diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/pom.xml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/pom.xml
index fc970a7f..f5754169 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/pom.xml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/pom.xml
@@ -36,71 +36,51 @@
         <curator.version>4.0.1</curator.version>
     </properties>
 
-    <profiles>
+    <dependencyManagement>
+        <dependencies>
+            <!-- Spring Boot dependencies -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-        <profile>
-            <id>eureka</id>
-            <dependencies>
-                <!-- Eureka Service Discovery -->
-                <dependency>
-                    <groupId>org.springframework.cloud</groupId>
-                    <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
-                    <version>${spring-cloud-netflix.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
+            <!-- Spring Cloud Alibaba dependencies -->
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
+                <version>${project.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-        <!-- Zookeeper -->
-        <profile>
-            <id>zookeeper</id>
-            <dependencies>
-                <!-- Zookeeper Service Discovery -->
-                <dependency>
-                    <groupId>org.springframework.cloud</groupId>
-                    <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
-                    <version>${spring-cloud-zookeeper.version}</version>
-                    <exclusions>
-                        <exclusion>
-                            <groupId>org.apache.zookeeper</groupId>
-                            <artifactId>zookeeper</artifactId>
-                        </exclusion>
-                    </exclusions>
-                </dependency>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-netflix</artifactId>
+                <version>${spring-cloud-netflix.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-                <dependency>
-                    <groupId>org.apache.zookeeper</groupId>
-                    <artifactId>zookeeper</artifactId>
-                    <version>3.4.12</version>
-                    <optional>true</optional>
-                    <exclusions>
-                        <exclusion>
-                            <groupId>org.slf4j</groupId>
-                            <artifactId>slf4j-log4j12</artifactId>
-                        </exclusion>
-                    </exclusions>
-                </dependency>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-openfeign-dependencies</artifactId>
+                <version>${spring-cloud-openfeign.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-                <dependency>
-                    <groupId>org.apache.curator</groupId>
-                    <artifactId>curator-framework</artifactId>
-                    <version>${curator.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
-
-        <profile>
-            <id>consul</id>
-            <dependencies>
-                <!-- Spring Cloud Consul -->
-                <dependency>
-                    <groupId>org.springframework.cloud</groupId>
-                    <artifactId>spring-cloud-starter-consul-discovery</artifactId>
-                    <version>${spring-cloud-consul.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
-
-    </profiles>
+            <dependency>
+                <groupId>org.apache.dubbo</groupId>
+                <artifactId>dubbo-bom</artifactId>
+                <version>${dubbo.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
     <build>
         <plugins>
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-client-sample/src/main/resources/bootstrap.yaml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-client-sample/src/main/resources/bootstrap.yaml
index 349ec735..42e49bcb 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-client-sample/src/main/resources/bootstrap.yaml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-client-sample/src/main/resources/bootstrap.yaml
@@ -1,19 +1,15 @@
 dubbo:
   registry:
-    # 挂载到 Spring Cloud 注册中心
     address: spring-cloud://localhost
   cloud:
     subscribed-services: spring-cloud-alibaba-dubbo-server
 
 spring:
   application:
-    # Dubbo 应用名称
     name: spring-cloud-alibaba-dubbo-client
   main:
-    # Spring Boot 2.1 需要设定
     allow-bean-definition-overriding: true
   cloud:
     nacos:
-      # Nacos 服务发现与注册配置
       discovery:
         server-addr: 127.0.0.1:8848
\ No newline at end of file
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/pom.xml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/pom.xml
index 35c498c4..49cc5441 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/pom.xml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/pom.xml
@@ -14,35 +14,6 @@
     <artifactId>spring-cloud-dubbo-consumer-sample</artifactId>
     <name>Spring Cloud Dubbo Consumer Sample</name>
 
-    <dependencyManagement>
-        <dependencies>
-            <!-- Spring Cloud Alibaba dependencies -->
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-netflix</artifactId>
-                <version>${spring-cloud-netflix.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-openfeign-dependencies</artifactId>
-                <version>${spring-cloud-openfeign.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
     <dependencies>
 
         <dependency>
@@ -80,11 +51,58 @@
             <artifactId>spring-cloud-starter-dubbo</artifactId>
         </dependency>
 
+        <!-- List all Spring Cloud starters for Service Discovery -->
+
         <!-- Spring Cloud Nacos Service Discovery -->
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
         </dependency>
+
+        <!-- Eureka Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+
+        <!-- Zookeeper Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
+            <version>${spring-cloud-zookeeper.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.apache.zookeeper</groupId>
+                    <artifactId>zookeeper</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.zookeeper</groupId>
+            <artifactId>zookeeper</artifactId>
+            <version>3.4.12</version>
+            <optional>true</optional>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-log4j12</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-framework</artifactId>
+            <version>${curator.version}</version>
+        </dependency>
+
+        <!-- Spring Cloud Consul Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-consul-discovery</artifactId>
+            <version>${spring-cloud-consul.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/pom.xml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/pom.xml
index 5989d9f9..3672b591 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/pom.xml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/pom.xml
@@ -14,36 +14,6 @@
     <artifactId>spring-cloud-dubbo-provider-sample</artifactId>
     <name>Spring Cloud Dubbo Provider Sample</name>
 
