diff --git a/spring-cloud-alibaba-dependencies/pom.xml b/spring-cloud-alibaba-dependencies/pom.xml
index 5c2b55ed8..d572ce101 100644
--- a/spring-cloud-alibaba-dependencies/pom.xml
+++ b/spring-cloud-alibaba-dependencies/pom.xml
@@ -23,16 +23,7 @@
         <seata.version>1.1.0</seata.version>
         <nacos.client.version>1.2.1</nacos.client.version>
         <nacos.config.version>0.8.0</nacos.config.version>
-        <acm.version>1.0.9</acm.version>
-        <ans.version>1.0.1</ans.version>
-        <aliyun.sdk.version>4.4.1</aliyun.sdk.version>
-        <alicloud.context.version>1.0.5</alicloud.context.version>
-        <aliyun.sdk.edas.version>2.44.0</aliyun.sdk.edas.version>
-        <schedulerX.client.version>2.1.6</schedulerX.client.version>
-        <aliyun.java.sdk.dysmsapi>1.1.0</aliyun.java.sdk.dysmsapi>
-        <aliyun.sdk.mns>1.1.8.6</aliyun.sdk.mns>
-        <aliyun.java.sdk.dyvmsapi>1.1.1</aliyun.java.sdk.dyvmsapi>
-        <spring.context.support.version>1.0.5</spring.context.support.version>
+        <spring.context.support.version>1.0.6</spring.context.support.version>
     </properties>
 
     <dependencyManagement>
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 42e49bcbd..757a772f1 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
@@ -11,5 +11,7 @@ spring:
     allow-bean-definition-overriding: true
   cloud:
     nacos:
+      username: nacos
+      password: nacos
       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/src/main/resources/bootstrap.yaml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/src/main/resources/bootstrap.yaml
index dca555cf2..6dcd0df3a 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/src/main/resources/bootstrap.yaml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/src/main/resources/bootstrap.yaml
@@ -8,6 +8,8 @@ spring:
   # default disable all
   cloud:
     nacos:
+      username: nacos
+      password: nacos
       discovery:
         enabled: false
         register-enabled: false
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/src/main/resources/bootstrap.yaml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/src/main/resources/bootstrap.yaml
index 0d8dfca92..8f56b284b 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/src/main/resources/bootstrap.yaml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-sample/src/main/resources/bootstrap.yaml
@@ -27,6 +27,8 @@ spring:
 
   cloud:
     nacos:
+      username: nacos
+      password: nacos
       discovery:
         enabled: true
         register-enabled: true
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/src/main/resources/bootstrap.yaml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/src/main/resources/bootstrap.yaml
index 0d8dfca92..bf4d028d7 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/src/main/resources/bootstrap.yaml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-provider-web-sample/src/main/resources/bootstrap.yaml
@@ -8,6 +8,8 @@ spring:
   # default disable all
   cloud:
     nacos:
+      username: nacos
+      password: nacos
       discovery:
         enabled: false
         register-enabled: false