diff --git a/sonic-android/README.md b/sonic-android/README.md
index 0bb3412..08e2fd4 100644
--- a/sonic-android/README.md
+++ b/sonic-android/README.md
@@ -8,7 +8,7 @@
 
 Add VasSonic gradle plugin as a dependency in your module's build.gradle
 ```gradle
-compile 'com.tencent.sonic:sdk:3.0.0-alpha'
+compile 'com.tencent.sonic:sdk:3.0.0-beta'
 ```
 
 ## Implement sonic interface:
diff --git a/sonic-android/gradle/wrapper/gradle-wrapper.properties b/sonic-android/gradle/wrapper/gradle-wrapper.properties
index 68b0e24..441d233 100644
--- a/sonic-android/gradle/wrapper/gradle-wrapper.properties
+++ b/sonic-android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-all.zip
diff --git a/sonic-android/sample/build.gradle b/sonic-android/sample/build.gradle
index 452a49e..7f879cf 100644
--- a/sonic-android/sample/build.gradle
+++ b/sonic-android/sample/build.gradle
@@ -26,7 +26,7 @@ dependencies {
     })
 
     // compile sdk from jcenter
-     compile 'com.tencent.sonic:sdk:3.0.0-alpha'
+    compile 'com.tencent.sonic:sdk:3.0.0-beta'
 
     // compile sonic-sdk from local path
 //     compile project(path: ':sdk')
diff --git a/sonic-android/sdk/build.gradle b/sonic-android/sdk/build.gradle
index 43ded2f..1d2fa1a 100644
--- a/sonic-android/sdk/build.gradle
+++ b/sonic-android/sdk/build.gradle
@@ -11,7 +11,7 @@ android {
         minSdkVersion 9
         targetSdkVersion 25
         versionCode 3
-        versionName "3.0.0-alpha"
+        versionName "3.0.0-beta"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
@@ -43,7 +43,7 @@ dependencies {
 
 
 // sdk info
-version = "3.0.0-alpha" // sdk version num
+version = "3.0.0-beta" // sdk version num
 group = "com.tencent.sonic" // maven group id for the artifact
 def SITE_URL = "https://github.com/Tencent/VasSonic" // web site url
 def GIT_URL = "https://github.com/Tencent/VasSonic.git" // git url
diff --git a/sonic-iOS/README.md b/sonic-iOS/README.md
index b03dee8..2e322c4 100644
--- a/sonic-iOS/README.md
+++ b/sonic-iOS/README.md
@@ -4,7 +4,7 @@
 [![wiki](https://img.shields.io/badge/Wiki-open-brightgreen.svg)](https://github.com/Tencent/VasSonic/wiki)
 ---
 
-### 3.0.0-alpha support!
+### 3.0.0-beta support!
 To integrate VasSonic into your Xcode project using CocoaPods, specify it in your Podfile:
 
 ```lua
@@ -12,7 +12,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
 target 'TargetName' do
-    pod 'VasSonic', '3.0.0-alpha'
+    pod 'VasSonic', '3.0.0-beta'
 end
 ```
 
@@ -24,7 +24,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
 target 'TargetName' do
-    pod 'VasSonic', '3.0.0-alpha'
+    pod 'VasSonic', '3.0.0-beta'
 end
 ```