diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/test/java/com/alibaba/cloud/sentinel/SentinelAutoConfigurationTests.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/test/java/com/alibaba/cloud/sentinel/SentinelAutoConfigurationTests.java
index 99b9fd3b5..2b4c51e0f 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/test/java/com/alibaba/cloud/sentinel/SentinelAutoConfigurationTests.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/test/java/com/alibaba/cloud/sentinel/SentinelAutoConfigurationTests.java
@@ -16,11 +16,8 @@
 
 package com.alibaba.cloud.sentinel;
 
-import static com.alibaba.cloud.sentinel.SentinelConstants.BLOCK_PAGE_URL_CONF_KEY;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.Mockito.mock;
-import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+import java.util.Arrays;
+import java.util.Map;
 
 import com.alibaba.cloud.sentinel.annotation.SentinelRestTemplate;
 import com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration;
@@ -36,11 +33,10 @@ import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
 import com.alibaba.csp.sentinel.transport.config.TransportConfig;
 import com.alibaba.csp.sentinel.transport.endpoint.Endpoint;
 import com.alibaba.csp.sentinel.transport.endpoint.Protocol;
-import java.util.Arrays;
-import java.util.Map;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
@@ -57,6 +53,12 @@ import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 
+import static com.alibaba.cloud.sentinel.SentinelConstants.BLOCK_PAGE_URL_CONF_KEY;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.mock;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+
 /**
  * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
  * @author jiashuai.xie