diff --git a/pom.xml b/pom.xml
index a0c9993f..0ff8ba20 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,11 +8,11 @@
         <version>7</version>
     </parent>
     <groupId>us.codecraft</groupId>
-    <version>0.2.1</version>
+    <version>0.2.1-SNAPSHOT</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <artifactId>webmagic-parent</artifactId>
-    <name>webmagic</name>
+    <name>webmagic-parent</name>
     <description>
         A crawler framework. It covers the whole lifecycle of crawler: downloading, url management, content
         extraction and persistent. It can simply the development of a specific crawler.
diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml
index 28d55079..c8d1e73b 100644
--- a/webmagic-core/pom.xml
+++ b/webmagic-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.2.1</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml
index 37322f64..8a5059da 100644
--- a/webmagic-extension/pom.xml
+++ b/webmagic-extension/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.2.1</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>