diff --git a/android/src/main/java/cn/jpush/reactnativejpush/JPushModule.java b/android/src/main/java/cn/jpush/reactnativejpush/JPushModule.java
index 981fbf3a..e1e65d11 100644
--- a/android/src/main/java/cn/jpush/reactnativejpush/JPushModule.java
+++ b/android/src/main/java/cn/jpush/reactnativejpush/JPushModule.java
@@ -17,6 +17,7 @@
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.bridge.ReadableMap;
 import com.facebook.react.bridge.WritableArray;
 import com.facebook.react.bridge.WritableMap;
 import com.facebook.react.modules.core.DeviceEventManagerModule;
@@ -121,6 +122,16 @@ public void resumePush() {
         Logger.toast(mContext, "Resume push success");
     }
 
+    @ReactMethod
+    public void crashLogOFF() {
+        JPushInterface.stopCrashHandler(getReactApplicationContext());
+    }
+
+    @ReactMethod
+    public void crashLogON() {
+        JPushInterface.initCrashHandler(getReactApplicationContext());
+    }
+
     @ReactMethod
     public void notifyJSDidLoad(Callback callback) {
         // send cached event
@@ -157,8 +168,10 @@ private static void sendEvent() {
                             .emit(mEvent, map);
                     break;
                 case CONNECTION_CHANGE:
-                    mRAC.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
-                            .emit(mEvent, mCachedBundle.getBoolean(JPushInterface.EXTRA_CONNECTION_CHANGE, false));
+                    if (mCachedBundle != null) {
+                        mRAC.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
+                                .emit(mEvent, mCachedBundle.getBoolean(JPushInterface.EXTRA_CONNECTION_CHANGE, false));
+                    }
                     break;
             }
             mEvent = null;
@@ -446,7 +459,7 @@ public void onReceive(Context context, Intent data) {
                         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
                     } else {
                         intent = context.getPackageManager().getLaunchIntentForPackage(context.getPackageName());
-                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
                     }
                     intent.putExtras(mCachedBundle);
                     context.startActivity(intent);
@@ -575,6 +588,26 @@ public void jumpToPushActivity(String activityName) {
 
     }
 
+    @ReactMethod
+    public void jumpToPushActivityWithParams(String activityName, ReadableMap map) {
+        Logger.d(TAG, "Jumping to " + activityName);
+        try {
+            Intent intent = new Intent();
+            if (null != map) {
+                while (map.keySetIterator().hasNextKey()) {
+                    String key = map.keySetIterator().nextKey();
+                    String value = map.getString(key);
+                    intent.putExtra(key, value);
+                }
+            }
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            intent.setClassName(mRAC, mRAC.getPackageName() + "." + activityName);
+            mRAC.startActivity(intent);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @ReactMethod
     public void finishActivity() {
         try {
diff --git a/android/src/main/java/cn/jpush/reactnativejpush/JPushPackage.java b/android/src/main/java/cn/jpush/reactnativejpush/JPushPackage.java
index 9668579f..cf1e1a29 100644
--- a/android/src/main/java/cn/jpush/reactnativejpush/JPushPackage.java
+++ b/android/src/main/java/cn/jpush/reactnativejpush/JPushPackage.java
@@ -1,6 +1,7 @@
 package cn.jpush.reactnativejpush;
 
 import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.JavaScriptModule;
 import com.facebook.react.bridge.NativeModule;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.uimanager.ViewManager;
@@ -23,6 +24,11 @@ public List<NativeModule> createNativeModules(ReactApplicationContext reactConte
         });
     }
 
+    // RN 0.47 remove this method
+    public List<Class<? extends JavaScriptModule>> createJSModules() {
+        return Collections.emptyList();
+    }
+
     @Override
     public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
         return Collections.emptyList();
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 7652e136..ccfe7bd3 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -142,10 +142,10 @@ android {
 
 dependencies {
     compile fileTree(dir: "libs", include: ["*.jar"])
-    compile project(':jpush-react-native')
-    compile project(':jcore-react-native')
+    api project(':jpush-react-native')
+    api project(':jcore-react-native')
     compile "com.android.support:appcompat-v7:25.3.1"
-    compile "com.facebook.react:react-native:0.47.1"  // From node_modules
+    compile "com.facebook.react:react-native:+"  // From node_modules
 }
 
