diff --git a/build.gradle b/build.gradle
index 559eca7..73eb331 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.0.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/library/build.gradle b/library/build.gradle
index 9d9c9a7..3469239 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -3,8 +3,10 @@ apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 apply plugin: 'kotlin-android'
 
+
 // This is the library version used when deploying the artifact.
-version = "1.1.1"
+version = "1.1.3"
+group = "com.sfyc.ctpv"
 
 android {
     compileSdkVersion 26
@@ -13,8 +15,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 26
-        versionCode 3
-        versionName "1.1.1"
+        versionCode 4
+        versionName "1.1.3"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
@@ -46,7 +48,7 @@ android {
 
 def siteUrl = 'https://github.com/sfyc23/CountTimeProgressView'      // 项目的主页
 def gitUrl = 'https://github.com/sfyc23/CountTimeProgressView.git'   // Git仓库的url
-group = "com.sfyc.ctpv"                                        // Maven Group ID for the artifact，一般填你唯一的包名
+                                       // Maven Group ID for the artifact，一般填你唯一的包名
 install {
     repositories.mavenInstaller {
         // This generates POM.xml with proper parameters