-    <dependencyManagement>
-        <dependencies>
-            <!-- Spring Boot dependencies -->
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <version>${spring-boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-            <!-- Spring Cloud Alibaba dependencies -->
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-            <dependency>
-                <groupId>org.apache.dubbo</groupId>
-                <artifactId>dubbo-bom</artifactId>
-                <version>${dubbo.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
     <dependencies>
 
         <!-- Resolve the Dubbo REST RPC issue -->
@@ -78,12 +48,59 @@
             <artifactId>spring-cloud-starter-dubbo</artifactId>
         </dependency>
 
+        <!-- List all Spring Cloud starters for Service Discovery -->
+
         <!-- Spring Cloud Nacos Service Discovery -->
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
         </dependency>
 
+        <!-- Eureka Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+
+        <!-- Zookeeper Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
+            <version>${spring-cloud-zookeeper.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.apache.zookeeper</groupId>
+                    <artifactId>zookeeper</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.zookeeper</groupId>
+            <artifactId>zookeeper</artifactId>
+            <version>3.4.12</version>
+            <optional>true</optional>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-log4j12</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-framework</artifactId>
+            <version>${curator.version}</version>
+        </dependency>
+
+        <!-- Spring Cloud Consul Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-consul-discovery</artifactId>
+            <version>${spring-cloud-consul.version}</version>
+        </dependency>
+
         <!-- REST support dependencies -->
         <dependency>
             <groupId>io.netty</groupId>
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/pom.xml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/pom.xml
index d585e181..c4615e73 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/pom.xml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/pom.xml
@@ -14,19 +14,6 @@
     <artifactId>spring-cloud-dubbo-provider-web-sample</artifactId>
     <name>Spring Cloud Dubbo Provider Web Sample</name>
 
-    <dependencyManagement>
-        <dependencies>
-            <!-- Spring Cloud Alibaba dependencies -->
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
     <dependencies>
 
         <!-- Production Ready features -->
@@ -53,11 +40,60 @@
             <artifactId>spring-cloud-starter-dubbo</artifactId>
         </dependency>
 
+
+        <!-- List all Spring Cloud starters for Service Discovery -->
+
         <!-- Spring Cloud Nacos Service Discovery -->
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
         </dependency>
+
+        <!-- Eureka Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+
+        <!-- Zookeeper Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
+            <version>${spring-cloud-zookeeper.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.apache.zookeeper</groupId>
+                    <artifactId>zookeeper</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.zookeeper</groupId>
+            <artifactId>zookeeper</artifactId>
+            <version>3.4.12</version>
+            <optional>true</optional>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-log4j12</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-framework</artifactId>
+            <version>${curator.version}</version>
+        </dependency>
+
+        <!-- Spring Cloud Consul Service Discovery -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-consul-discovery</artifactId>
+            <version>${spring-cloud-consul.version}</version>
+        </dependency>
+
     </dependencies>
 
     <build>
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-server-sample/src/main/resources/bootstrap.yaml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-server-sample/src/main/resources/bootstrap.yaml
index 54cd459d..cee5b8fe 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-server-sample/src/main/resources/bootstrap.yaml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-server-sample/src/main/resources/bootstrap.yaml
@@ -1,25 +1,18 @@
 dubbo:
   scan:
-    # dubbo 服务扫描基准包
     base-packages: org.springframework.cloud.alibaba.dubbo.bootstrap
   protocol:
-    # dubbo 协议
     name: dubbo
-    # dubbo 协议端口（ -1 表示自增端口）
     port: -1
   registry:
-    # 挂载到 Spring Cloud 注册中心
     address: spring-cloud://localhost
 
 spring:
   application:
-    # Dubbo 应用名称
     name: spring-cloud-alibaba-dubbo-server
   main:
-    # Spring Boot 2.1 需要设定
     allow-bean-definition-overriding: true
   cloud:
     nacos:
-      # Nacos 服务发现与注册配置
       discovery:
         server-addr: 127.0.0.1:8848
\ No newline at end of file
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-servlet-gateway-sample/pom.xml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-servlet-gateway-sample/pom.xml
index bf3353d7..ac58a814 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-servlet-gateway-sample/pom.xml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-servlet-gateway-sample/pom.xml
@@ -14,27 +14,6 @@
     <artifactId>spring-cloud-dubbo-servlet-gateway-sample</artifactId>
     <name>Spring Cloud Dubbo Servlet Gateway Sample</name>
 
-    <dependencyManagement>
-        <dependencies>
-            <!-- Spring Cloud Alibaba dependencies -->
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-openfeign-dependencies</artifactId>
-                <version>${spring-cloud-openfeign.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
     <dependencies>
 
         <dependency>