public final class ExpressionLabelUtils {
 		for (String value : values) {
 			String[] cookieArray = StringUtils.split(value, ";");
 			for (String cookieValue : cookieArray) {
-                String[] cookieKV = StringUtils.split(cookieValue, "=");
-                if (cookieKV != null && cookieKV.length == 2 && StringUtils.equals(cookieKV[0], key)) {
-                    return cookieKV[1];
-                }
-            }
+				String[] cookieKV = StringUtils.split(cookieValue, "=");
+				if (cookieKV != null && cookieKV.length == 2 && StringUtils.equals(cookieKV[0], key)) {
+					return cookieKV[1];
+				}
+			}
 		}
 		return StringUtils.EMPTY;
 	}
diff --git a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/SpringWebExpressionLabelUtils.java b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/SpringWebExpressionLabelUtils.java
index 31be7550b..b8b1a59ad 100644
--- a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/SpringWebExpressionLabelUtils.java
+++ b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/expresstion/SpringWebExpressionLabelUtils.java
@@ -18,14 +18,11 @@
 
 package com.tencent.cloud.common.util.expresstion;
 
-import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import io.netty.handler.codec.http.HttpHeaderNames;
 import org.apache.commons.lang.StringUtils;
 
 import org.springframework.http.HttpCookie;
@@ -115,11 +112,11 @@ public final class SpringWebExpressionLabelUtils {
 			}
 			else if (ExpressionLabelUtils.isCookieLabel(labelKey)) {
 				String cookieKey = ExpressionLabelUtils.parseCookieKey(labelKey);
-                if (StringUtils.isBlank(cookieKey)) {
-                    continue;
-                }
-                labels.put(labelKey, getCookieValue(request, cookieKey));
-            }
+				if (StringUtils.isBlank(cookieKey)) {
+					continue;
+				}
+				labels.put(labelKey, getCookieValue(request, cookieKey));
+			}
 			else if (ExpressionLabelUtils.isMethodLabel(labelKey)) {
 				labels.put(labelKey, request.getMethodValue());
 			}
@@ -174,7 +171,7 @@ public final class SpringWebExpressionLabelUtils {
 		if (StringUtils.isEmpty(first)) {
 			return StringUtils.EMPTY;
 		}
-		String[] cookieArray = StringUtils.split(first,";");
+		String[] cookieArray = StringUtils.split(first, ";");
 		for (String cookieItem : cookieArray) {
 			String[] cookieKv = StringUtils.split(cookieItem, "=");
 			if (cookieKv != null && cookieKv.length == 2 && StringUtils.equals(cookieKv[0], key)) {