update readme

ReadMe.md

@@ -17,6 +17,8 @@ SmartDNS 同时支持指定特定域名 IP 地址，并高性匹配，可达到
   - [特性](#特性)
   - [架构](#架构)
   - [下载](#下载)
+    - [使用官方安装源](#使用官方安装源)
+    - [手工下载安装](#手工下载安装)
   - [安装和使用](#安装和使用)
     - [标准 Linux 系统 / 树莓派](#标准-linux-系统--树莓派)
     - [OpenWrt](#openwrt)
@@ -121,6 +123,9 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
 9. **高性能、占用资源少**  
    多线程异步 IO 模式，cache 缓存查询结果。
 
+10. **主流系统官方支持**
+   主流路由系统官方软件源安装smartdns。
+
 ## 架构
 
 ![Architecture](https://github.com/pymumu/test/releases/download/blob/architecture.png)
@@ -132,6 +137,19 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
 
 ## 下载
 
+### 使用官方安装源
+
+smartdns已经合入主流系统的软件仓库，可以直接使用系统安装命令直接安装。
+
+系统|安装方式|说明|
+--|--|--
+openwrt|opkg update</br>opkg install luci-app-smartdns</br>opkg install smartdns|22.03之后的系统。软件源路径：https://downloads.openwrt.org/releases/
+ddwrt|官方最新固件service页面->SmartDNS Resolver->启用。|选择界面参考：https://forum.dd-wrt.com/demo/Services.html
+debian|apt-get install smartdns|
+entware|ipkg update</br>ipkg install smartdns|软件源路径：https://bin.entware.net/
+
+### 手工下载安装
+
 --------------
 
 下载对应系统或固件版本的 SmartDNS 安装包，对应关系如下。
@@ -723,6 +741,9 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
     ...
     ```
 
+14. 更多问题  
+    如有更多问题，请查阅或提交issue: [https://github.com/pymumu/smartdns/issues](https://github.com/pymumu/smartdns/issues)
+
 ## 编译
 
   SmartDNS 提供了编译软件包的脚本（`package/build-pkg.sh`），支持编译 LuCI、Debian、OpenWrt 和 Optware 安装包。

ReadMe_en.md

@@ -9,19 +9,27 @@ Support Raspberry Pi, openwrt, ASUS router, Windows and other devices.
 
 ## Table Of Content
 
-1. [Software Show](#software-show)
-1. [Features](#features)
-1. [Architecture](#architecture)
-1. [Usage](#usage)  
-    1. [Download the package](#download-the-package)
-    1. [Standard Linux system installation/Raspberry Pi, X86_64 system](#standard-linux-system-installation/raspberry-pi,-x86_64-system)
-    1. [openwrt/LEDE](#openwrt/lede)
-    1. [ASUS router native firmware / Merlin firmware](#asus-router-native-firmware-/-merlin-firmware)
-    1. [optware/entware](#optware/entware)
-    1. [Windows 10 WSL Installation/WSL ubuntu](#windows-10-wsl-installation/wsl-ubuntu)
-1. [Configuration parameter](#configuration-parameter)
-1. [Donate](#Donate)
-1. [FAQ](#FAQ)
+- [SmartDNS](#smartdns)
+  - [Table Of Content](#table-of-content)
+  - [Software Show](#software-show)
+  - [Features](#features)
+  - [Architecture](#architecture)
+  - [Usage](#usage)
+    - [Use official installation source](#use-official-installation-source)
+    - [Download the package](#download-the-package)
+    - [Standard Linux system installation/Raspberry Pi, X86_64 system](#standard-linux-system-installationraspberry-pi-x86_64-system)
+    - [openwrt](#openwrt)
+    - [ASUS router native firmware / Merlin firmware](#asus-router-native-firmware--merlin-firmware)
+    - [optware/entware](#optwareentware)
+    - [Windows 10 WSL Installation/WSL ubuntu](#windows-10-wsl-installationwsl-ubuntu)
+  - [Configuration parameter](#configuration-parameter)
+  - [FAQ](#faq)
+  - [Compile](#compile)
+  - [Donate](#donate)
+    - [PayPal](#paypal)
+    - [Alipay](#alipay)
+    - [Wechat](#wechat)
+  - [Open Source License](#open-source-license)
 
 ## Software Show
 
@@ -121,6 +129,17 @@ From the comparison, smartdns found the fastest IP address to visit www.baidu.co
 
 ## Usage
 
+### Use official installation source
+
+smartdns can already be installed using system package management tools.
+
+System|Installation|Instructions|
+--|--|--
+openwrt|opkg update</br>opkg install luci-app-smartdns</br>opkg install smartdns|systems after 22.03. Software source: https://downloads.openwrt.org/releases/
+ddwrt|latest firmware. goto services page abd enable SmartDNS Resolver. |Demo: https://forum.dd-wrt.com/demo/Services.html
+debian|apt-get install smartdns|
+entware|ipkg update</br>ipkg install smartdns|Software source: https://bin.entware.net/
+
 ### Download the package
 
 --------------
@@ -664,6 +683,9 @@ Note: Merlin firmware is derived from ASUS firmware and can theoretically be use
     ...
     ````
 
+1. More questions    
+    More questions, please read issue: [https://github.com/pymumu/smartdns/issues](https://github.com/pymumu/smartdns/issues)
+
 ## Compile
 
 smartdns contains scripts for compiling packages, supports compiling luci, debian, openwrt, opare installation packages, and can execute `package/build-pkg.sh` compilation.