diff --git a/.gitignore b/.gitignore
index 66824cd..2a82f03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ local.properties
 
 .idea/
 .git/
+app/build/
diff --git a/README.md b/README.md
index 86b7e12..41128bc 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 
 ## 开发环境
     jdk版本: 1.8  
-    Android API Platform: 29
+    Android API Platform: 30  
     Gradle版本: 6.7.1    
       
 ## 使用说明
diff --git a/app/build.gradle b/app/build.gradle
index 5184e8e..d0e23b3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,17 +3,53 @@ plugins {
 }
 
 android {
+    applicationVariants.all { variant ->
+        variant.outputs.all { output ->
+            def outputFile = output.outputFile
+            def fileName
+            if (outputFile != null && outputFile.name.endsWith('.apk')) {
+                if (variant.buildType.name.equals('release')) {//如果是release包
+                    fileName = "MIN_VPN_release_v${defaultConfig.versionName}.apk"
+                } else if (variant.buildType.name.equals('debug')) {//如果是debug包
+                    fileName = "MIN_VPN_debug_v${defaultConfig.versionName}.apk"
+                }
+                outputFileName = fileName
+            }
+        }
+    }
+
+    // APK导出时需要的身份签名（内含APP所属单位、APP版本号信息）
+    signingConfigs {
+        release {
+            keyAlias 'pkukey'
+            keyPassword 'pkusz111'
+            storeFile file('pkukey.jks')
+            storePassword 'pkusz111'
+        }
+    }
+
     compileSdkVersion 30
     buildToolsVersion "30.0.3"
 
+    sourceSets.main.jniLibs.srcDirs = ['libs']
+
     defaultConfig {
         applicationId "com.pkusz.min_vpn_client"
         minSdkVersion 24
         targetSdkVersion 30
-        versionCode 1
-        versionName "1.0"
+        versionCode 4
+        versionName "4.0.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        // 解决32位so库的调用问题。https://blog.csdn.net/li_dongcai/article/details/53612634
+        // https://www.jianshu.com/p/ad95c885c2f8?utm_campaign=maleskine&utm_content=note&utm_medium=seo_notes&utm_source=recommendation
+        ndk{
+            abiFilters "armeabi-v7a","x86"
+        }
+        packagingOptions {
+            exclude "lib/arm64-v8a/libsqlitejdbc.so"
+        }
     }
 
     buildTypes {
@@ -25,6 +61,12 @@ android {
     lintOptions {
         disable('AllowBackup', 'GoogleAppIndexingWarning', 'MissingApplicationIcon')
     }
+
+    // 编译所用jdk版本
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
@@ -33,4 +75,71 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
     compileOnly 'com.google.android.things:androidthings:1.0'
+
+    // 以下为旧版本VPN客户端的依赖库（去掉kotlin）
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+//    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.1'
+    implementation "androidx.appcompat:appcompat:$androidx_base_version"
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation "androidx.recyclerview:recyclerview:$androidx_base_version"
+    implementation "androidx.security:security-crypto:1.1.0-alpha03"
+
+    implementation "org.jetbrains.anko:anko-commons:$anko_version"
+
+    // 所有的模块都依赖于 quick_android_base （必选）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_base:$quick_android_version"
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_custom_view:$quick_android_version"
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_easy_bar:$quick_android_version"
+    // 引入quick_android_mvp模块，来使用网络请求和MVP架构（可选）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_mvp:$quick_android_version"
+    // 引入quick_android_rx_permission模块，来接入链式调用动态请求权限的功能（可选）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_rx_permission:$quick_android_version"
+    // 引入quick_android_qrcode模块，来接入扫码功能（可选）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_qrcode:$quick_android_version"
+    // 引入quick_android_image_picker模块，来接入图片选择，图片裁剪等功能（可选）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_image_picker:$quick_android_version"
+    // 引入文件选择功能（调用系统的文件管理器）
