diff --git a/README.md b/README.md
index bf6377a..2d80872 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 
 因为React Native调整了okhttp的依赖，对于0.26及以前版本，请指定安装1.0.x版本。
 
-0.31开始React Native调整了bundle的传参,因此需要更新本插件到2.1.0
+0.31开始React Native调整了bundle的传参,因此需要更新本插件到2.1.0或更高版本。
 
 ### 优势
 
diff --git a/docs/guide.md b/docs/guide.md
index e8f3df4..8ade1f7 100644
--- a/docs/guide.md
+++ b/docs/guide.md
@@ -50,11 +50,6 @@ npm config set registry https://registry.npm.taobao.org --global
 npm config set disturl https://npm.taobao.org/dist --global
 ```
 
-* Windows平台请注意 *
-
-1、你必须安装python 2.7以及一套C++环境（推荐VS2013或VS2015，VS2010及以前版本不可用）
-
-2、如果使用VS2015，你需要设置`npm config set msvs_version 2015 --global`
 
 ## 手动安装
 
@@ -64,8 +59,8 @@ npm config set disturl https://npm.taobao.org/dist --global
 
 1. 在XCode中的Project Navigator里,右键点击`Libraries` ➜ `Add Files to [你的工程名]`
 2. 进入`node_modules` ➜ `react-native-update` ➜ `ios 并选中 `RCTHotUpdate.xcodeproj`
-3. 在XCode中的project navigator里,选中你的工程,在 `Build Phases` ➜ `Link Binary With Libraries` 中添加 `libRCTHotUpdate.a` 
-4. Run your project (`Cmd+R`)<
+3. 在XCode中的project navigator里,选中你的工程,在 `Build Phases` ➜ `Link Binary With Libraries` 中添加 `libRCTHotUpdate.a`
+4. Run your project (`Cmd+R`)
 
 #### Android
 
@@ -84,8 +79,6 @@ npm config set disturl https://npm.taobao.org/dist --global
 
 ## 配置Bundle URL(iOS)
 
-// 文档建设中 
-
 在工程target的Build Phases->Link Binary with Libraries中加入libz.tbd、libbz2.1.0.tbd
 
 
@@ -145,6 +138,23 @@ public class MainActivity extends ReactActivity {
 }
 ```
 
+## iOS的ATS例外配置
+从iOS9开始，苹果要求以白名单的形式在Info.plist中列出外部的非https接口，以督促开发者部署https协议。在我们的服务部署https协议之前，请在Info.plist中添加如下例外（右键点击Info.plist，选择open as - source code）：
+```xml
+<key>NSAppTransportSecurity</key>
+<dict>
+    <key>NSExceptionDomains</key>
+    <dict>
+        <key>reactnative.cn</key>
+        <dict>
+            <key>NSIncludesSubdomains</key>
+            <true/>
+        </dict>
+   </dict>
+</dict>
+```
+
+
 ## 登录与创建应用
 
 在你的项目根目录下运行以下命令：
diff --git a/local-cli/src/bundle.js b/local-cli/src/bundle.js
index 5e56f57..c5ad3b8 100644
--- a/local-cli/src/bundle.js
+++ b/local-cli/src/bundle.js
@@ -12,11 +12,21 @@ import {
 import * as fs from 'fs';
 import {ZipFile} from 'yazl';
 import {open as openZipFile} from 'yauzl';
-import {diff} from 'node-bsdiff';
+// import {diff} from 'node-bsdiff';
 import { question } from './utils';
 import {checkPlatform} from './app';
 import crypto from 'crypto';
 
+var diff;
+try {
+  diff = require('node-bsdiff');
+} catch(e) {
+  diff = function() {
+    console.warn('This function needs "node-bsdiff". Please run "npm i node-bsdiff -S" from your project directory first!');
+    throw new Error('This function needs module "node-bsdiff". Please install it first.')
+  }
+}
+
 function mkdir(dir){
   return new Promise((resolve, reject) => {
     mkdirRecurisve(dir, err => {
@@ -106,7 +116,7 @@ function basename(fn) {
   return m && m[1];
 }
 
-async function diffWithPPK(origin, next, output) {
+async function diffFromPPK(origin, next, output) {
   await mkdir(path.dirname(output));
 
   const originEntries = {};
@@ -223,7 +233,7 @@ async function diffWithPPK(origin, next, output) {
   await writePromise;
 }
 
-async function diffWithPackage(origin, next, output, originBundleName, transformPackagePath = v=>v) {
+async function diffFromPackage(origin, next, output, originBundleName, transformPackagePath = v=>v) {
   await mkdir(path.dirname(output));
 
   const originEntries = {};
@@ -425,11 +435,11 @@ export const commands = {
     const realOutput = output.replace(/\$\{time\}/g, '' + Date.now());
 
     if (!origin || !next) {
-      console.error('pushy diffWithApk <origin> <next>');
+      console.error('pushy diff <origin> <next>');
       process.exit(1);
     }
 
-    await diffWithPPK(origin, next, realOutput, 'index.bundlejs');
+    await diffFromPPK(origin, next, realOutput, 'index.bundlejs');
     console.log(`${realOutput} generated.`);
   },
 
@@ -440,11 +450,11 @@ export const commands = {
     const realOutput = output.replace(/\$\{time\}/g, '' + Date.now());
 
     if (!origin || !next) {
-      console.error('pushy diffWithApk <origin> <next>');
+      console.error('pushy diffFromApk <origin> <next>');
       process.exit(1);
     }
 
-    await diffWithPackage(origin, next, realOutput, 'assets/index.android.bundle');
+    await diffFromPackage(origin, next, realOutput, 'assets/index.android.bundle');
     console.log(`${realOutput} generated.`);
   },
 
@@ -455,11 +465,11 @@ export const commands = {
     const realOutput = output.replace(/\$\{time\}/g, '' + Date.now());
 
     if (!origin || !next) {
-      console.error('pushy diffWithIpa <origin> <next>');
+      console.error('pushy diffFromIpa <origin> <next>');
       process.exit(1);
     }
 
-    await diffWithPackage(origin, next, realOutput, 'main.jsbundle', v=>{
+    await diffFromPackage(origin, next, realOutput, 'main.jsbundle', v=>{
       const m = /^Payload\/[^/]+\/(.+)$/.exec(v);
       return m && m[1];
     });
diff --git a/package.json b/package.json
index 2bbc4d5..759c775 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,6 @@
     "isomorphic-fetch": "^2.2.1",
     "mkdir-recursive": "^0.2.1",
     "node-apk-parser": "^0.2.3",
-    "node-bsdiff": "^0.1.4",
     "progress": "^1.1.8",
     "read": "^1.0.7",
     "request": "^2.69.0",