diff --git a/CHANGELOG.md b/CHANGELOG.md
index 568dda9..c580473 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 ## 0.2.0
-Add `getVpnState` and `getCharonState`.  
+Add `getVpnState` and `getCharonState` for Android.
 **Breaking Change**  
 Old `FlutterVpnState` has been renamed to `CharonVpnState`. This method is for Android only.  
 New `FlutterVpnState` is designed for both Android and iOS platform.
diff --git a/android/build.gradle b/android/build.gradle
index 0b3c898..9c02b4a 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -73,5 +73,5 @@ android {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.1.0-alpha03'
+    implementation 'androidx.appcompat:appcompat:1.0.0-beta01'
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 8871532..f7e6cd9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: Plugin for developers to access VPN service in their flutter app.
 version: 0.2.0
 authors:
   - Jason C.H <ctrysbita@outlook.com>
-  - Jerry <realflyingblu@gmail.com>
+  - Jerry Wang<realflyingblu@gmail.com>
 homepage: https://github.com/X-dea/Flutter_VPN
 
 environment: