Merge branch 'master' into master
diff --git a/README_CN.md b/README_CN.md
index 983dc6c..e0d7d64 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -266,7 +266,7 @@
 [dubbo-spring-boot-actuator](dubbo-spring-boot-actuator) 提供 Production-Ready 特性:
 
 * [健康检查](dubbo-spring-boot-actuator#health-checks)
-* [控制断点](dubbo-spring-boot-actuator#endpoints)
+* [控制端点](dubbo-spring-boot-actuator#endpoints)
 * [外部化配置](dubbo-spring-boot-actuator#externalized-configuration)
 
 
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/pom.xml b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/pom.xml
new file mode 100644
index 0000000..fd0cc79
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>dubbo-spring-boot-registry-nacos-samples</artifactId>
+        <groupId>org.apache.dubbo.samples</groupId>
+        <version>2.7.1</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>dubbo-spring-boot-registry-nacos-consumer-sample</artifactId>
+    <name>Apache Dubbo Spring Boot :: Samples : Registry Nacos :: Consumer Sample</name>
+
+    <properties>
+        <nacos.version>1.0.0-RC3</nacos.version>
+    </properties>
+
+    <dependencies>
+        <!-- Spring Boot dependencies -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-spring-boot-starter</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <!-- Dubbo -->
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo</artifactId>
+        </dependency>
+
+        <!-- Dubbo Registry Nacos -->
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-registry-nacos</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-client</artifactId>
+            <version>${nacos.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo.samples</groupId>
+            <artifactId>dubbo-spring-boot-sample-api</artifactId>
+            <version>${revision}</version>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/java/org/apache/dubbo/spring/boot/demo/consumer/bootstrap/DubboRegistryNacosConsumerBootstrap.java b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/java/org/apache/dubbo/spring/boot/demo/consumer/bootstrap/DubboRegistryNacosConsumerBootstrap.java
new file mode 100644
index 0000000..f42a4eb
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/java/org/apache/dubbo/spring/boot/demo/consumer/bootstrap/DubboRegistryNacosConsumerBootstrap.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.spring.boot.demo.consumer.bootstrap;
+
+import org.apache.dubbo.config.annotation.Reference;
+import org.apache.dubbo.spring.boot.demo.consumer.DemoService;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+
+/**
+ * Dubbo Registry ZooKeeper Nacos Bootstrap
+ */
+@EnableAutoConfiguration
+public class DubboRegistryNacosConsumerBootstrap {
+
+    private final Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Reference(version = "${demo.service.version}")
+    private DemoService demoService;
+
+    public static void main(String[] args) {
+        SpringApplication.run(DubboRegistryNacosConsumerBootstrap.class).close();
+    }
+
+    @Bean
+    public ApplicationRunner runner() {
+        return args -> logger.info(demoService.sayHello("mercyblitz"));
+    }
+}
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/resources/application.yml b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..ebfd149
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/consumer-sample/src/main/resources/application.yml
@@ -0,0 +1,15 @@
+spring:
+  application:
+    name: dubbo-registry-nacos-consumer-sample
+
+demo:
+  service:
+    version: 1.0.0
+
+nacos:
+  host: 127.0.0.1
+  port: 8848
+
+dubbo:
+  registry:
+    address: nacos://${nacos.host}:${nacos.port}
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/pom.xml b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/pom.xml
new file mode 100644
index 0000000..56badba
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/pom.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>dubbo-spring-boot-samples</artifactId>
+        <groupId>org.apache.dubbo.samples</groupId>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>dubbo-spring-boot-registry-nacos-samples</artifactId>
+    <name>Apache Dubbo Spring Boot :: Samples : Registry Nacos</name>
+    <description>Apache Dubbo Spring Boot Registry Nacos Samples</description>
+    <packaging>pom</packaging>
+
+
+    <modules>
+        <module>provider-sample</module>
+        <module>consumer-sample</module>
+    </modules>
+
+</project>
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/pom.xml b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/pom.xml
new file mode 100644
index 0000000..6996621
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.apache.dubbo.samples</groupId>
+        <artifactId>dubbo-spring-boot-registry-nacos-samples</artifactId>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>dubbo-spring-boot-registry-nacos-provider-sample</artifactId>
+    <name>Apache Dubbo Spring Boot :: Samples : Registry Nacos :: Provider Sample</name>
+
+    <properties>
+        <nacos.version>1.0.0-RC3</nacos.version>
+    </properties>
+
+    <dependencies>
+        <!-- Spring Boot dependencies -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-spring-boot-starter</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <!-- Dubbo -->
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo</artifactId>
+        </dependency>
+
+        <!-- Dubbo Registry Nacos -->
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-registry-nacos</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-client</artifactId>
+            <version>${nacos.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo.samples</groupId>
+            <artifactId>dubbo-spring-boot-sample-api</artifactId>
+            <version>${revision}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/bootstrap/DubboRegistryNacosProviderBootstrap.java b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/bootstrap/DubboRegistryNacosProviderBootstrap.java
