diff --git a/README.md b/README.md
index 2c88912..839c4ab 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,9 @@
 ![license](https://img.shields.io/github/license/apache/dubbo-spring-boot-project.svg)
 
 [Apache Dubbo](https://github.com/apache/dubbo) Spring Boot Project makes it easy to create [Spring Boot](https://github.com/spring-projects/spring-boot/) application using Dubbo as RPC Framework. What's more, it also provides 
+[![codecov](https://codecov.io/gh/apache/dubbo-spring-boot-project/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/ubbo-spring-boot-project)
+![license](https://img.shields.io/github/license/apache/dubbo-spring-boot-project.svg)
+
 
 * [auto-configure features](dubbo-spring-boot-autoconfigure) (e.g., annotation-driven, auto configuration, externalized configuration).
 * [production-ready features](dubbo-spring-boot-actuator) (e.g., security, health checks, externalized configuration).
@@ -19,8 +22,8 @@
 You can introduce the latest `dubbo-spring-boot-starter` to your project by adding the following dependency to your pom.xml
 ```xml
 <properties>
-    <spring-boot.version>2.1.6.RELEASE</spring-boot.version>
-    <dubbo.version>2.7.3</dubbo.version>
+    <spring-boot.version>2.2.0.RELEASE</spring-boot.version>
+    <dubbo.version>2.7.4.1</dubbo.version>
 </properties>
     
 <dependencyManagement>
@@ -51,7 +54,7 @@
     <dependency>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-spring-boot-starter</artifactId>
-        <version>2.7.3</version>
+        <version>2.7.4.1</version>
     </dependency>    
 </dependencies>
 ```
diff --git a/README_CN.md b/README_CN.md
index 824b972..f126762 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -72,7 +72,7 @@
     <dependency>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-spring-boot-starter</artifactId>
-        <version>2.7.3</version>
+        <version>2.7.4.1</version>
     </dependency>
     
     <dependency>
diff --git a/dubbo-spring-boot-actuator/README.md b/dubbo-spring-boot-actuator/README.md
index fe75934..92269c5 100644
--- a/dubbo-spring-boot-actuator/README.md
+++ b/dubbo-spring-boot-actuator/README.md
@@ -22,7 +22,7 @@
 <dependency>
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-spring-boot-actuator</artifactId>
-    <version>2.7.3</version>
+    <version>2.7.4.1</version>
 </dependency>
 ```
 
diff --git a/dubbo-spring-boot-autoconfigure/README.md b/dubbo-spring-boot-autoconfigure/README.md
index d05d24e..800f230 100644
--- a/dubbo-spring-boot-autoconfigure/README.md
+++ b/dubbo-spring-boot-autoconfigure/README.md
@@ -23,7 +23,7 @@
 <dependency>
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-spring-boot-autoconfigure</artifactId>
-    <version>2.7.3</version>
+    <version>2.7.4.1</version>
 </dependency>
 ```
 
diff --git a/dubbo-spring-boot-autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfiguration.java b/dubbo-spring-boot-autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfiguration.java
index 85f8ffd..bb69733 100644
--- a/dubbo-spring-boot-autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfiguration.java
+++ b/dubbo-spring-boot-autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfiguration.java
@@ -17,7 +17,7 @@
 package org.apache.dubbo.spring.boot.autoconfigure;
 
 import org.apache.dubbo.config.spring.context.properties.DubboConfigBinder;
-import org.apache.dubbo.config.spring.util.PropertySourcesUtils;
+
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
@@ -34,6 +34,7 @@
 
 import java.util.Map;
 
+import static org.apache.dubbo.config.spring.util.PropertySourcesUtils.getPrefixedProperties;
 import static org.apache.dubbo.spring.boot.util.DubboUtils.BASE_PACKAGES_PROPERTY_RESOLVER_BEAN_NAME;
 import static org.apache.dubbo.spring.boot.util.DubboUtils.DUBBO_PREFIX;
 import static org.apache.dubbo.spring.boot.util.DubboUtils.DUBBO_SCAN_PREFIX;
@@ -57,7 +58,7 @@
         ConfigurableEnvironment propertyResolver = new AbstractEnvironment() {
             @Override
             protected void customizePropertySources(MutablePropertySources propertySources) {
-                Map<String, Object> dubboScanProperties = PropertySourcesUtils.getSubProperties(environment, DUBBO_SCAN_PREFIX);
+                Map<String, Object> dubboScanProperties = getPrefixedProperties(environment.getPropertySources(), DUBBO_SCAN_PREFIX);
                 propertySources.addLast(new MapPropertySource("dubboScanProperties", dubboScanProperties));
             }
         };
diff --git a/dubbo-spring-boot-autoconfigure/src/test/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfigurationTest.java b/dubbo-spring-boot-autoconfigure/src/test/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfigurationTest.java
index aa205b7..78bf1cd 100644
--- a/dubbo-spring-boot-autoconfigure/src/test/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfigurationTest.java
+++ b/dubbo-spring-boot-autoconfigure/src/test/java/org/apache/dubbo/spring/boot/autoconfigure/DubboRelaxedBinding2AutoConfigurationTest.java
@@ -94,4 +94,4 @@
         assertTrue(environments.containsValue(environment));
     }
 