 // Run this once to be able to run the application with BUCK
diff --git a/example/android/app/src/com/pushdemo/SecondActivity.java b/example/android/app/src/com/pushdemo/SecondActivity.java
index fceddb2b..6ccbf7c1 100644
--- a/example/android/app/src/com/pushdemo/SecondActivity.java
+++ b/example/android/app/src/com/pushdemo/SecondActivity.java
@@ -1,14 +1,31 @@
 package com.pushdemo;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.util.Log;
 
 import com.facebook.react.ReactActivity;
+import com.facebook.react.bridge.Arguments;
+import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.modules.core.DeviceEventManagerModule;
 
 public class SecondActivity extends ReactActivity {
 
+    private final static String KEY = "hello";
+    private final static String RECEIVE_EXTRA_EVENT = "receiveExtras";
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        Intent intent = getIntent();
+        if (null != intent) {
+            String value = intent.getStringExtra("key");
+            Log.i("SecondActivity", "Got intent, key: " + KEY + " value: " + value);
+            WritableMap map = Arguments.createMap();
+            map.putString(KEY, value);
+            getReactInstanceManager().getCurrentReactContext().getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
+                    .emit(RECEIVE_EXTRA_EVENT, map);
+        }
     }
 
     @Override
diff --git a/example/index.android.js b/example/index.android.js
index 7e509bea..ac70f5d5 100644
--- a/example/index.android.js
+++ b/example/index.android.js
@@ -12,66 +12,22 @@ import SecondActivity from './react-native-android/second';
 const {
   AppRegistry,
   BackAndroid,
-  Navigator,
-
 } = ReactNative;
+import {
+  StackNavigator
+} from 'react-navigation';
 import JPushModule from 'jpush-react-native';
 
-var navigator;
-class PushDemoApp extends React.Component {
-
-  constructor(props) {
-    super(props);
-  }
-
-  componentDidMount() {
-    console.log("index did start!");
-    var navigator = this.navigator;
-    BackAndroid.addEventListener('hardwareBackPress', function() {
-      if (navigator && navigator.getCurrentRoutes().length > 1) {
-        navigator.pop();
-        return true;
-      }
-      return false;
-    });
-  }
-
-  componentWillUnmount() {
-    BackAndroid.removeEventListener('hardwareBackPress');
-  }
-
-  configureScene(route) {
-    return Navigator.SceneConfigs.FadeAndroid;
-  }
-
-  renderScene(router, navigator) {
-    var Component = null;
-    this.navigator = navigator;
-    switch (router.name) {
-      case "pushActivity":
-        Component = PushActivity;
-        break;
-      case "setActivity":
-        Component = SetActivity;
-        break;
-      case "second":
-        Component = SecondActivity;
-        break;
-    }
-
-    return <Component navigator = { navigator } />
-  }
-
-
-
-  render() {
-    return (
-      <Navigator
-              initialRoute = { {name: 'pushActivity' }}
-              configureScene = { this.configureScene }
-              renderScene = { this.renderScene } />
-    );
+const PushDemoApp = StackNavigator({
+  Home: {
+    screen: PushActivity
+  },
+  Setting: {
+    screen: SetActivity
+  },
+  Push: {
+    screen: SecondActivity
   }
-}
+})
 
 AppRegistry.registerComponent('PushDemoApp', () => PushDemoApp);
\ No newline at end of file
diff --git a/example/package.json b/example/package.json
index 23c47356..66def651 100644
--- a/example/package.json
+++ b/example/package.json
@@ -7,10 +7,10 @@
     "start": "node node_modules/react-native/local-cli/cli.js start"
   },
   "dependencies": {
-    "jcore-react-native": "^1.1.5",
-    "jpush-react-native": "^1.7.1",
+    "jcore-react-native": "^1.1.7",
+    "jpush-react-native": "^2.0.1",
     "react": "^16.0.0-alpha.12",
-    "react-native": "^0.47.1",
+    "react-native": "^0.44.2",
     "react-native-onesignal": "^3.0.4",
     "react-navigation": "^1.0.0-beta.11"
   },
diff --git a/example/react-native-android/push_activity.js b/example/react-native-android/push_activity.js
index 5132a269..289c31fe 100644
--- a/example/react-native-android/push_activity.js
+++ b/example/react-native-android/push_activity.js
@@ -46,14 +46,14 @@ export default class PushActivity extends React.Component {
 	}
 
