diff --git a/source/src/main/groovy/com/kezong/fataar/FatLibraryPlugin.groovy b/source/src/main/groovy/com/kezong/fataar/FatLibraryPlugin.groovy
index 88511704..747880dc 100644
--- a/source/src/main/groovy/com/kezong/fataar/FatLibraryPlugin.groovy
+++ b/source/src/main/groovy/com/kezong/fataar/FatLibraryPlugin.groovy
@@ -21,6 +21,7 @@ class FatLibraryPlugin implements Plugin<Project> {
     public static final String ARTIFACT_TYPE_JAR = 'jar'
 
     private Project project
+
     private Configuration embedConf
 
     private Set<ResolvedArtifact> artifacts
diff --git a/source/src/main/groovy/com/kezong/fataar/VariantProcessor.groovy b/source/src/main/groovy/com/kezong/fataar/VariantProcessor.groovy
index abf95d7f..6c549064 100644
--- a/source/src/main/groovy/com/kezong/fataar/VariantProcessor.groovy
+++ b/source/src/main/groovy/com/kezong/fataar/VariantProcessor.groovy
@@ -135,22 +135,8 @@ class VariantProcessor {
 
     /**
      * merge manifest
-     *
-     * TODO process each variant.getOutputs()
-     * TODO "InvokeManifestMerger" deserve more android plugin version check
-     * TODO add setMergeReportFile
-     * TODO a better temp manifest file location
      */
     private void processManifest() {
-        Class invokeManifestTaskClazz = null
-        String className = 'com.android.build.gradle.tasks.InvokeManifestMerger'
-        try {
-            invokeManifestTaskClazz = Class.forName(className)
-        } catch (ClassNotFoundException ignored) {
-        }
-        if (invokeManifestTaskClazz == null) {
-            throw new RuntimeException("Can not find class ${className}!")
-        }
         Task processManifestTask = getProcessManifest()
         File manifestOutputBackup
         if (mGradlePluginVersion != null && Utils.compareVersion(mGradlePluginVersion, "3.3.0") >= 0) {
@@ -158,8 +144,9 @@ class VariantProcessor {
         } else {
             manifestOutputBackup = mProject.file(processManifestTask.getManifestOutputDirectory().absolutePath + '/AndroidManifest.xml')
         }
-
-        InvokeManifestMerger manifestsMergeTask = mProject.tasks.create('merge' + mVariant.name.capitalize() + 'Manifest', invokeManifestTaskClazz)
+        InvokeManifestMerger manifestsMergeTask = mProject.tasks.create("merge${mVariant.name.capitalize()}Manifest", LibraryManifestMerger.class)
+        manifestsMergeTask.setGradleVersion(mProject.getGradle().getGradleVersion())
+        manifestsMergeTask.setGradlePluginVersion(mGradlePluginVersion)
         manifestsMergeTask.setVariantName(mVariant.name)
         manifestsMergeTask.setMainManifestFile(manifestOutputBackup)
         List<File> list = new ArrayList<>()
diff --git a/source/src/main/java/com/kezong/fataar/AndroidArchiveLibrary.java b/source/src/main/java/com/kezong/fataar/AndroidArchiveLibrary.java
index 92558329..5d1d688a 100644
--- a/source/src/main/java/com/kezong/fataar/AndroidArchiveLibrary.java
+++ b/source/src/main/java/com/kezong/fataar/AndroidArchiveLibrary.java
@@ -7,7 +7,6 @@
 import org.w3c.dom.Element;
 
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
diff --git a/source/src/main/java/com/kezong/fataar/LibraryManifestMerger.java b/source/src/main/java/com/kezong/fataar/LibraryManifestMerger.java
new file mode 100644
index 00000000..6a0eed65
--- /dev/null
+++ b/source/src/main/java/com/kezong/fataar/LibraryManifestMerger.java
@@ -0,0 +1,78 @@
+package com.kezong.fataar;
+
+import com.android.build.gradle.internal.LoggerWrapper;
+import com.android.build.gradle.tasks.InvokeManifestMerger;
+import com.android.manifmerger.ManifestMerger2;
+import com.android.manifmerger.ManifestProvider;
+import com.android.manifmerger.MergingReport;
+import com.android.utils.ILogger;
+
+import org.apache.tools.ant.BuildException;
+import org.gradle.api.tasks.TaskAction;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * ManifestMerger for Library
+ * @author yangchao on 2019/7/8.
+ */
+public class LibraryManifestMerger extends InvokeManifestMerger {
+
+    private String mGradlePluginVersion;
+
+    private String mGradleVersion;
+
+    public void setGradlePluginVersion(String gradlePluginVersion) {
+        mGradlePluginVersion = gradlePluginVersion;
+    }
+
+    public void setGradleVersion(String gradleVersion) {
+        mGradleVersion = gradleVersion;
+    }
+
+    @TaskAction
+    protected void doFullTaskAction() throws ManifestMerger2.MergeFailureException, IOException {
+        try {
+            ILogger iLogger = new LoggerWrapper(getLogger());
+            ManifestMerger2.Invoker mergerInvoker = ManifestMerger2.
+                    newMerger(getMainManifestFile(), iLogger, ManifestMerger2.MergeType.LIBRARY);
+            List<File> secondaryManifestFiles = getSecondaryManifestFiles();
+            List<ManifestProvider> manifestProviders = new ArrayList<>();
+            for (final File file : secondaryManifestFiles) {
+                manifestProviders.add(new ManifestProvider() {
+                    @Override
+                    public File getManifest() {
+                        return file.getAbsoluteFile();
+                    }
+
+                    @Override
+                    public String getName() {
+                        return file.getName();
+                    }
+                });
+            }
+            mergerInvoker.addManifestProviders(manifestProviders);
+            MergingReport mergingReport = mergerInvoker.merge();
+            if (mergingReport.getResult().isError()) {
+                getLogger().error(mergingReport.getReportString());
+                mergingReport.log(iLogger);
+                throw new BuildException(mergingReport.getReportString());
+            }
+            try (FileWriter fileWriter = new FileWriter(getOutputFile())) {
+                fileWriter.append(mergingReport
+                        .getMergedDocument(MergingReport.MergedManifestKind.MERGED));
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.out.println("Gradle Plugin Version:" + mGradlePluginVersion);
+            System.out.println("Gradle Version:" + mGradleVersion);
+            System.out.println("If you see this error message, please submit issue to " +
+                    "https://github.com/kezong/fat-aar-android/issues with Gradle version. Thank you.");
+            super.doFullTaskAction();
+        }
+    }
+}