diff --git a/pom.xml b/pom.xml
index 289d2aa2..19d558bc 100755
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.alibaba.csp</groupId>
     <artifactId>sentinel-parent</artifactId>
-    <version>0.2.0</version>
+    <version>0.2.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>${project.artifactId}</name>
diff --git a/sentinel-adapter/pom.xml b/sentinel-adapter/pom.xml
index fa6e1b0d..acd5ba79 100755
--- a/sentinel-adapter/pom.xml
+++ b/sentinel-adapter/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-adapter</artifactId>
     <packaging>pom</packaging>
diff --git a/sentinel-adapter/sentinel-dubbo-adapter/pom.xml b/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
index 69b8a89a..3fbc4cfe 100755
--- a/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
+++ b/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-adapter</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sentinel-dubbo-adapter</artifactId>
diff --git a/sentinel-adapter/sentinel-grpc-adapter/pom.xml b/sentinel-adapter/sentinel-grpc-adapter/pom.xml
index cb2eb526..d486854c 100755
--- a/sentinel-adapter/sentinel-grpc-adapter/pom.xml
+++ b/sentinel-adapter/sentinel-grpc-adapter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-adapter</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sentinel-grpc-adapter</artifactId>
diff --git a/sentinel-adapter/sentinel-web-servlet/pom.xml b/sentinel-adapter/sentinel-web-servlet/pom.xml
index 100b41cf..cea50290 100755
--- a/sentinel-adapter/sentinel-web-servlet/pom.xml
+++ b/sentinel-adapter/sentinel-web-servlet/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-adapter</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sentinel-web-servlet</artifactId>
diff --git a/sentinel-benchmark/pom.xml b/sentinel-benchmark/pom.xml
index 7f8b658d..9d7e09ef 100644
--- a/sentinel-benchmark/pom.xml
+++ b/sentinel-benchmark/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-parent</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-core/pom.xml b/sentinel-core/pom.xml
index e5a3aab6..1bdea1c1 100755
--- a/sentinel-core/pom.xml
+++ b/sentinel-core/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-core</artifactId>
     <packaging>jar</packaging>
diff --git a/sentinel-core/src/main/java/com/alibaba/csp/sentinel/Constants.java b/sentinel-core/src/main/java/com/alibaba/csp/sentinel/Constants.java
index 7ea0c4e2..8e727dba 100755
--- a/sentinel-core/src/main/java/com/alibaba/csp/sentinel/Constants.java
+++ b/sentinel-core/src/main/java/com/alibaba/csp/sentinel/Constants.java
@@ -28,7 +28,7 @@ import com.alibaba.csp.sentinel.slots.system.SystemRule;
  */
 public final class Constants {
 
-    public static final String SENTINEL_VERSION = "0.2.0";
+    public static final String SENTINEL_VERSION = "0.2.1";
 
     public final static int MAX_CONTEXT_NAME_SIZE = 2000;
     public final static int MAX_SLOT_CHAIN_SIZE = 6000;
diff --git a/sentinel-dashboard/pom.xml b/sentinel-dashboard/pom.xml
index a6259d14..86c39386 100755
--- a/sentinel-dashboard/pom.xml
+++ b/sentinel-dashboard/pom.xml
@@ -6,11 +6,10 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sentinel-dashboard</artifactId>
-    <version>0.2.0</version>
     <packaging>jar</packaging>
 
     <properties>
diff --git a/sentinel-demo/pom.xml b/sentinel-demo/pom.xml
index 4fe2a20f..ef8fdd0a 100755
--- a/sentinel-demo/pom.xml
+++ b/sentinel-demo/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-demo</artifactId>
     <packaging>pom</packaging>
diff --git a/sentinel-demo/sentinel-demo-annotation-spring-aop/pom.xml b/sentinel-demo/sentinel-demo-annotation-spring-aop/pom.xml
index 15a7a943..7f1439d8 100644
--- a/sentinel-demo/sentinel-demo-annotation-spring-aop/pom.xml
+++ b/sentinel-demo/sentinel-demo-annotation-spring-aop/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-demo</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-apollo-datasource/pom.xml b/sentinel-demo/sentinel-demo-apollo-datasource/pom.xml
index 79eab5fd..547713f8 100644
--- a/sentinel-demo/sentinel-demo-apollo-datasource/pom.xml
+++ b/sentinel-demo/sentinel-demo-apollo-datasource/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>sentinel-demo</artifactId>
     <groupId>com.alibaba.csp</groupId>
-    <version>0.2.0</version>
+    <version>0.2.1-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-basic/pom.xml b/sentinel-demo/sentinel-demo-basic/pom.xml
index e67f0dbf..d35e776b 100755
--- a/sentinel-demo/sentinel-demo-basic/pom.xml
+++ b/sentinel-demo/sentinel-demo-basic/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-demo</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-demo-basic</artifactId>
 
diff --git a/sentinel-demo/sentinel-demo-dubbo/pom.xml b/sentinel-demo/sentinel-demo-dubbo/pom.xml
index f85067ae..6d80d2ba 100644
--- a/sentinel-demo/sentinel-demo-dubbo/pom.xml
+++ b/sentinel-demo/sentinel-demo-dubbo/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-demo</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-dynamic-file-rule/pom.xml b/sentinel-demo/sentinel-demo-dynamic-file-rule/pom.xml
index dbfc0719..a55ee804 100755
--- a/sentinel-demo/sentinel-demo-dynamic-file-rule/pom.xml
+++ b/sentinel-demo/sentinel-demo-dynamic-file-rule/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-demo</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-demo-dynamic-file-rule</artifactId>
 
