diff --git a/README.md b/README.md
index 0bec521..e04a6e6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <img height="200" src="./image/weixin.png?raw=true">
 
 # React-Native-Wechat-Lib
-![Version](https://img.shields.io/badge/Version-V3.0.0-brightgreen)
+![Version](https://img.shields.io/badge/Version-V3.0.4-brightgreen)
 ![npm version](https://img.shields.io/badge/npm-v1.1.24-blue)
 ![Wechat SDK](https://img.shields.io/badge/WechatSDKAndroid-V6.8.20-brightgreen)
 ![Wechat SDK](https://img.shields.io/badge/WechatSDKIos-V2.0-brightgreen)
@@ -36,7 +36,7 @@
 
 目前最新代码版本为 3.0.x，但 NPM Last 版本暂时只到 1.1.26，因为 **3.0.x 暂时还处于开发阶段**，有小部分功能**未经过测试**。
 
-如果你需要使用 3.0.x 版本，请在 package.json 中加上版本号 react-native-wechat-lib@3.0.4，切换前请你清楚了解该版本的风险，该版本为开发版。
+如果你需要使用 3.0.x 版本，请在 package.json 中加上版本号 **react-native-wechat-lib@3.0.4**，切换前请你清楚了解该版本的风险，该版本为开发版。
 
 我会尽快推出 3.0.x 发行版。
 
@@ -62,6 +62,9 @@
 NPM 安装
 ```sh
 npm install react-native-wechat-lib --save
+# 3.0.x 使用3.0.4
+npm install react-native-wechat-lib@3.0.4 --save
+
 # 3.0.0 开始弃用
 react-native link react-native-wechat-lib
 ```
diff --git a/android/src/main/java/com/wechatlib/WeChatLibModule.java b/android/src/main/java/com/wechatlib/WeChatLibModule.java
index 9c1bd99..e51fd18 100644
--- a/android/src/main/java/com/wechatlib/WeChatLibModule.java
+++ b/android/src/main/java/com/wechatlib/WeChatLibModule.java
@@ -120,7 +120,7 @@ public class WeChatLibModule extends ReactContextBaseJavaModule implements IWXAP
 
     @Override
     public String getName() {
-        return "RCTWeChat";
+        return "WeChat";
     }
 
     /**
diff --git a/ios/WechatLib.h b/ios/WechatLib.h
index 615f1ec..dabcf62 100644
--- a/ios/WechatLib.h
+++ b/ios/WechatLib.h
@@ -24,7 +24,7 @@
 #define RCTWXEventName @"WeChat_Resp"
 #define RCTWXEventNameWeChatReq @"WeChat_Req"
 
-@interface WechatLib : NSObject <RCTBridgeModule, WXApiDelegate>
+@interface WeChat : NSObject <RCTBridgeModule, WXApiDelegate>
 
 @property NSString* appId;
 
diff --git a/ios/WechatLib.mm b/ios/WechatLib.mm
index ce0f9f4..f6e85ef 100644
--- a/ios/WechatLib.mm
+++ b/ios/WechatLib.mm
@@ -8,12 +8,12 @@
 #import "WechatAuthSDK.h"
 
 
-@interface WechatLib () <WechatAuthAPIDelegate>
+@interface WeChat () <WechatAuthAPIDelegate>
 @property (nonatomic, strong) WechatAuthSDK *authSDK;
 @property (nonatomic, strong) RCTResponseSenderBlock scanCallback;
 @end
 
-@implementation WechatLib
+@implementation WeChat
 
 // Define error messages
 #define NOT_REGISTERED (@"registerApp required.")
diff --git a/src/index.js b/src/index.js
index 638ca8f..f4aa52c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,11 +5,7 @@ import { sha1 } from 'js-sha1';
 import { DeviceEventEmitter, NativeEventEmitter, NativeModules, Platform } from 'react-native';
 
 let isAppRegistered = false;
-let { WeChat, WechatLib } = NativeModules;
-
-if (WeChat == null) {
-  WeChat = WechatLib;
-}
+let { WeChat } = NativeModules;
 
 // Event emitter to dispatch request and response from WeChat.
 const emitter = new EventEmitter();