diff --git a/CHANGELOG.md b/CHANGELOG.md
index f23e77b..937f005 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 5.9.11+1
+* Documentation supplements, update README.md file.
+
 ## 5.9.11
 * New features:
   - Set video streaming mode. `setVideoStreamLayerCount`
diff --git a/README.md b/README.md
index cb7a2e6..7237f15 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,36 @@
 
 [![build Status](https://github.com/netease-im/NERTC-Flutter-SDK/workflows/build/badge.svg)](https://github.com/netease-im/NERTC-Flutter-SDK/actions) [![pub package](https://img.shields.io/pub/v/nertc.svg)](https://pub.dev/packages/nertc)
 
-Flutter plugin for NetEase RTC SDK.
+Flutter plugin for NetEase RTC SDK, currently supports Android/iOS/macOS/Windows platforms.
+
+## Introduce
+
+NetEase Real-Time Communication (NERTC) is a Real-Time Communication development platform designed for efficient audio and video communication services. Based on Netease's years of technical accumulation of instant communication and Real-Time Communication capabilities, NERTC provides you with stable, smooth, high-quality, full-platform point-to-point and multi-person Real-Time Communication services.
+
+For more product descriptions, please see [homepage](https://doc.yunxin.163.com/nertc/guide/Dc0NTg0NzM?platform=flutter).
+
+## Installation
+
+Run this command at your project root path: 
+
+```
+ $ flutter pub add nertc_core
+```
+
+For more information, please see `Installing`.
 
 ## Usage
-Add `nertc_core` as a [dependency in your pubspec.yaml file](https://flutter.io/using-packages/).
+
+Now in your Dart code, you can use:
+
+```dart
+import 'package:nertc_core/nertc_core.dart';
+```
+
+Import it into your project. 
+
+To ensure that your project can function properly with the SDK, you need to add the following configuration to your project.
+
 
 ### iOS
 
@@ -30,3 +56,29 @@ Change the minimum Android sdk version to 21 (or higher) in your `android/app/bu
 ```
 minSdkVersion 21
 ```
+
+### macOS
+
+Add two rows to the `macOS/Runner/Info.plist`:
+
+* one with the key `Privacy - Camera Usage Description` and a usage description.
+* and one with the key `Privacy - Microphone Usage Description` and a usage description.
+
+Or in text format add the key:
+
+```xml
+<key>NSCameraUsageDescription</key>
+<string>Can I use the camera please?</string>
+<key>NSMicrophoneUsageDescription</key>
+<string>Can I use the mic please?</string>
+```
+
+For more usage, please refer to the samplecode provided on github, [click it](https://github.com/netease-im/NERTC-Flutter-SDK).
+
+## Contact us
+
+- If you are having trouble, you can read the [Documentation Center](https://doc.yunxin.163.com/).
+- If you need after-sales technical support, you can submit a ticket in the [Netease cloud console](https://app.yunxin.163.com/index#/issue/submit).
+
+
+
diff --git a/pubspec.yaml b/pubspec.yaml
index 0851232..5fd1adc 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,8 +1,8 @@
 name: nertc_core
-description: A Flutter plugin for NetEase RTC SDK.
+description: A Flutter plugin for NetEase RTC SDK, It can help you integrate SDK quickly and realize basic functions of Real-Time Communication.
 homepage: https://doc.yunxin.163.com/nertc/guide/Dc0NTg0NzM?platform=flutter
 repository: https://github.com/netease-im/NERTC-Flutter-SDK
-version: 5.9.11
+version: 5.9.11+1
 
 #publish_to: 'none'
 environment: