diff --git a/examples/pom.xml b/examples/pom.xml
index 8fe886e..8af886a 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>capa-parent</artifactId>
         <groupId>group.rxcloud</groupId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-examples</artifactId>
diff --git a/pom.xml b/pom.xml
index 3fdfbad..a59afbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <groupId>group.rxcloud</groupId>
     <artifactId>capa-parent</artifactId>
     <packaging>pom</packaging>
-    <version>1.0.4.RELEASE</version>
+    <version>1.0.6.RELEASE</version>
     <name>capa-sdk-parent</name>
     <description>SDK for Capa.</description>
     <url>https://github.com/reactivegroup</url>
@@ -72,7 +72,7 @@
         <java.version>8</java.version>
         <file.encoding>UTF-8</file.encoding>
         <maven.version>3.8.1</maven.version>
-        <cloud-runtimes.version>1.0.4.RELEASE</cloud-runtimes.version>
+        <cloud-runtimes.version>1.0.7.RELEASE</cloud-runtimes.version>
         <reactor-core.version>3.3.11.RELEASE</reactor-core.version>
         <junit.version>5.3.1</junit.version>
         <mockito-core.version>3.6.0</mockito-core.version>
@@ -128,6 +128,7 @@
                 <groupId>io.projectreactor</groupId>
                 <artifactId>reactor-core</artifactId>
                 <version>${reactor-core.version}</version>
+                <optional>true</optional>
             </dependency>
 
             <!-- unit test -->
diff --git a/sdk-component/pom.xml b/sdk-component/pom.xml
index d78462b..5cea9fb 100644
--- a/sdk-component/pom.xml
+++ b/sdk-component/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>group.rxcloud</groupId>
         <artifactId>capa-parent</artifactId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-sdk-component</artifactId>
@@ -70,6 +70,7 @@
             <artifactId>kotlin-stdlib-common</artifactId>
             <version>${kotlin-stdlib.version}</version>
         </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
diff --git a/sdk-infrastructure/pom.xml b/sdk-infrastructure/pom.xml
index d329ac7..9ff9834 100644
--- a/sdk-infrastructure/pom.xml
+++ b/sdk-infrastructure/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>capa-parent</artifactId>
         <groupId>group.rxcloud</groupId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-sdk-infrastructure</artifactId>
diff --git a/sdk-spi-demo/pom.xml b/sdk-spi-demo/pom.xml
index c772e6f..1081e97 100644
--- a/sdk-spi-demo/pom.xml
+++ b/sdk-spi-demo/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>capa-parent</artifactId>
         <groupId>group.rxcloud</groupId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-sdk-spi-demo</artifactId>
diff --git a/sdk-spi/pom.xml b/sdk-spi/pom.xml
index c47e783..78521df 100644
--- a/sdk-spi/pom.xml
+++ b/sdk-spi/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>capa-parent</artifactId>
         <groupId>group.rxcloud</groupId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-sdk-spi</artifactId>
diff --git a/sdk/pom.xml b/sdk/pom.xml
index 59578a4..62a8172 100644
--- a/sdk/pom.xml
+++ b/sdk/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>group.rxcloud</groupId>
         <artifactId>capa-parent</artifactId>
-        <version>1.0.4.RELEASE</version>
+        <version>1.0.6.RELEASE</version>
     </parent>
 
     <artifactId>capa-sdk</artifactId>
diff --git a/sdk/src/main/java/group/rxcloud/capa/pubsub/CapaPubSubClient.java b/sdk/src/main/java/group/rxcloud/capa/pubsub/CapaPubSubClient.java
index 4590a46..2f24d74 100644
--- a/sdk/src/main/java/group/rxcloud/capa/pubsub/CapaPubSubClient.java
+++ b/sdk/src/main/java/group/rxcloud/capa/pubsub/CapaPubSubClient.java
@@ -25,13 +25,13 @@
 public interface CapaPubSubClient extends DefaultCloudRuntimesClient {
 
     @Override
-    Mono<Void> publishEvent(String pubsubName, String topicName, Object data);
+    Mono<String> publishEvent(String pubsubName, String topicName, Object data);
 
     @Override
-    Mono<Void> publishEvent(String pubsubName, String topicName, Object data, Map<String, String> metadata);
+    Mono<String> publishEvent(String pubsubName, String topicName, Object data, Map<String, String> metadata);
 
     @Override
-    Mono<Void> publishEvent(PublishEventRequest request);
+    Mono<String> publishEvent(PublishEventRequest request);
 
     @Override
     default Mono<Void> shutdown() {