diff --git a/microsphere-spring-cloud-commons/src/test/java/io/microsphere/spring/cloud/client/service/registry/autoconfigure/WebMvcServiceRegistryAutoConfigurationTest.java b/microsphere-spring-cloud-commons/src/test/java/io/microsphere/spring/cloud/client/service/registry/autoconfigure/WebMvcServiceRegistryAutoConfigurationTest.java
index f0693bf..6f68ee9 100644
--- a/microsphere-spring-cloud-commons/src/test/java/io/microsphere/spring/cloud/client/service/registry/autoconfigure/WebMvcServiceRegistryAutoConfigurationTest.java
+++ b/microsphere-spring-cloud-commons/src/test/java/io/microsphere/spring/cloud/client/service/registry/autoconfigure/WebMvcServiceRegistryAutoConfigurationTest.java
@@ -18,7 +18,6 @@
 
 import io.microsphere.spring.webmvc.annotation.EnableWebMvcExtension;
 import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
diff --git a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autoconfigure/FeignClientAutoRefreshAutoConfiguration.java b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autoconfigure/FeignClientAutoRefreshAutoConfiguration.java
index 6eacb45..46f2e3d 100644
--- a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autoconfigure/FeignClientAutoRefreshAutoConfiguration.java
+++ b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autoconfigure/FeignClientAutoRefreshAutoConfiguration.java
@@ -6,7 +6,6 @@
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
-import org.springframework.cloud.context.named.NamedContextFactory;
 import org.springframework.cloud.openfeign.FeignBuilderCustomizer;
 import org.springframework.cloud.openfeign.FeignClientProperties;
 import org.springframework.context.ConfigurableApplicationContext;
diff --git a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autorefresh/AutoRefreshCapability.java b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autorefresh/AutoRefreshCapability.java
index 9fe6808..54981d3 100644
--- a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autorefresh/AutoRefreshCapability.java
+++ b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/autorefresh/AutoRefreshCapability.java
@@ -1,10 +1,20 @@
 package io.microsphere.spring.cloud.openfeign.autorefresh;
 
-import feign.*;
+import feign.Capability;
+import feign.Contract;
+import feign.QueryMapEncoder;
+import feign.RequestInterceptor;
+import feign.Retryer;
 import feign.codec.Decoder;
 import feign.codec.Encoder;
 import feign.codec.ErrorDecoder;
-import io.microsphere.spring.cloud.openfeign.components.*;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedContract;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedDecoder;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedEncoder;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedErrorDecoder;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedFeignComponent;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedQueryMapEncoder;
+import io.microsphere.spring.cloud.openfeign.components.DecoratedRetryer;
 import org.springframework.beans.BeansException;
 import org.springframework.cloud.context.named.NamedContextFactory;
 import org.springframework.cloud.openfeign.FeignClientProperties;
diff --git a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/components/CompositedRequestInterceptor.java b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/components/CompositedRequestInterceptor.java
index d7237a9..c4d4065 100644
--- a/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/components/CompositedRequestInterceptor.java
+++ b/microsphere-spring-cloud-openfeign/src/main/java/io/microsphere/spring/cloud/openfeign/components/CompositedRequestInterceptor.java
@@ -7,7 +7,12 @@
 import org.springframework.cloud.openfeign.FeignClientProperties;
 import org.springframework.util.CollectionUtils;
 
-import java.util.*;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 
 /**
  * @author <a href="mailto:maimengzzz@gmail.com">韩超</a>
diff --git a/microsphere-spring-cloud-openfeign/src/test/java/io/microsphere/spring/cloud/openfeign/BaseTest.java b/microsphere-spring-cloud-openfeign/src/test/java/io/microsphere/spring/cloud/openfeign/BaseTest.java
index 6f7a3d7..47baa70 100644
--- a/microsphere-spring-cloud-openfeign/src/test/java/io/microsphere/spring/cloud/openfeign/BaseTest.java
+++ b/microsphere-spring-cloud-openfeign/src/test/java/io/microsphere/spring/cloud/openfeign/BaseTest.java
@@ -1,8 +1,6 @@
 package io.microsphere.spring.cloud.openfeign;
 
 import io.microsphere.spring.cloud.openfeign.autoconfigure.EnableFeignAutoRefresh;
-import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;