 	jumpSetActivity() {
-		this.props.navigator.push({
-			name: 'setActivity'
-		});
+		this.props.navigation.navigate("Setting");
 	}
 
 	jumpSecondActivity() {
 		console.log("jump to SecondActivity");
-		JPushModule.jumpToPushActivity("SecondActivity");
+		JPushModule.jumpToPushActivityWithParams("SecondActivity", {
+			hello: "world"
+		});
 		// this.props.navigator.push({
 		// 	name: "second"
 		// });
@@ -94,8 +94,7 @@ export default class PushActivity extends React.Component {
 			});
 		});
 		JPushModule.notifyJSDidLoad((resultCode) => {
-			if (resultCode === 0) {
-			}
+			if (resultCode === 0) {}
 		});
 		JPushModule.addReceiveCustomMsgListener((map) => {
 			this.setState({
@@ -112,7 +111,8 @@ export default class PushActivity extends React.Component {
 		JPushModule.addReceiveOpenNotificationListener((map) => {
 			console.log("Opening notification!");
 			console.log("map.extra: " + map.extras);
-			JPushModule.jumpToPushActivity("SecondActivity");
+			this.jumpSecondActivity();
+			// JPushModule.jumpToPushActivity("SecondActivity");
 		});
 		JPushModule.addGetRegistrationIdListener((registrationId) => {
 			console.log("Device register succeed, registrationId " + registrationId);
diff --git a/example/react-native-android/second.js b/example/react-native-android/second.js
index 9751b8b6..c2d55624 100644
--- a/example/react-native-android/second.js
+++ b/example/react-native-android/second.js
@@ -30,6 +30,12 @@ export default class second extends React.Component {
     }
   }
 
+  componentDidMount() {
+    JPushModule.addReceiveExtrasListener((map) => {
+      console.log("Got extra, key: hello, value: " + map.hello);
+    });
+  }
+
   onButtonPress = () => {
     console.log("will jump to setting page");
     let navigator = this.props.navigator;
diff --git a/example/react-native-android/set_activity.js b/example/react-native-android/set_activity.js
index 5c1a5a94..bd3c1bb3 100644
--- a/example/react-native-android/set_activity.js
+++ b/example/react-native-android/set_activity.js
@@ -3,7 +3,6 @@
 import React from 'react';
 import ReactNative from 'react-native';
 const {
-	BackAndroid,
 	Text,
 	View,
 	TextInput,
@@ -29,20 +28,9 @@ export default class SetActivity extends React.Component {
 		this.setCustomStyle = this.setCustomStyle.bind(this);
 	}
 
-	componentDidMount() {
-		BackAndroid.addEventListener('hardwareBackPress', () => {
-			const navigator = this.props.navigator;
-			if (navigator.getCurrentRoutes().length > 1) {
-				navigator.pop();
-				return true;
-			}
-			return false;
-		});
-	}
+	componentDidMount() {}
 
-	componentWillUnmount() {
-		BackAndroid.removeEventListener('hardwareBackPress');
-	}
+	componentWillUnmount() {}
 
 	setTag() {
 		if (this.state.tag !== undefined) {
diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/index.js b/index.js
index ffc3e9dd..69bc9d28 100644
--- a/index.js
+++ b/index.js
@@ -13,7 +13,8 @@ const connectionChangeEvent = "connectionChange";
 
 const getRegistrationIdEvent = "getRegistrationId"; // Android Only
 const openNotificationLaunchAppEvent = "openNotificationLaunchApp"; // iOS Only
-const networkDidLogin = "networkDidLogin" // iOS Only
+const networkDidLogin = "networkDidLogin"; // iOS Only
+const receiveExtrasEvent = "receiveExtras"; // Android Only
 
 /**
  * Logs message to console with the [JPush] prefix
@@ -66,6 +67,20 @@ export default class JPush {
 		JPushModule.resumePush();
 	}
 
+	/**
+	 * Android Only
+	 */
+	static crashLogOFF() {
+		JPushModule.crashLogOFF();
+	}
+
+	/**
+	 * Android Only
+	 */
+	static crashLogON() {
+		JPushModule.crashLogON();
+	}
+
 	/**
 	 * Android Only
 	 * 
@@ -261,6 +276,13 @@ export default class JPush {
 		JPushModule.jumpToPushActivity(activityName);
 	}
 