diff --git a/sentinel-demo/sentinel-demo-nacos-datasource/pom.xml b/sentinel-demo/sentinel-demo-nacos-datasource/pom.xml
index a38c2fb4..50564a22 100644
--- a/sentinel-demo/sentinel-demo-nacos-datasource/pom.xml
+++ b/sentinel-demo/sentinel-demo-nacos-datasource/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-demo</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-parameter-flow-control/pom.xml b/sentinel-demo/sentinel-demo-parameter-flow-control/pom.xml
index f1b4443e..13519da9 100644
--- a/sentinel-demo/sentinel-demo-parameter-flow-control/pom.xml
+++ b/sentinel-demo/sentinel-demo-parameter-flow-control/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-demo</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-rocketmq/pom.xml b/sentinel-demo/sentinel-demo-rocketmq/pom.xml
index bab4a8f4..12a237fe 100755
--- a/sentinel-demo/sentinel-demo-rocketmq/pom.xml
+++ b/sentinel-demo/sentinel-demo-rocketmq/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-demo</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-demo/sentinel-demo-zookeeper-datasource/pom.xml b/sentinel-demo/sentinel-demo-zookeeper-datasource/pom.xml
index 92037a9d..4e613c38 100644
--- a/sentinel-demo/sentinel-demo-zookeeper-datasource/pom.xml
+++ b/sentinel-demo/sentinel-demo-zookeeper-datasource/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-demo</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/pom.xml b/sentinel-extension/pom.xml
index 994cfa14..5855c5ad 100755
--- a/sentinel-extension/pom.xml
+++ b/sentinel-extension/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-extension</artifactId>
     <packaging>pom</packaging>
diff --git a/sentinel-extension/sentinel-annotation-aspectj/pom.xml b/sentinel-extension/sentinel-annotation-aspectj/pom.xml
index dcf2f4f1..007f642f 100644
--- a/sentinel-extension/sentinel-annotation-aspectj/pom.xml
+++ b/sentinel-extension/sentinel-annotation-aspectj/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-extension</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/sentinel-datasource-apollo/pom.xml b/sentinel-extension/sentinel-datasource-apollo/pom.xml
index 5e1ede99..97c56eb0 100644
--- a/sentinel-extension/sentinel-datasource-apollo/pom.xml
+++ b/sentinel-extension/sentinel-datasource-apollo/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>sentinel-extension</artifactId>
     <groupId>com.alibaba.csp</groupId>
-    <version>0.2.0</version>
+    <version>0.2.1-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/sentinel-datasource-extension/pom.xml b/sentinel-extension/sentinel-datasource-extension/pom.xml
index 525638a7..d657d25a 100755
--- a/sentinel-extension/sentinel-datasource-extension/pom.xml
+++ b/sentinel-extension/sentinel-datasource-extension/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-extension</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sentinel-datasource-extension</artifactId>
diff --git a/sentinel-extension/sentinel-datasource-nacos/pom.xml b/sentinel-extension/sentinel-datasource-nacos/pom.xml
index 7b29e949..0a99e5d9 100644
--- a/sentinel-extension/sentinel-datasource-nacos/pom.xml
+++ b/sentinel-extension/sentinel-datasource-nacos/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-extension</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/sentinel-datasource-redis/pom.xml b/sentinel-extension/sentinel-datasource-redis/pom.xml
index 541c5a97..e598b639 100644
--- a/sentinel-extension/sentinel-datasource-redis/pom.xml
+++ b/sentinel-extension/sentinel-datasource-redis/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-extension</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/sentinel-datasource-zookeeper/pom.xml b/sentinel-extension/sentinel-datasource-zookeeper/pom.xml
index b8bebb32..2c94caba 100644
--- a/sentinel-extension/sentinel-datasource-zookeeper/pom.xml
+++ b/sentinel-extension/sentinel-datasource-zookeeper/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-extension</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-extension/sentinel-parameter-flow-control/pom.xml b/sentinel-extension/sentinel-parameter-flow-control/pom.xml
index 32db6464..1d558dfe 100644
--- a/sentinel-extension/sentinel-parameter-flow-control/pom.xml
+++ b/sentinel-extension/sentinel-parameter-flow-control/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-extension</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sentinel-transport/pom.xml b/sentinel-transport/pom.xml
index 1c8a2d6a..f8e721f1 100755
--- a/sentinel-transport/pom.xml
+++ b/sentinel-transport/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-parent</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>sentinel-transport</artifactId>
     <description>The transport module of Sentinel</description>
diff --git a/sentinel-transport/sentinel-transport-common/pom.xml b/sentinel-transport/sentinel-transport-common/pom.xml
index 6a636198..227b6d4f 100755
--- a/sentinel-transport/sentinel-transport-common/pom.xml
+++ b/sentinel-transport/sentinel-transport-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-transport</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/sentinel-transport/sentinel-transport-netty-http/pom.xml b/sentinel-transport/sentinel-transport-netty-http/pom.xml
index 0667ce62..bfb11e0b 100755
--- a/sentinel-transport/sentinel-transport-netty-http/pom.xml
+++ b/sentinel-transport/sentinel-transport-netty-http/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.alibaba.csp</groupId>
         <artifactId>sentinel-transport</artifactId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sentinel-transport-netty-http</artifactId>
diff --git a/sentinel-transport/sentinel-transport-simple-http/pom.xml b/sentinel-transport/sentinel-transport-simple-http/pom.xml
index e88354d5..bf500208 100755
--- a/sentinel-transport/sentinel-transport-simple-http/pom.xml
+++ b/sentinel-transport/sentinel-transport-simple-http/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sentinel-transport</artifactId>
         <groupId>com.alibaba.csp</groupId>
-        <version>0.2.0</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>