+    implementation "com.github.SunnyQjm.quickandroid:quick_android_file_picker:$quick_android_version"
+
+    // loading button
+    implementation 'br.com.simplepass:loading-button-android:2.2.0'
+
+    // AndroidUtilCode
+    implementation 'com.blankj:utilcodex:1.26.0'
+
+    // 加载动画
+    implementation 'com.github.ybq:Android-SpinKit:1.4.0'
+
+    // android-banner
+    implementation 'com.github.zhpanvip:BannerViewPager:2.6.1'
+
+    // EventBus
+    implementation 'org.greenrobot:eventbus:3.1.1'
+
+    // SmartRefreshLayout
+    implementation "com.scwang.smartrefresh:SmartRefreshLayout:$smart_refresh_layout_version"
+    implementation "com.scwang.smartrefresh:SmartRefreshHeader:$smart_refresh_layout_version"
+
+
+    // brvah
+    implementation 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.9.49-androidx'
+
+    implementation 'com.google.android.material:material:1.3.0-alpha01'
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    implementation 'com.github.bumptech.glide:glide:4.7.1'
+    //implementation 'me.dm7.barcodescanner:zxing:1.9.13'
+    implementation 'cn.bingoogolapple:bga-qrcode-zxing:1.3.7'
+    //implementation 'com.wei.android.lib:fingerprintidentify:1.2.6'
+    implementation 'co.infinum:goldfinger:2.0.1'
+
+    //验证码空间
+    implementation 'com.justkiddingbaby:vercodeedittext:1.1.0'
+
+    //倒计时按钮
+    implementation 'com.white.countdownbutton:countdownbtn:1.0.4'
 }
\ No newline at end of file
diff --git a/app/libs/min-dev-java-1.0-release.jar b/app/libs/min-dev-java-1.0-release.jar
new file mode 100644
index 0000000..0f8e83f
Binary files /dev/null and b/app/libs/min-dev-java-1.0-release.jar differ
diff --git a/app/pkukey.jks b/app/pkukey.jks
new file mode 100644
index 0000000..04ad70c
Binary files /dev/null and b/app/pkukey.jks differ
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb43..2d5c340 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,335 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+
+
+# 以下是旧版VPN的本配置文件内容
+#---------------------------------基本指令区-----------------------
+
+-optimizationpasses 5  #指定代码的压缩级别
+-dontpreverify  #预校验
+-verbose  #指定日志级别
+-dontskipnonpubliclibraryclassmembers
+-dontusemixedcaseclassnames  #包名不混合大小写
+-ignorewarnings  #忽略警告
+-printmapping proguardMapping.txt  #生成原类名和混淆后的类名的映射文件
+-optimizations !code/simplification/cast,!field/*,!class/merging/*  #混淆时所采用的算法
+-keepattributes *Annotation*,InnerClasses
+-keepattributes Signature
+-keepattributes SourceFile,LineNumberTable
+
+
+#---------------------------------默认保留区------------------------
+
+#四大组件、View体系等
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Fragment
+-keep public class * extends android.support.multidex.MultiDexApplication
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.preference.Preference
+-keep public class * extends android.view.View
+-keep class android.support.** {*;}
+-keep public class * extends android.support.v4.**
+
+-keep public class * extends android.view.View{
+    *** get*();
+    void set*(***);
+    public <init>(android.content.Context);
+    public <init>(android.content.Context, android.util.AttributeSet);
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers public class * extends android.view.View {
+   void set*(***);
+   *** get*();
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers class * extends android.app.Activity {
+   public void *(android.view.View);
+}
+
+#Serializable
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    private static final java.io.ObjectStreamField[] serialPersistentFields;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+-keep class **.R$* {
+ *;
+}
+
+-keepclassmembers class * {
+    void *(*Event);
+}
+
+#enum
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclassmembers class * {
+   public <init> (org.json.JSONObject);
+}
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+#Parcelable
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}
+
+#webview
+-keepclassmembers class fqcn.of.javascript.interface.for.Webview {
