diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41f979111..2784188a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,3 +5,4 @@
 - [Feature: Optimize config server address](https://github.com/Tencent/spring-cloud-tencent/pull/130)
 - [Feature: Remove spring-javaformat-maven-plugin](https://github.com/Tencent/spring-cloud-tencent/pull/131)
 - [feat:refactor loadbalancer module as a basic module for router and circuit breaker.](https://github.com/Tencent/spring-cloud-tencent/pull/136)
+- [feat:enable distribute rate limit](https://github.com/Tencent/spring-cloud-tencent/pull/139)
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index e3346026b..8d2fffd2e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,7 +86,7 @@
 
 	<properties>
 		<!-- Project revision -->
-		<revision>1.4.0-Hoxton.SR9-SNAPSHOT</revision>
+		<revision>1.4.0-Hoxton.SR9</revision>
 
 		<!-- Spring Cloud -->
 		<spring.cloud.version>Hoxton.SR9</spring.cloud.version>
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfigurationTest.java b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfigurationTest.java
index a3d924158..87968b8b3 100644
--- a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfigurationTest.java
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfigurationTest.java
@@ -29,7 +29,7 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.cloud.gateway.filter.GlobalFilter;
 
 /**
- * Test for {@link MetadataTransferAutoConfiguration}
+ * Test for {@link MetadataTransferAutoConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataFeignInterceptorTest.java b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataFeignInterceptorTest.java
index 21426f565..cecb5ddbe 100644
--- a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataFeignInterceptorTest.java
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataFeignInterceptorTest.java
@@ -46,7 +46,7 @@ import org.springframework.web.bind.annotation.RestController;
 import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.DEFINED_PORT;
 
 /**
- * Test for {@link EncodeTransferMedataFeignInterceptor}
+ * Test for {@link EncodeTransferMedataFeignInterceptor}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataRestTemplateInterceptorTest.java b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataRestTemplateInterceptorTest.java
index 6a7f98b25..6877842ac 100644
--- a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataRestTemplateInterceptorTest.java
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/EncodeTransferMedataRestTemplateInterceptorTest.java
@@ -47,7 +47,7 @@ import org.springframework.web.client.RestTemplate;
 import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
 
 /**
- * Test for {@link EncodeTransferMedataRestTemplateInterceptor}
+ * Test for {@link EncodeTransferMedataRestTemplateInterceptor}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/TestPolarisFeignApp.java b/spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/TestPolarisFeignApp.java
index b593392d5..b6dfb10b2 100644
--- a/spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/TestPolarisFeignApp.java
+++ b/spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/TestPolarisFeignApp.java
@@ -43,6 +43,8 @@ public class TestPolarisFeignApp {
 
 		/**
 		 * Get info of service B.
+		 *
+		 * @return info
 		 */
 		@GetMapping("/example/service/b/info")
 		String info();
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/PolarisPropertiesTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/PolarisPropertiesTest.java
index 518797e2c..a1259704a 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/PolarisPropertiesTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/PolarisPropertiesTest.java
@@ -26,7 +26,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.fail;
 
 /**
- * Test for {@link PolarisDiscoveryProperties}
+ * Test for {@link PolarisDiscoveryProperties}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryAutoConfigurationTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryAutoConfigurationTest.java
index fc6ed91fe..cdad58bc0 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryAutoConfigurationTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryAutoConfigurationTest.java
@@ -38,7 +38,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisDiscoveryAutoConfiguration}
+ * Test for {@link PolarisDiscoveryAutoConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientConfigurationTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientConfigurationTest.java
index 7a9b78943..022377238 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientConfigurationTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientConfigurationTest.java
@@ -34,7 +34,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisDiscoveryClientConfiguration}
+ * Test for {@link PolarisDiscoveryClientConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientTest.java
index baad9d365..e72393161 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryClientTest.java
@@ -37,7 +37,7 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 /**
- * Test for {@link PolarisDiscoveryClient}
+ * Test for {@link PolarisDiscoveryClient}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisServiceDiscoveryTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisServiceDiscoveryTest.java
index 56ff83db7..874d577b1 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisServiceDiscoveryTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/PolarisServiceDiscoveryTest.java
@@ -41,7 +41,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisServiceDiscovery}
+ * Test for {@link PolarisServiceDiscovery}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientConfigurationTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientConfigurationTest.java
index 0bbcc6548..527b07e22 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientConfigurationTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientConfigurationTest.java
@@ -35,7 +35,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisReactiveDiscoveryClientConfiguration}
+ * Test for {@link PolarisReactiveDiscoveryClientConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientTest.java
index 99aa8f1df..300a94cd9 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientTest.java
@@ -37,7 +37,7 @@ import static java.util.Collections.singletonList;
 import static org.mockito.Mockito.when;
 
 /**
- * Test for {@link PolarisReactiveDiscoveryClient}
+ * Test for {@link PolarisReactiveDiscoveryClient}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryAutoConfigurationTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryAutoConfigurationTest.java
index e1645d80c..ede3f0387 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryAutoConfigurationTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryAutoConfigurationTest.java
@@ -37,7 +37,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisServiceRegistryAutoConfiguration}
+ * Test for {@link PolarisServiceRegistryAutoConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryTest.java
index 4371e32ac..f37ed344c 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryTest.java
@@ -41,7 +41,7 @@ import static org.junit.Assert.fail;
 import static org.mockito.Mockito.when;
 
 /**
- * Test for {@link PolarisServiceRegistry}
+ * Test for {@link PolarisServiceRegistry}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisRibbonServerListConfigurationTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisRibbonServerListConfigurationTest.java
index d429da7b4..ae3a1eb79 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisRibbonServerListConfigurationTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisRibbonServerListConfigurationTest.java
@@ -39,7 +39,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisRibbonServerListConfiguration}
+ * Test for {@link PolarisRibbonServerListConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisServerListTest.java b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisServerListTest.java
index 9cd01db87..a036ed344 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisServerListTest.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisServerListTest.java
@@ -46,7 +46,7 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 /**
- * Test for {@link PolarisServerList}
+ * Test for {@link PolarisServerList}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/MetadataContextHolderTest.java b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/MetadataContextHolderTest.java
index 6883ae50d..29d280044 100644
--- a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/MetadataContextHolderTest.java
+++ b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/MetadataContextHolderTest.java
@@ -29,7 +29,7 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
 /**
- * Test for {@link MetadataContextHolder}
+ * Test for {@link MetadataContextHolder}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataAutoConfigurationTest.java b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataAutoConfigurationTest.java
index bcf42ee14..76be75bd4 100644
--- a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataAutoConfigurationTest.java
+++ b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataAutoConfigurationTest.java
@@ -30,7 +30,7 @@ import org.springframework.boot.test.context.runner.ReactiveWebApplicationContex
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 
 /**
- * Test for {@link MetadataAutoConfiguration}
+ * Test for {@link MetadataAutoConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataLocalPropertiesTest.java b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataLocalPropertiesTest.java
index 44128591c..815010ce1 100644
--- a/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataLocalPropertiesTest.java
+++ b/spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/metadata/config/MetadataLocalPropertiesTest.java
@@ -27,7 +27,7 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
 /**
- * Test for {@link MetadataLocalProperties}
+ * Test for {@link MetadataLocalProperties}.
  *
  * @author Haotian Zhang
  */
diff --git a/spring-cloud-tencent-dependencies/pom.xml b/spring-cloud-tencent-dependencies/pom.xml
index f9da2e8e0..7d3dd55fd 100644
--- a/spring-cloud-tencent-dependencies/pom.xml
+++ b/spring-cloud-tencent-dependencies/pom.xml
@@ -70,8 +70,8 @@
 	</developers>
 
 	<properties>
-		<revision>1.4.0-Hoxton.SR9-SNAPSHOT</revision>
-		<polaris.version>1.5.0-SNAPSHOT</polaris.version>
+		<revision>1.4.0-Hoxton.SR9</revision>
+		<polaris.version>1.5.0</polaris.version>
 		<powermock.version>2.0.0</powermock.version>
 
 		<!-- Maven Plugin Versions -->
diff --git a/spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java b/spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java
index 77f84f518..40ddeb240 100644
--- a/spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java
+++ b/spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java
@@ -55,6 +55,10 @@ public class GatewayCalleeController {
 
 	/**
 	 * Get metadata in HTTP header.
+	 *
+	 * @param metadataStr metadata string
+	 * @return metadata in HTTP header
+	 * @throws UnsupportedEncodingException encoding exception
 	 */
 	@RequestMapping("/echo")
 	public String echoHeader(
diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
index 3e87d5fdd..1c89de2d6 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/config/PolarisLoadBalancerAutoConfigurationTest.java
@@ -31,7 +31,7 @@ import static com.tencent.polaris.test.common.Consts.SERVICE_PROVIDER;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Test for {@link PolarisLoadBalancerAutoConfiguration}
+ * Test for {@link PolarisLoadBalancerAutoConfiguration}.
  *
  * @author Haotian Zhang
  */
diff --git a/src/checkstyle/checkstyle-suppressions.xml b/src/checkstyle/checkstyle-suppressions.xml
index 5993108df..68f366fb0 100644
--- a/src/checkstyle/checkstyle-suppressions.xml
+++ b/src/checkstyle/checkstyle-suppressions.xml
@@ -4,4 +4,5 @@
 		"https://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
 <suppressions>
 	<suppress files=".*" checks="RegexpHeader"/>
+	<suppress files=".*" checks="HideUtilityClassConstructor"/>
 </suppressions>
\ No newline at end of file