diff --git a/core/.gitignore b/core/.gitignore
index 4c426b6..1f29feb 100644
--- a/core/.gitignore
+++ b/core/.gitignore
@@ -2,3 +2,4 @@
 core.iml
 /local.properties
 /project.properties
+/gradle.properties
\ No newline at end of file
diff --git a/core/build.gradle b/core/build.gradle
index 340caea..0be923d 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 2
-        versionName "0.1.2"
+        versionCode 3
+        versionName "0.1.3"
     }
     buildTypes {
         release {
diff --git a/core/gradle.properties b/core/gradle.properties
deleted file mode 100644
index ffdf8c0..0000000
--- a/core/gradle.properties
+++ /dev/null
@@ -1,15 +0,0 @@
-PROJ_GROUP=com.douban.rexxar
-PROJ_VERSION=0.1.2
-PROJ_NAME=rexxar-android
-PROJ_WEBSITEURL=https://github.com/douban/rexxar-android
-PROJ_ISSUETRACKERURL=https://github.com/douban/rexxar-android/issues
-PROJ_VCSURL=https://github.com/douban/rexxar-android.git
-PROJ_DESCRIPTION=rexxar-android
-PROJ_ARTIFACTID=core
-
-LICENSE_NAME='The Apache Software License, Version 2.0'
-LICENSE_URL='http://www.apache.org/licenses/LICENSE-2.0.txt'
-
-DEVELOPER_ID=Douban-Android
-DEVELOPER_NAME=Douban-Android
-DEVELOPER_EMAIL=android@douban.com
\ No newline at end of file
diff --git a/sample/build.gradle b/sample/build.gradle
index b580fc8..7ac0a88 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.douban.rexxar.example"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 2
-        versionName "0.1.2"
+        versionCode 3
+        versionName "0.1.3"
     }
 
     lintOptions {