+   public *;
+}
+-keepclassmembers class * extends android.webkit.WebViewClient {
+    public void *(android.webkit.WebView, java.lang.String, android.graphics.Bitmap);
+    public boolean *(android.webkit.WebView, java.lang.String);
+}
+-keepclassmembers class * extends android.webkit.WebViewClient {
+    public void *(android.webkit.WebView, jav.lang.String);
+}
+
+
+#----------------------------------Kotlin--------------------------------------
+
+   #kotlin
+-keep class kotlin.** { *; }
+-keep class kotlin.Metadata { *; }
+-dontwarn kotlin.**
+-keepclassmembers class **$WhenMappings {
+    <fields>;
+}
+-keepclassmembers class kotlin.Metadata {
+    public <methods>;
+}
+-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
+    static void checkParameterIsNotNull(java.lang.Object, java.lang.String);
+}
+-keep class kotlinx.coroutines.android.** {*;}
+# ServiceLoader support
+-keepnames class kotlinx.coroutines.internal.MainDispatcherFactory {}
+-keepnames class kotlinx.coroutines.CoroutineExceptionHandler {}
+-keepnames class kotlinx.coroutines.android.AndroidExceptionPreHandler {}
+-keepnames class kotlinx.coroutines.android.AndroidDispatcherFactory {}
+
+# Most of volatile fields are updated with AFU and should not be mangled
+-keepclassmembernames class kotlinx.** {
+    volatile <fields>;
+}
+
+
+
+#---------------------------------Support Vx ---------------------------------
+
+# support-v4
+-dontwarn android.support.v4.**
+-keep class android.support.v4.app.** { *; }
+-keep interface android.support.v4.app.** { *; }
+-keep class android.support.v4.** { *; }
+-keep class android.support.v4.** {
+    <fields>;
+    <methods>;
+}
+-keep interface  android.support.v4.app.** {
+    <fields>;
+    <methods>;
+}
+
+# support-v7
+-dontwarn android.support.v7.**
+-keep class android.support.v7.internal.** { *; }
+-keep interface android.support.v7.internal.** { *; }
+-keep class android.support.v7.** { *; }
+
+# support design
+-dontwarn android.support.design.**
+-keep class android.support.design.** { *; }
+-keep interface android.support.design.** { *; }
+-keep public class android.support.design.R$* { *; }
+
+
+
+#---------------------------------androidx-------------------------
+-keep class com.google.android.material.** {*;}
+
+-keep class androidx.** {*;}
+
+-keep public class * extends androidx.**
+
+-keep interface androidx.** {*;}
+
+-dontwarn com.google.android.material.**
+
+-dontnote com.google.android.material.**
+
+-dontwarn androidx.**
+
+
+#---------------------------------model and scan and util-------------------------
+-keep class cn.qjm253.min_vpn.model.error.** {*;}
+-keep public class * extends cn.qjm253.min_vpn.model.error.**
+-keep interface cn.qjm253.min_vpn.model.error.** {*;}
+
+-keep class cn.qjm253.min_vpn.model.event.** {*;}
+-keep public class * extends cn.qjm253.min_vpn.model.event.**
+-keep interface cn.qjm253.min_vpn.model.event.** {*;}
+
+-keep class cn.qjm253.min_vpn.model.request.** {*;}
+-keep public class * extends cn.qjm253.min_vpn.model.request.**
+-keep interface cn.qjm253.min_vpn.model.request.** {*;}
+
+-keep class cn.qjm253.min_vpn.model.response.** {*;}
+-keep public class * extends cn.qjm253.min_vpn.model.response.**
+-keep interface cn.qjm253.min_vpn.model.response.** {*;}
+
+-keep class cn.qjm253.min_vpn.model.info.** {*;}
+-keep public class * extends cn.qjm253.min_vpn.model.info.**
+-keep interface cn.qjm253.min_vpn.model.info.** {*;}
+
+#-keep class cn.qjm253.min_vpn.model.** {*;}
+#
+#-keep public class * extends cn.qjm253.min_vpn.model.**
+#
+#-keep interface cn.qjm253.min_vpn.model.** {*;}
+
+#-keep class cn.qjm253.min_vpn.scan.** {*;}
+#
+#-keep public class * extends cn.qjm253.min_vpn.scan.**
+#
+#-keep interface cn.qjm253.min_vpn.scan.** {*;}
+
+#-keep class cn.qjm253.min_vpn.utils.** {*;}
+#
+#-keep public class * extends cn.qjm253.min_vpn.utils.**
+#
+#-keep interface cn.qjm253.min_vpn.utils.** {*;}
+#-keepattributes Exceptions,InnerClasses,...