-}
+}
\ No newline at end of file
diff --git a/dubbo-spring-boot-compatible/autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/RelaxedDubboConfigBinder.java b/dubbo-spring-boot-compatible/autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/RelaxedDubboConfigBinder.java
index b0e8480..6089d63 100644
--- a/dubbo-spring-boot-compatible/autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/RelaxedDubboConfigBinder.java
+++ b/dubbo-spring-boot-compatible/autoconfigure/src/main/java/org/apache/dubbo/spring/boot/autoconfigure/RelaxedDubboConfigBinder.java
@@ -19,12 +19,13 @@
 import org.apache.dubbo.config.AbstractConfig;
 import org.apache.dubbo.config.spring.context.properties.AbstractDubboConfigBinder;
 import org.apache.dubbo.config.spring.context.properties.DubboConfigBinder;
+
 import org.springframework.beans.MutablePropertyValues;
 import org.springframework.boot.bind.RelaxedDataBinder;
 
 import java.util.Map;
 
-import static org.apache.dubbo.config.spring.util.PropertySourcesUtils.getSubProperties;
+import static org.apache.dubbo.config.spring.util.PropertySourcesUtils.getPrefixedProperties;
 
 /**
  * Spring Boot Relaxed {@link DubboConfigBinder} implementation
@@ -40,7 +41,7 @@
         relaxedDataBinder.setIgnoreInvalidFields(isIgnoreInvalidFields());
         relaxedDataBinder.setIgnoreUnknownFields(isIgnoreUnknownFields());
         // Get properties under specified prefix from PropertySources
-        Map<String, Object> properties = getSubProperties(getPropertySources(), prefix);
+        Map<String, Object> properties = getPrefixedProperties(getPropertySources(), prefix);
         // Convert Map to MutablePropertyValues
         MutablePropertyValues propertyValues = new MutablePropertyValues(properties);
         // Bind
diff --git a/dubbo-spring-boot-parent/pom.xml b/dubbo-spring-boot-parent/pom.xml
index b4424c0..38adc97 100644
--- a/dubbo-spring-boot-parent/pom.xml
+++ b/dubbo-spring-boot-parent/pom.xml
@@ -38,7 +38,7 @@
         <java.target.version>1.8</java.target.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <spring-boot.version>2.1.6.RELEASE</spring-boot.version>
+        <spring-boot.version>2.2.0.RELEASE</spring-boot.version>
         <dubbo.version>${revision}</dubbo.version>
         <!-- Build args -->
         <argline>-server -Xms256m -Xmx512m -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=true
diff --git a/dubbo-spring-boot-samples/pom.xml b/dubbo-spring-boot-samples/pom.xml
index 7e79622..e3adab3 100644
--- a/dubbo-spring-boot-samples/pom.xml
+++ b/dubbo-spring-boot-samples/pom.xml
@@ -78,5 +78,21 @@
             </properties>
         </profile>
 
+        <profile>
+            <!-- Spring Boot 2.0 -->
+            <id>spring-boot-2.0</id>
+            <properties>
+                <spring-boot.version>2.0.9.RELEASE</spring-boot.version>
+            </properties>
+        </profile>
+
+        <profile>
+            <!-- Spring Boot 2.1 -->
+            <id>spring-boot-2.1</id>
+            <properties>
+                <spring-boot.version>2.1.9.RELEASE</spring-boot.version>
+            </properties>
+        </profile>
+      
     </profiles>
 </project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 6a0fe46..a6b05d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,9 @@
     <url>https://github.com/apache/dubbo-spring-boot-project</url>
 
     <properties>
-        <revision>2.7.3</revision>
+        <maven_javadoc_version>3.0.1</maven_javadoc_version>
+        <maven_surefire_version>2.19.1</maven_surefire_version>
+        <revision>2.7.4.1</revision>
     </properties>
 
     <modules>