diff --git a/pom.xml b/pom.xml
index ca59e57e..d7409ab1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.quancheng.saluki</groupId>
 	<artifactId>saluki</artifactId>
-	<version>1.5.6.RLEASE</version>
+	<version>1.5.6.RELEASE</version>
 	<inceptionYear>2017</inceptionYear>
 	<packaging>pom</packaging>
 	<licenses>
diff --git a/saluki-core/pom.xml b/saluki-core/pom.xml
index fa00aa3a..3cdfed08 100644
--- a/saluki-core/pom.xml
+++ b/saluki-core/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-core/src/main/java/com/quancheng/saluki/core/grpc/client/internal/stream/CallToStreamObserverAdapter.java b/saluki-core/src/main/java/com/quancheng/saluki/core/grpc/client/internal/stream/CallToStreamObserverAdapter.java
index fc05310e..181a383f 100644
--- a/saluki-core/src/main/java/com/quancheng/saluki/core/grpc/client/internal/stream/CallToStreamObserverAdapter.java
+++ b/saluki-core/src/main/java/com/quancheng/saluki/core/grpc/client/internal/stream/CallToStreamObserverAdapter.java
@@ -13,6 +13,8 @@
  */
 package com.quancheng.saluki.core.grpc.client.internal.stream;
 
+import javax.annotation.Nullable;
+
 import io.grpc.ClientCall;
 import io.grpc.stub.ClientCallStreamObserver;
 
@@ -91,4 +93,9 @@ public void setMessageCompression(boolean enable) {
     call.setMessageCompression(enable);
   }
 
+  @Override
+  public void cancel(@Nullable String message, @Nullable Throwable cause) {
+    call.cancel(message, cause);
+  }
+
 }
diff --git a/saluki-gateway/pom.xml b/saluki-gateway/pom.xml
index f31c7f92..1747eaed 100644
--- a/saluki-gateway/pom.xml
+++ b/saluki-gateway/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-monitor/pom.xml b/saluki-monitor/pom.xml
index 14a4c8e2..387c3a06 100644
--- a/saluki-monitor/pom.xml
+++ b/saluki-monitor/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-monitor/saluki-monitor-console/pom.xml b/saluki-monitor/saluki-monitor-console/pom.xml
index 68e1fa53..bc628298 100644
--- a/saluki-monitor/saluki-monitor-console/pom.xml
+++ b/saluki-monitor/saluki-monitor-console/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-monitor</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-monitor/spring-boot-starter-saluki-monitor/pom.xml b/saluki-monitor/spring-boot-starter-saluki-monitor/pom.xml
index d4d887f2..907abf54 100644
--- a/saluki-monitor/spring-boot-starter-saluki-monitor/pom.xml
+++ b/saluki-monitor/spring-boot-starter-saluki-monitor/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-monitor</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-plugin/pom.xml b/saluki-plugin/pom.xml
index bbaa078f..0814c11a 100644
--- a/saluki-plugin/pom.xml
+++ b/saluki-plugin/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-plugin/saluki-maven-plugin/pom.xml b/saluki-plugin/saluki-maven-plugin/pom.xml
index b3297015..4a6c4703 100644
--- a/saluki-plugin/saluki-maven-plugin/pom.xml
+++ b/saluki-plugin/saluki-maven-plugin/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-plugin</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<dependencies>
 		<dependency>
diff --git a/saluki-plugin/saluki-plugin-common/pom.xml b/saluki-plugin/saluki-plugin-common/pom.xml
index 8b933bd8..764cd03d 100644
--- a/saluki-plugin/saluki-plugin-common/pom.xml
+++ b/saluki-plugin/saluki-plugin-common/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-plugin</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<properties>
 		<protoc-jar.version>3.1.0.1</protoc-jar.version>
diff --git a/saluki-registry/pom.xml b/saluki-registry/pom.xml
index d5683b62..3aebe2e3 100644
--- a/saluki-registry/pom.xml
+++ b/saluki-registry/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-registry/saluki-registry-consul/pom.xml b/saluki-registry/saluki-registry-consul/pom.xml
index 5320a240..76c77004 100644
--- a/saluki-registry/saluki-registry-consul/pom.xml
+++ b/saluki-registry/saluki-registry-consul/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-registry</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-registry/saluki-registry-etcd3/pom.xml b/saluki-registry/saluki-registry-etcd3/pom.xml
index 4c7f8e75..7f7705f1 100644
--- a/saluki-registry/saluki-registry-etcd3/pom.xml
+++ b/saluki-registry/saluki-registry-etcd3/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki-registry</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-serializer/pom.xml b/saluki-serializer/pom.xml
index 9fc9d26e..1d6b3deb 100644
--- a/saluki-serializer/pom.xml
+++ b/saluki-serializer/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-service/pom.xml b/saluki-service/pom.xml
index 377ab915..9450208d 100644
--- a/saluki-service/pom.xml
+++ b/saluki-service/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/saluki-springsupport/pom.xml b/saluki-springsupport/pom.xml
index e44f6eeb..e45ca2aa 100644
--- a/saluki-springsupport/pom.xml
+++ b/saluki-springsupport/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>
diff --git a/spring-boot-starter-saluki/pom.xml b/spring-boot-starter-saluki/pom.xml
index 286c75c7..626507b6 100644
--- a/spring-boot-starter-saluki/pom.xml
+++ b/spring-boot-starter-saluki/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>com.quancheng.saluki</groupId>
 		<artifactId>saluki</artifactId>
-		<version>1.5.5-SNAPSHOT</version>
+		<version>1.5.6.RELEASE</version>
 	</parent>
 	<licenses>
 		<license>