diff --git a/HookProguard/ProguardConfigurationResolver/build.gradle b/HookProguard/ProguardConfigurationResolver/build.gradle
index 14c1800..7096b10 100644
--- a/HookProguard/ProguardConfigurationResolver/build.gradle
+++ b/HookProguard/ProguardConfigurationResolver/build.gradle
@@ -2,6 +2,10 @@ apply plugin: 'java'
 group "$upload_group"
 version "$upload_version"
 apply from: rootProject.file('gradle/publish.gradle')
+
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
 dependencies {
     compileOnly gradleApi()
 }
\ No newline at end of file
diff --git a/HookProguard/ProguardConfigurationResolver/task/build.gradle b/HookProguard/ProguardConfigurationResolver/task/build.gradle
index 2a4fc3b..b65be51 100644
--- a/HookProguard/ProguardConfigurationResolver/task/build.gradle
+++ b/HookProguard/ProguardConfigurationResolver/task/build.gradle
@@ -2,6 +2,9 @@ apply plugin: 'java'
 group "$upload_group"
 version "$upload_version"
 
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
 dependencies {
     compileOnly gradleApi()
     compileOnly "com.android.tools.build:gradle:3.6.2"
diff --git a/HookProguard/ProguardConfigurationResolver/task/src/main/java/com/ss/android/ugc/bytex/proguardconfigurationresolver/task/ProguardConfigurableTaskResolver.java b/HookProguard/ProguardConfigurationResolver/task/src/main/java/com/ss/android/ugc/bytex/proguardconfigurationresolver/task/ProguardConfigurableTaskResolver.java
index c4e4dc4..ac3a110 100644
--- a/HookProguard/ProguardConfigurationResolver/task/src/main/java/com/ss/android/ugc/bytex/proguardconfigurationresolver/task/ProguardConfigurableTaskResolver.java
+++ b/HookProguard/ProguardConfigurationResolver/task/src/main/java/com/ss/android/ugc/bytex/proguardconfigurationresolver/task/ProguardConfigurableTaskResolver.java
@@ -1,8 +1,6 @@
 package com.ss.android.ugc.bytex.proguardconfigurationresolver.task;
 
 import com.android.build.gradle.internal.tasks.ProguardConfigurableTask;
-import com.android.build.gradle.internal.tasks.ProguardTask;
-import com.android.build.gradle.internal.tasks.R8Task;
 import com.ss.android.ugc.bytex.proguardconfigurationresolver.ProguardConfigurationResolver;
 
 import org.gradle.api.Project;
@@ -21,7 +19,7 @@ public ProguardConfigurableTaskResolver(Project project, String variantName) {
     @Override
     public Task getTask() {
         for (Task task : project.getTasks()) {
-            if ((task instanceof ProguardTask || task instanceof R8Task) &&
+            if (task instanceof ProguardConfigurableTask &&
                     ((ProguardConfigurableTask) task).getVariantName().equals(variantName)) {
                 return task;
             }
diff --git a/HookProguard/ProguardConfigurationResolver/transform/build.gradle b/HookProguard/ProguardConfigurationResolver/transform/build.gradle
index 4ccc138..f2ac376 100644
--- a/HookProguard/ProguardConfigurationResolver/transform/build.gradle
+++ b/HookProguard/ProguardConfigurationResolver/transform/build.gradle
@@ -2,6 +2,9 @@ apply plugin: 'java'
 group "$upload_group"
 version "$upload_version"
 
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
 dependencies {
     compileOnly gradleApi()
     compileOnly "com.android.tools.build:gradle:3.5.3"
diff --git a/HookProguard/build.gradle b/HookProguard/build.gradle
index dae27ae..8f69281 100644
--- a/HookProguard/build.gradle
+++ b/HookProguard/build.gradle
@@ -1,5 +1,11 @@
 apply from: rootProject.file('gradle/plugin.gradle')
+
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
 dependencies {
+    implementation "net.sf.proguard:proguard-gradle:6.0.3"
+
     implementation project(':ProguardConfigurationResolver')
     implementation project(':ProguardConfigurationResolver-task')
     implementation project(':ProguardConfigurationResolver-transform')
diff --git a/TransformEngine/build.gradle b/TransformEngine/build.gradle
index 520603d..2da331b 100644
--- a/TransformEngine/build.gradle
+++ b/TransformEngine/build.gradle
@@ -1,5 +1,9 @@
 apply plugin: 'java-library'
 apply plugin: 'kotlin'
+
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     compileOnly gradleApi()
diff --git a/example/build.gradle b/example/build.gradle
index 9586847..b76abc2 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -94,6 +94,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:multidex:1.0.3' //fix r8 nullpointer
     implementation 'com.android.support:appcompat-v7:28.0.0'
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     implementation "com.google.code.gson:gson:2.8.2"
diff --git a/example/plugin-bytex.gradle b/example/plugin-bytex.gradle
index 81f3cb7..6b1dcba 100644
--- a/example/plugin-bytex.gradle
+++ b/example/plugin-bytex.gradle
@@ -148,14 +148,15 @@ shrinkR {
     }
 }
 
-if (enableMinify) {
-    apply plugin: 'bytex.getter_setter_inline'
-    getter_setter_inline {
-        enable pluginEnable
-        enableInDebug pluginEnableInDebug
-        logLevel pluginLogLevel
-    }
-}
+// org.gradle.internal.work.NoAvailableWorkerLeaseException:: No worker lease associated with the current thread
+//if (enableMinify) {
+//    apply plugin: 'bytex.getter_setter_inline'
+//    getter_setter_inline {
+//        enable pluginEnable
+//        enableInDebug pluginEnableInDebug
+//        logLevel pluginLogLevel
+//    }
+//}
 
 apply plugin: 'bytex.closeable_checker'
 closeable_checker {
diff --git a/gradle.properties b/gradle.properties
index 8605722..b7323ce 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -24,4 +24,4 @@ org.gradle.caching.debug=true
 bytex.enableHtmlLog=true
 android.useAndroidX=false
 android.enableJetifier=false
-bytex.forbidUseLenientMutationDuringGetArtifact=true
\ No newline at end of file
+#bytex.forbidUseLenientMutationDuringGetArtifact=true
\ No newline at end of file
diff --git a/gradle/ext.gradle b/gradle/ext.gradle
index f9f9273..797d5b6 100644
--- a/gradle/ext.gradle
+++ b/gradle/ext.gradle
@@ -39,7 +39,7 @@ ext {
     asm_version = '9.2'
     guava_version = '23.0'
     ByteX_Version = upload_version
-    gradle_compat_version = "1.1.0.2"
+    gradle_compat_version = "1.1.1.3"
     bintray_key = BINTRAY_KEY
 }
 println("upload2Maven:$upload2Maven")