+#-keep public class cn.qjm253.min_vpn.utils.SafetyInfoUtil { *; }
+#-keep public class cn.qjm253.min_vpn.utils.SafetyInfoUtil$* { *; }
+
+#-keepnames public class cn.qjm253.min_vpn.utils.SafetyInfoUtil, cn.qjm253.min_vpn.utils.SafetyInfoUtil$* {
+#    public <fields>;
+#    public <methods>;
+#}
+
+#---------------------------------第三方包-------------------------
+
+#okhttp3.x
+-dontwarn com.squareup.okhttp3.**
+-keep class com.squareup.okhttp3.** { *;}
+-dontwarn okio.**
+-dontwarn com.squareup.okhttp.**
+-keep class com.squareup.okhttp.{*;}
+-dontwarn javax.annotation.**
+-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
+-dontwarn org.codehaus.mojo.animal_sniffer.*
+-dontwarn okhttp3.internal.platform.ConscryptPlatform
+
+#retrofit
+-dontwarn retrofit.**
+-keep class retrofit.** { *; }
+-keepattributes Signature
+-keepattributes Exceptions
+-dontwarn okio.**
+
+#Rxjava RxAndroid
+-dontwarn rx.*
+-dontwarn sun.misc.**
+
+#Glide
+-keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
+  **[] $VALUES;
+  public *;
+}
+
+#Gson
+-keep class com.google.gson.** {*;}
+-keep class com.google.**{*;}
+-keep class sun.misc.Unsafe { *; }
+-keep class com.google.gson.stream.** { *; }
+-keep class com.google.gson.examples.android.model.** { *; }
+
+#Lambda表达式
+-keep class java.lang.invoke.** {*;}
+-dontwarn java.lang.invoke.**
+
+
+#eventbus 3.0
+-keepattributes *Annotation*
+-keepclassmembers class ** {
+    @org.greenrobot.eventbus.Subscribe <methods>;
+}
+-keep enum org.greenrobot.eventbus.ThreadMode { *; }
+-keepclassmembers class * extends org.greenrobot.eventbus.util.ThrowableFailureEvent {
+    <init>(java.lang.Throwable);
+}
+
+#jackson
+-keep @com.fasterxml.jackson.annotation.JsonIgnoreProperties class * { *; }
+-keep @com.fasterxml.jackson.annotation.JsonCreator class * { *; }
+-keep @com.fasterxml.jackson.annotation.JsonValue class * { *; }
+-keep class sun.misc.Unsafe { *; }
+-keepattributes *Annotation*,EnclosingMethod,Signature
+-keepnames class com.fasterxml.jackson.** { *; }
+-dontwarn com.fasterxml.jackson.databind.**
+-keep class org.codehaus.** { *; }
+-keepclassmembers public final enum org.codehaus.jackson.annotate.JsonAutoDetect$Visibility {
+    public static final org.codehaus.jackson.annotate.JsonAutoDetect$Visibility *; }
+
+#百度地图
+-keep class com.baidu.** { *; }
+
+#虹软
+-keep class com.arcsoft.face.** { *; }
+
+#Jndn
+-keep class net.named_data.jndn.** { *; }
+
+#commons-codec
+-keep class edu.pku.commons.codec.** { *; }
+
+#nucypher-crypto-oss-master and bouncycastle
+-keep class com.nucypher.crypto.** { *; }
+-keep class org.bouncycastle.** { *; }
+
+#xUtils
+-keep class com.lidroid.xutils.** { *; }
+
+#junit
+-keep class org.junit.** { *; }
+-dontwarn org.junit.**
+
+-keep class junit.** { *; }
+-dontwarn junit.**
+
+#goldFinger
+-keep class co.infinum.goldfinger.** { *; }
+
+#gmHelper
+-keep class org.zz.gmhelper.** {* ;}
+
+
+#logback
+-keep class ch.qos.logback.** {* ;}
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 9ade2a7..b705c87 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,17 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext.quick_android_version = 'v0.1.9'
+    ext.anko_version = '0.10.8'
+    ext.smart_refresh_layout_version = '1.1.0'
+    ext.androidx_base_version = '1.1.0'
+    ext.room_version = "2.2.3"
     repositories {
+        maven { url 'http://maven.aliyun.com/nexus/content/repositories/jcenter'}
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public'}
+        maven { url 'https://jitpack.io' }
         google()
-        mavenCentral()
+//        jcenter()
+//        mavenCentral()
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.2.1"
@@ -14,9 +23,12 @@ buildscript {
 
 allprojects {
     repositories {
+        maven { url 'http://maven.aliyun.com/nexus/content/repositories/jcenter'}
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public'}
+        maven { url 'https://jitpack.io' }
         google()
-        mavenCentral()
-        jcenter() // Warning: this repository is going to shut down soon
+//        mavenCentral()
+//        jcenter() // Warning: this repository is going to shut down soon
     }
 }