new file mode 100644
index 0000000..64b523f
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/bootstrap/DubboRegistryNacosProviderBootstrap.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.spring.boot.demo.provider.bootstrap;
+
+import org.apache.dubbo.spring.boot.demo.provider.service.DefaultDemoService;
+
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+
+/**
+ * Dubbo Registry Nacos Provider Bootstrap
+ *
+ * @see DefaultDemoService
+ * @since 2.7.0
+ */
+@EnableAutoConfiguration
+public class DubboRegistryNacosProviderBootstrap {
+
+    public static void main(String[] args) {
+        new SpringApplicationBuilder(DubboRegistryNacosProviderBootstrap.class)
+                .run(args);
+    }
+}
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/service/DefaultDemoService.java b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/service/DefaultDemoService.java
new file mode 100644
index 0000000..bbfe525
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/java/org/apache/dubbo/spring/boot/demo/provider/service/DefaultDemoService.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.spring.boot.demo.provider.service;
+
+import org.apache.dubbo.config.annotation.Service;
+import org.apache.dubbo.spring.boot.demo.consumer.DemoService;
+
+import org.springframework.beans.factory.annotation.Value;
+
+/**
+ * Default {@link DemoService}
+ *
+ * @see DemoService
+ * @since 2.7.0
+ */
+@Service(version = "${demo.service.version}")
+public class DefaultDemoService implements DemoService {
+
+    /**
+     * The default value of ${dubbo.application.name} is ${spring.application.name}
+     */
+    @Value("${dubbo.application.name}")
+    private String serviceName;
+
+    @Override
+    public String sayHello(String name) {
+        return String.format("[%s] : Hello, %s", serviceName, name);
+    }
+}
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/resources/application.properties b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/resources/application.properties
new file mode 100644
index 0000000..38c2eb4
--- /dev/null
+++ b/dubbo-spring-boot-samples/dubbo-registry-nacos-samples/provider-sample/src/main/resources/application.properties
@@ -0,0 +1,21 @@
+# Spring boot application
+spring.application.name=dubbo-registry-nacos-provider-sample
+# Base packages to scan Dubbo Component: @org.apache.dubbo.config.annotation.Service
+dubbo.scan.base-packages=org.apache.dubbo.spring.boot.demo.provider.service
+
+# Dubbo Application
+## The default value of dubbo.application.name is ${spring.application.name}
+## dubbo.application.name=${spring.application.name}
+nacos.server-address = 127.0.0.1
+nacos.port = 8848
+
+# Dubbo Protocol
+dubbo.protocol.name=dubbo
+## Random port
+dubbo.protocol.port=-1
+
+## Dubbo Registry
+dubbo.registry.address=nacos://${nacos.server-address}:${nacos.port}
+
+## DemoService version
+demo.service.version=1.0.0
\ No newline at end of file
diff --git a/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/consumer-sample/pom.xml b/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/consumer-sample/pom.xml
index edaf304..42860c1 100644
--- a/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/consumer-sample/pom.xml
+++ b/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/consumer-sample/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/provider-sample/pom.xml b/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/provider-sample/pom.xml
index 8f1719a..94e7598 100644
--- a/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/provider-sample/pom.xml
+++ b/dubbo-spring-boot-samples/dubbo-registry-zookeeper-samples/provider-sample/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/dubbo-spring-boot-samples/externalized-configuration-samples/consumer-sample/pom.xml b/dubbo-spring-boot-samples/externalized-configuration-samples/consumer-sample/pom.xml
index 893dd4b..edafe3d 100644
--- a/dubbo-spring-boot-samples/externalized-configuration-samples/consumer-sample/pom.xml
+++ b/dubbo-spring-boot-samples/externalized-configuration-samples/consumer-sample/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/dubbo-spring-boot-samples/externalized-configuration-samples/pom.xml b/dubbo-spring-boot-samples/externalized-configuration-samples/pom.xml
index 86e26ad..db6f08a 100644
--- a/dubbo-spring-boot-samples/externalized-configuration-samples/pom.xml
+++ b/dubbo-spring-boot-samples/externalized-configuration-samples/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/dubbo-spring-boot-samples/externalized-configuration-samples/provider-sample/pom.xml b/dubbo-spring-boot-samples/externalized-configuration-samples/provider-sample/pom.xml
index 47a2bb1..74ee45c 100644
--- a/dubbo-spring-boot-samples/externalized-configuration-samples/provider-sample/pom.xml
+++ b/dubbo-spring-boot-samples/externalized-configuration-samples/provider-sample/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/dubbo-spring-boot-samples/pom.xml b/dubbo-spring-boot-samples/pom.xml
index 450f328..579f3fe 100644
--- a/dubbo-spring-boot-samples/pom.xml
+++ b/dubbo-spring-boot-samples/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -37,6 +37,7 @@
         <module>auto-configure-samples</module>
         <module>externalized-configuration-samples</module>
         <module>dubbo-registry-zookeeper-samples</module>
+        <module>dubbo-registry-nacos-samples</module>
     </modules>
 
     <build>
diff --git a/dubbo-spring-boot-samples/sample-api/pom.xml b/dubbo-spring-boot-samples/sample-api/pom.xml
index 25964a5..3f3b32b 100644
--- a/dubbo-spring-boot-samples/sample-api/pom.xml
+++ b/dubbo-spring-boot-samples/sample-api/pom.xml
@@ -14,7 +14,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  -->
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">