diff --git a/android/build.gradle b/android/build.gradle
index 402357b..feeb266 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -73,6 +73,10 @@ repositories {
 dependencies {
     //noinspection GradleDynamicVersion
     implementation 'com.facebook.react:react-native:+'  // From node_modules
+    // 微信SDK
+    // Android Studio环境下：已改用gradle形式，发布到jcenter，请开发者使用gradle来编译、更新微信SDK。
+    // 在build.gradle文件中，添加如下依赖即可：
+    implementation 'com.tencent.mm.opensdk:wechat-sdk-android-without-mta:+'
 }
 
 def configureReactNativePom(def pom) {
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 6705325..492912c 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,4 +1,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.uiwjs.react.wechat">
-
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 </manifest>
diff --git a/android/src/main/java/com/uiwjs/react/wechat/RNWechatModule.java b/android/src/main/java/com/uiwjs/react/wechat/RNWechatModule.java
index 8272007..4321dbb 100644
--- a/android/src/main/java/com/uiwjs/react/wechat/RNWechatModule.java
+++ b/android/src/main/java/com/uiwjs/react/wechat/RNWechatModule.java
@@ -4,10 +4,15 @@ import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.Callback;
+import com.facebook.react.bridge.Promise;
+import com.tencent.mm.opensdk.openapi.WXAPIFactory;
+import com.tencent.mm.opensdk.openapi.IWXAPI;
 
 public class RNWechatModule extends ReactContextBaseJavaModule {
 
     private final ReactApplicationContext reactContext;
+    private String appId;
+    private IWXAPI api = null;
 
     public RNWechatModule(ReactApplicationContext reactContext) {
         super(reactContext);
@@ -20,8 +25,13 @@ public class RNWechatModule extends ReactContextBaseJavaModule {
     }
 
     @ReactMethod
-    public void sampleMethod(String stringArgument, int numberArgument, Callback callback) {
-        // TODO: Implement some actually useful functionality
-        callback.invoke("Received numberArgument: " + numberArgument + " stringArgument: " + stringArgument);
+    public void registerApp(String appid, Promise promise) {
+        try {
+            this.appId = appid;
+            api = WXAPIFactory.createWXAPI(reactContext.getApplicationContext(), appid, true);
+            promise.resolve(api.registerApp(appid));
+        } catch (Exception e) {
+            promise.reject("-1", e.getMessage());
+        }
     }
 }
diff --git a/index.d.ts b/index.d.ts
index 76be257..e37e969 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,6 +1,7 @@
 
 /**
  * 向微信注册应用
+ * 必须先注册应用，在 Android 后面的调用才会起作用
  * @param appid 通过微信开放平台，[获取appid](https://open.weixin.qq.com/)
  * @param universalLink Universal Link(通用链接)是苹果在 iOS9 推出的，一种能够方便的通过传统 HTTPS 链接来启动 APP 的功能，可以使用相同的网址打开网址和 APP。
  */
diff --git a/package.json b/package.json
index f06de63..c0ca2c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@uiw/react-native-wechat",
-  "title": "@uiw/react Native Wechat",
+  "title": "React Native Wechat",
   "version": "1.0.0",
   "description": "React Native 包使用微信分享、登录、收藏、支付等功能。",
   "main": "index.js",