diff --git a/README.md b/README.md
index 1b2ed965..692bee34 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ ByteTCC是一个基于TCC（Try/Confirm/Cancel）机制的分布式事务管理
 <dependency>
 	<groupId>org.bytesoft</groupId>
 	<artifactId>bytetcc-supports</artifactId>
-	<version>0.3.0-RC1</version>
+	<version>0.3.0-RC2</version>
 </dependency>
 ```
 #### 1.2. 编写业务服务
diff --git a/bytetcc-common/pom.xml b/bytetcc-common/pom.xml
index a31672e8..dfdac81b 100644
--- a/bytetcc-common/pom.xml
+++ b/bytetcc-common/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.bytesoft</groupId>
 		<artifactId>bytetcc-parent</artifactId>
-		<version>0.3.0-RC1</version>
+		<version>0.3.0-RC2</version>
 	</parent>
 	<artifactId>bytetcc-common</artifactId>
 	<packaging>jar</packaging>
diff --git a/bytetcc-core/pom.xml b/bytetcc-core/pom.xml
index 0948fa5c..37404466 100644
--- a/bytetcc-core/pom.xml
+++ b/bytetcc-core/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.bytesoft</groupId>
 		<artifactId>bytetcc-parent</artifactId>
-		<version>0.3.0-RC1</version>
+		<version>0.3.0-RC2</version>
 	</parent>
 	<artifactId>bytetcc-core</artifactId>
 	<packaging>jar</packaging>
@@ -22,13 +22,13 @@
 		<dependency>
 			<groupId>org.bytesoft</groupId>
 			<artifactId>bytetcc-common</artifactId>
-			<version>0.3.0-RC1</version>
+			<version>0.3.0-RC2</version>
 		</dependency>
 
 		<dependency>
 			<groupId>org.bytesoft</groupId>
 			<artifactId>bytejta-core</artifactId>
-			<version>0.3.0-RC1</version>
+			<version>0.3.0-RC2</version>
 		</dependency>
 
 		<dependency>
diff --git a/bytetcc-supports/pom.xml b/bytetcc-supports/pom.xml
index 847a4035..2e5aa492 100644
--- a/bytetcc-supports/pom.xml
+++ b/bytetcc-supports/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.bytesoft</groupId>
 		<artifactId>bytetcc-parent</artifactId>
-		<version>0.3.0-RC1</version>
+		<version>0.3.0-RC2</version>
 	</parent>
 	<artifactId>bytetcc-supports</artifactId>
 	<packaging>jar</packaging>
@@ -22,12 +22,12 @@
 		<dependency>
 			<groupId>org.bytesoft</groupId>
 			<artifactId>bytetcc-core</artifactId>
-			<version>0.3.0-RC1</version>
+			<version>0.3.0-RC2</version>
 		</dependency>
 		<dependency>
 			<groupId>org.bytesoft</groupId>
 			<artifactId>bytejta-supports</artifactId>
-			<version>0.3.0-RC1</version>
+			<version>0.3.0-RC2</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>
diff --git a/pom.xml b/pom.xml
index 6e310d88..61a996af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>org.bytesoft</groupId>
 	<artifactId>bytetcc-parent</artifactId>
-	<version>0.3.0-RC1</version>
+	<version>0.3.0-RC2</version>
 	<packaging>pom</packaging>
 	<name>bytetcc-parent</name>
 	<description>ByteTCC is a transaction manager based on the TCC(Try/Confirm/Cancel) mechanism.</description>