diff --git a/.idea/misc.xml b/.idea/misc.xml
index aed2c982..98ec6f4d 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -24,7 +24,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (4)" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8 (4)" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/library/build.gradle b/library/build.gradle
index 6e76c5d7..5b13ff77 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -51,7 +51,7 @@ publish {
     userOrg = 'just'
     groupId = 'com.just.agentweb'
     artifactId = 'agentweb'
-    version = '3.1.0-beta'
+    version = '3.1.0'
     description = 'very easy to build you web page'
     website = "https://github.com/Justson/AgentWeb"
 
diff --git a/library/src/main/java/com/just/agentweb/WebDefaultSettingsManager.java b/library/src/main/java/com/just/agentweb/WebDefaultSettingsManager.java
index 92b3752f..d37320c9 100755
--- a/library/src/main/java/com/just/agentweb/WebDefaultSettingsManager.java
+++ b/library/src/main/java/com/just/agentweb/WebDefaultSettingsManager.java
@@ -20,7 +20,7 @@ public class WebDefaultSettingsManager implements AgentWebSettings, WebListenerM
     private static final String TAG = WebDefaultSettingsManager.class.getSimpleName();
     public static final String USERAGENT_UC=" UCBrowser/11.6.4.950 ";
     public static final String USERAGENT_QQ_BROWSER=" MQQBrowser/8.0 ";
-    public static final String USERAGENT_AGENTWEB=" agentweb/3.1.0-beta ";
+    public static final String USERAGENT_AGENTWEB=" agentweb/3.1.0 ";
 
     public static WebDefaultSettingsManager getInstance() {
         return new WebDefaultSettingsManager();
diff --git a/sample/build.gradle b/sample/build.gradle
index 54bb92c5..78fea194 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -52,8 +52,8 @@ dependencies {
     compile "com.android.support:design:${SUPPORT_LIB_VERSION}"
 //    compile "com.android.support:support-v4:${SUPPORT_LIB_VERSION}"
     testCompile 'junit:junit:4.12'
-    compile project(':library')
-//        compile 'com.just.agentweb:agentweb:3.1.0-alpha'
+//    compile project(':library')
+        compile 'com.just.agentweb:agentweb:3.1.0'
     debugCompile 'com.squareup.leakcanary:leakcanary-android:1.5.1'
     releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
     testCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'