diff --git a/.drone.yml b/.drone.yml
index 9333f4e..77c8674 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -91,9 +91,10 @@ steps:
   volumes:
   - name: pub-cache
     path: /opt/flutter/.pub-cache
+  environment:
+    PUB_CACHE: /opt/flutter/.pub-cache
   commands:
-  - FLUTTER_HOME=/opt/flutter/.pub-cache
-  - wget -P $FLUTTER_HOME https://raw.githubusercontent.com/v7lin/pub_credentials/master/credentials.json.enc
+  - wget -P $PUB_CACHE https://raw.githubusercontent.com/v7lin/pub_credentials/master/credentials.json.enc
 
 - name: restore-cache-openssl
   image: v7lin/openssl:1.1.1b
@@ -101,14 +102,14 @@ steps:
   - name: pub-cache
     path: /opt/flutter/.pub-cache
   environment:
+    PUB_CACHE: /opt/flutter/.pub-cache
     ENC_METHOD:
       from_secret: ENC_METHOD
     ENC_PASSWORD:
       from_secret: ENC_PASSWORD
   commands:
-  - FLUTTER_HOME=/opt/flutter/.pub-cache
-  - openssl enc -d -$ENC_METHOD -k $ENC_PASSWORD -in $FLUTTER_HOME/credentials.json.enc -out $FLUTTER_HOME/credentials.json
-  - rm $FLUTTER_HOME/credentials.json.enc
+  - openssl enc -d -$ENC_METHOD -k $ENC_PASSWORD -in $PUB_CACHE/credentials.json.enc -out $PUB_CACHE/credentials.json
+  - rm $PUB_CACHE/credentials.json.enc
 
 - name: publish
   image: v7lin/flutter:1.7.8-hotfix.3-stable
@@ -124,14 +125,14 @@ steps:
   - name: pub-cache
     path: /opt/flutter/.pub-cache
   environment:
+    PUB_CACHE: /opt/flutter/.pub-cache
     ENC_METHOD:
       from_secret: ENC_METHOD
     ENC_PASSWORD:
       from_secret: ENC_PASSWORD
   commands:
-  - FLUTTER_HOME=/opt/flutter/.pub-cache
-  - openssl enc -e -$ENC_METHOD -k $ENC_PASSWORD -in $FLUTTER_HOME/credentials.json -out $FLUTTER_HOME/credentials.json.enc
-  - rm /opt/flutter/.pub-cache/credentials.json
+  - openssl enc -e -$ENC_METHOD -k $ENC_PASSWORD -in $PUB_CACHE/credentials.json -out $PUB_CACHE/credentials.json.enc
+  - rm $PUB_CACHE/credentials.json
 
 - name: save-cache
   image: docker:git
@@ -139,6 +140,7 @@ steps:
   - name: pub-cache
     path: /opt/flutter/.pub-cache
   environment:
+    PUB_CACHE: /opt/flutter/.pub-cache
     GIT_USER_EMAIL:
       from_secret: GIT_USER_EMAIL
     GIT_USER_NAME:
@@ -146,14 +148,13 @@ steps:
     GIT_USER_PASSWORD:
       from_secret: GIT_USER_PASSWORD # 密码含'@'，用'%40'替换 -> URLEncoder.encode("@","utf-8");
   commands:
-  - FLUTTER_HOME=/opt/flutter/.pub-cache
   - git config --global user.email $GIT_USER_EMAIL
   - git config --global user.name $GIT_USER_NAME
   - git config --global credential.helper store
-  - git clone -b master https://$GIT_USER_NAME:$GIT_USER_PASSWORD@github.com/v7lin/pub_credentials.git $FLUTTER_HOME/pub_credentials
-  - rm $FLUTTER_HOME/pub_credentials/credentials.json.enc
-  - mv $FLUTTER_HOME/credentials.json.enc $FLUTTER_HOME/pub_credentials/credentials.json.enc
-  - cd $FLUTTER_HOME/pub_credentials
+  - git clone -b master https://$GIT_USER_NAME:$GIT_USER_PASSWORD@github.com/v7lin/pub_credentials.git $PUB_CACHE/pub_credentials
+  - rm $PUB_CACHE/pub_credentials/credentials.json.enc
+  - mv $PUB_CACHE/credentials.json.enc $PUB_CACHE/pub_credentials/credentials.json.enc
+  - cd $PUB_CACHE/pub_credentials
   - git commit -am "update credentials by ci/cd tools"
   - git push
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 632b73a..be81da4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.2.3 - 2019.8.1
+
+* 升级Android SDK
+
 ## 0.2.2 - 2019.7.12
 
 * 简化
diff --git a/android/build.gradle b/android/build.gradle
index b90aa9c..684e428 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -31,15 +31,18 @@ android {
 
     defaultConfig {
         minSdkVersion 16
+
+        // library 混淆 -> 随 library 引用，自动添加到 apk 打包混淆
+        consumerProguardFiles 'consumer-proguard-rules.txt'
+
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
+
     lintOptions {
         disable 'InvalidPackage'
     }
 }
 
 dependencies {
-    implementation fileTree(include: ['*.jar'], dir: 'libs')
-
-    implementation 'io.github.v7lin:weibo-android:4.3.4'
+    implementation 'com.sina.weibo.sdk:core:4.4.2:openDefaultRelease@aar'
 }
diff --git a/android/consumer-proguard-rules.txt b/android/consumer-proguard-rules.txt
new file mode 100644
index 0000000..0b52d31
--- /dev/null
+++ b/android/consumer-proguard-rules.txt
@@ -0,0 +1 @@
+# 微博
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 2f2abfe..9b39cbd 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,3 +1,11 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="io.github.v7lin.fakeweibo">
+    package="io.github.v7lin.fakeweibo">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <!-- 用于调用 JNI -->
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
 </manifest>
diff --git a/pubspec.yaml b/pubspec.yaml
index 106dd85..8a80fae 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: fake_weibo
 description: A powerful weibo plugin for Flutter.
-version: 0.2.2
+version: 0.2.3
 author: v7lin <v7lin@qq.com>
 homepage: https://github.com/v7lin/fake_weibo
 
@@ -11,9 +11,9 @@ dependencies:
   flutter:
     sdk: flutter
 
-  meta: '>=1.1.6 <2.0.0'
+  meta: ^1.1.6
 
-  jaguar_serializer: '>=2.2.12 <3.0.0'
+  jaguar_serializer: ^2.2.12
 
 dev_dependencies:
   flutter_test: