diff --git a/android/build.gradle b/android/build.gradle
index 89118c4..ecba7a8 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -22,6 +22,7 @@ android {
 
     defaultConfig {
         minSdkVersion 16
+        ndk{abiFilters "armeabi-v7a"}
     }
     lintOptions {
         disable 'InvalidPackage'
diff --git a/android/src/main/java/com/webview/filereader/FlutterFileReaderPlugin.java b/android/src/main/java/com/webview/filereader/FlutterFileReaderPlugin.java
index 74d776f..555827f 100644
--- a/android/src/main/java/com/webview/filereader/FlutterFileReaderPlugin.java
+++ b/android/src/main/java/com/webview/filereader/FlutterFileReaderPlugin.java
@@ -11,24 +11,30 @@
 import com.tencent.smtt.sdk.QbSdk;
 import com.tencent.smtt.sdk.TbsListener;
 import com.tencent.smtt.sdk.ValueCallback;
-import com.tencent.smtt.sdk.WebView;
 
 import java.util.HashMap;
 
+import io.flutter.embedding.engine.plugins.activity.ActivityAware;
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
-import io.flutter.plugin.common.PluginRegistry.Registrar;
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+
 
 /**
  * FlutterX5Plugin
  */
-public class FlutterFileReaderPlugin implements MethodChannel.MethodCallHandler {
+public class FlutterFileReaderPlugin implements FlutterPlugin, ActivityAware, MethodChannel.MethodCallHandler {
 
     private int x5LoadStatus = -1; // -1 未加载状态  5 成功 10 失败
 
+    private static String TAG = "FileReader";
+
     public static final String channelName = "wv.io/FileReader";
+    private FlutterPluginBinding flutterPluginBinding;
+
     private Context ctx;
-    private Context act;
+    private Context activityContext;
     private MethodChannel methodChannel;
     private Handler mainHandler = new Handler(Looper.getMainLooper(), new Handler.Callback() {
         @Override
@@ -43,24 +49,16 @@ public boolean handleMessage(Message msg) {
     });
 
 
-    private FlutterFileReaderPlugin(Registrar registrar) {
-        ctx = registrar.context();
-        act = registrar.activity();
-        methodChannel = new MethodChannel(registrar.messenger(), channelName);
-        methodChannel.setMethodCallHandler(this);
-        initX5(registrar.context());
-        netBroadcastRegister(registrar.context());
-
+    public FlutterFileReaderPlugin(){
+        Log.d(TAG,"init");
     }
 
-
-    /**
-     * Plugin registration.
-     */
-    public static void registerWith(Registrar registrar) {
-        FlutterFileReaderPlugin plugin = new FlutterFileReaderPlugin(registrar);
-        registrar.platformViewRegistry().registerViewFactory("FileReader", new X5FileReaderFactory(registrar.messenger(), registrar.activity(),plugin));
-
+    private void loadParameters(FlutterPluginBinding binding) {
+        ctx = binding.getApplicationContext();
+        methodChannel = new MethodChannel(binding.getBinaryMessenger(), channelName);
+        methodChannel.setMethodCallHandler(this);
+        initX5(binding.getApplicationContext());
+        netBroadcastRegister(binding.getApplicationContext());
     }
 
 
@@ -72,20 +70,18 @@ public void netBroadcastRegister(final Context context) {
             @Override
             public void onChangeListener(int status) {
                 if (!QbSdk.canLoadX5(context)) {
-                  //  Log.d("FileReader", "网络变化->加载x5内核");
+                  //  Log.d(TAG, "网络变化->加载x5内核");
                     initX5(context);
                 }
             }
         });
         //注册广播接收
         context.registerReceiver(netBroadcastReceiver, filter);
-
-
     }
 
 
     public void initX5(final Context context) {
-        Log.d("FileReader","初始化X5->"+QbSdk.canLoadX5(context));
+        Log.d(TAG,"初始化X5->"+QbSdk.canLoadX5(context));
         if(!QbSdk.canLoadX5(context)){
             //重要
             QbSdk.reset(context);
@@ -101,7 +97,7 @@ public void initX5(final Context context) {
         QbSdk.setTbsListener(new TbsListener() {
             @Override
             public void onDownloadFinish(int i) {
-                Log.d("FileReader", "TBS下载完成");
+                Log.d(TAG, "TBS下载完成");
             }
 
             @Override
@@ -111,14 +107,14 @@ public void onInstallFinish(int i) {
 
             @Override
             public void onDownloadProgress(int i) {
-                Log.d("FileReader", "TBS下载进度:" + i);
+                Log.d(TAG, "TBS下载进度:" + i);
             }
         });
 
         QbSdk.initX5Environment(context, new QbSdk.PreInitCallback() {
             @Override
             public void onCoreInitFinished() {
-                Log.d("FileReader", "TBS内核初始化结束");
+                Log.d(TAG, "TBS内核初始化结束");
             }
 
             @Override
@@ -128,14 +124,12 @@ public void onViewInitFinished(boolean b) {
                 } else {
                     x5LoadStatus = 10;
                 }
-               // Log.d("FileReader", "view初始化完成状态:" + b);
-                Log.d("FileReader", "TBS内核状态:" + QbSdk.canLoadX5(context));
+               // Log.d(TAG, "view初始化完成状态:" + b);
+                Log.d(TAG, "TBS内核状态:" + QbSdk.canLoadX5(context));
                 onX5LoadComplete();
             }
         });
 
-
-
     }
 
     @Override
@@ -154,11 +148,10 @@ public boolean openFileByMiniQb(String filePath){
         params.put("style", "1");
         params.put("local", "false");
 
-
-        QbSdk.openFileReader(act, filePath, params, new ValueCallback<String>() {
+        QbSdk.openFileReader(activityContext, filePath, params, new ValueCallback<String>() {
             @Override
             public void onReceiveValue(String s) {
-                Log.d("FileReader","openFileReader->"+s);
+                Log.d(TAG,"openFileReader->"+s);
             }
         });
 
@@ -173,10 +166,46 @@ private void onX5LoadComplete() {
 
     int isLoadX5() {
         if(QbSdk.canLoadX5(ctx)){
-         //   Log.d("FileReader","x5 is Load");
+         //   Log.d(TAG,"x5 is Load");
             x5LoadStatus = 5;
         }
         return x5LoadStatus;
     }
+
+    @Override
+    public void onAttachedToEngine(FlutterPluginBinding binding) {
+        this.flutterPluginBinding = binding;
+//
+        Log.d(TAG, "onAttachedToEngine");
+    }
+
+    @Override
+    public void onDetachedFromEngine(FlutterPluginBinding binding) {
+        Log.d(TAG, "onDetachedFromEngine");
+    }
+
+    @Override
+    public void onAttachedToActivity(ActivityPluginBinding binding) {
+        this.activityContext = binding.getActivity();
+        this.loadParameters(this.flutterPluginBinding);
+        this.flutterPluginBinding.getPlatformViewRegistry().registerViewFactory("FileReader", new X5FileReaderFactory(this.flutterPluginBinding.getBinaryMessenger(), this.activityContext, this));
+        Log.d(TAG, "onAttachedToActivity");
+    }
+
+    @Override
+    public void onDetachedFromActivityForConfigChanges() {
+        Log.d(TAG, "onDetachedFromActivityForConfigChanges");
+    }
+
+    @Override
+    public void onReattachedToActivityForConfigChanges(ActivityPluginBinding binding) {
+        Log.d(TAG, "onReattachedToActivityForConfigChanges");
+    }
+
+    @Override
+    public void onDetachedFromActivity() {
+        Log.d(TAG, "onDetachedFromActivity");
+        activityContext = null;
+    }
 }