+	/**
+	 * Android Only
+	 */
+	static jumpToPushActivityWithParams(activityName, map) {
+		JPushModule.jumpToPushActivityWithParams(activityName, map);
+	}
+
 	/**
 	 * Android Only
 	 */
@@ -302,7 +324,7 @@ export default class JPush {
 				cb(registrationId);
 			});
 	}
-	
+
 	/**
 	 * iOS Only
 	 * 取消监听：应用没有启动的状态点击推送打开应用
@@ -328,7 +350,7 @@ export default class JPush {
 				cb(registrationId);
 			});
 	}
-	
+
 	/**
 	 * iOS Only
 	 * 
@@ -439,7 +461,27 @@ export default class JPush {
 		listeners[cb] = null;
 	}
 
-	
+	/**
+	 * 监听：收到 Native 下发的 extra 事件
+	 * @param {Function} cb = (map) => { }
+	 * 返回 Object，属性和值在 Native 定义
+	 */
+	static addReceiveExtrasListener(cb) {
+		listeners[cb] = DeviceEventEmitter.addListener(receiveExtrasEvent,
+			(map) => {
+				cb(map);
+			});
+	}
+
+	static removeReceiveExtrasListener(cb) {
+		if (!listeners[cb]) {
+			return;
+		}
+		listeners[cb].remove();
+		listeners[cb] = null;
+	}
+
+
 	/**
 	 * 获取 RegistrationId 
 	 * @param {Function} cb = (String) => { }
diff --git a/package.json b/package.json
index 9f5d7fd4..194ea8e2 100644
--- a/package.json
+++ b/package.json
@@ -1,44 +1,49 @@
 {
-	"name": "jpush-react-native",
-	"version": "2.0.1",
-	"description": "a jpush plugin for react native application",
-	"main": "index.js",
-	"scripts": {
-		"postinstall": "node postInstall.js"
-	},
-	"repository": {
-		"type": "git",
-		"url": "git@github.com:jpush/jpush-react-native.git"
-	},
-	"keywords": [
-		"react",
-		"native",
-		"jpush"
-	],
-	"author": "KenChoi, huminiOS",
-	"license": "ISC",
-	"bugs": {
-		"url": "https://github.com/jpush/jpush-react-native/issues"
-	},
-	"homepage": "https://github.com/jpush/jpush-react-native#readme",
-	"peerDependencies": {
-		"jcore-react-native": ">= 1.1.5"
-	},
-	"rnpm": {
-		"ios": {
-			"sharedLibraries": [
-				"libz",
-				"UserNotifications",
-				"CoreTelephony",
-				"Security",
-				"CFNetwork",
-				"CoreFoundation",
-				"SystemConfiguration",
-				"Foundation",
-				"UIKit",
-				"libresolv",
-				"CoreGraphics"
-			]
-		}
-	}
+  "name": "jpush-react-native",
+  "version": "2.0.2",
+  "description": "a jpush plugin for react native application",
+  "main": "index.js",
+  "scripts": {
+    "postinstall": "node postInstall.js"
+  },
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:jpush/jpush-react-native.git"
+  },
+  "keywords": [
+    "react",
+    "native",
+    "jpush"
+  ],
+  "author": "KenChoi, huminiOS",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/jpush/jpush-react-native/issues"
+  },
+  "homepage": "https://github.com/jpush/jpush-react-native#readme",
+  "peerDependencies": {
+    "jcore-react-native": ">= 1.1.5"
+  },
+  "rnpm": {
+    "ios": {
+      "sharedLibraries": [
+        "libz",
+        "UserNotifications",
+        "CoreTelephony",
+        "Security",
+        "CFNetwork",
+        "CoreFoundation",
+        "SystemConfiguration",
+        "Foundation",
+        "UIKit",
+        "libresolv",
+        "CoreGraphics"
+      ]
+    }
+  },
+  "devDependencies": {
+    "babel-cli": "^6.24.1",
+    "babel-preset-env": "^1.6.0"
+  }
 }
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..3a76082b
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es6",
+    "sourceMap": true
+  },
+  "exclude": [
+    "node_modules"
+  ]
+}
\ No newline at end of file