Update docs

Author: hwdsl2

README-zh.md

@@ -153,7 +153,7 @@ sh vpn.sh
 
 ## 重要提示
 
-*其他语言版本: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示).*
+*其他语言版本: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示)。如果你有改进建议，可以在<a href="https://blog.ls20.com/vpnfeedback" target="_blank">这里</a>提交。*
 
 **Windows 用户** 对于 IPsec/L2TP 模式，在首次连接之前需要 [修改注册表](docs/clients-zh.md#windows-错误-809)，以解决 VPN 服务器或客户端与 NAT（比如家用路由器）的兼容问题。
 

README.md

@@ -153,7 +153,7 @@ Enjoy your very own VPN! :sparkles::tada::rocket::sparkles:
 
 ## Important notes
 
-*Read this in other languages: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示).*
+*Read this in other languages: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示). Have a suggestion? <a href="https://blog.ls20.com/vpnfeedback" target="_blank">Submit feedback</a>.*
 
 **Windows users**: For IPsec/L2TP mode, a [one-time registry change](docs/clients.md#windows-error-809) is required if the VPN server or client is behind NAT (e.g. home router).
 

aws/README-zh.md

@@ -1,6 +1,6 @@
 # 使用 CloudFormation 在 Amazon EC2 上部署
 
-*其他语言版本: [English](README.md), [简体中文](README-zh.md).*
+*其他语言版本: [English](README.md), [简体中文](README-zh.md)。如果你有改进建议，可以在<a href="https://blog.ls20.com/vpnfeedback" target="_blank">这里</a>提交。*
 
 使用这个模板，你可以在 Amazon Elastic Compute Cloud（Amazon EC2）上快速搭建一个 IPsec VPN 服务器。在继续之前，请参见 EC2 [定价细节](https://aws.amazon.com/cn/ec2/pricing/on-demand/)。在部署中使用 `t2.micro` 服务器实例可能符合 [AWS 免费套餐](https://aws.amazon.com/cn/free/) 的资格。
 

aws/README.md

@@ -1,6 +1,6 @@
 # Deploy to Amazon EC2 using CloudFormation
 
-*Read this in other languages: [English](README.md), [简体中文](README-zh.md).*
+*Read this in other languages: [English](README.md), [简体中文](README-zh.md). Have a suggestion? <a href="https://blog.ls20.com/vpnfeedback" target="_blank">Submit feedback</a>.*
 
 This template will create a fully-working IPsec VPN server on Amazon Elastic Compute Cloud (Amazon EC2). Please make sure to check the EC2 [pricing details](https://aws.amazon.com/ec2/pricing/on-demand/) before continuing. Using a `t2.micro` server instance for your deployment may qualify for the [AWS Free Tier](https://aws.amazon.com/free/).
 

azure/README-zh.md

@@ -1,6 +1,6 @@
 # 在 Microsoft Azure 上部署
 
-*其他语言版本: [English](README.md), [简体中文](README-zh.md).*
+*其他语言版本: [English](README.md), [简体中文](README-zh.md)。如果你有改进建议，可以在<a href="https://blog.ls20.com/vpnfeedback" target="_blank">这里</a>提交。*
 
 使用这个模板，你可以在 Microsoft Azure Cloud 上快速搭建一个 VPN 服务器 （[定价细节](https://azure.microsoft.com/zh-cn/pricing/details/virtual-machines/)）。
 

azure/README.md

@@ -1,6 +1,6 @@
 # Deploy to Microsoft Azure
 
-*Read this in other languages: [English](README.md), [简体中文](README-zh.md).*
+*Read this in other languages: [English](README.md), [简体中文](README-zh.md). Have a suggestion? <a href="https://blog.ls20.com/vpnfeedback" target="_blank">Submit feedback</a>.*
 
 This template will create a fully working VPN server on the Microsoft Azure Cloud ([pricing details](https://azure.microsoft.com/en-us/pricing/details/virtual-machines/)).
 

docs/advanced-usage-zh.md

@@ -1,6 +1,6 @@
 # 高级用法
 
-*其他语言版本: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md).*
+*其他语言版本: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md)。如果你有改进建议，可以在<a href="https://blog.ls20.com/vpnfeedback" target="_blank">这里</a>提交。*
 
 * [使用其他的 DNS 服务器](#使用其他的-dns-服务器)
 * [域名和更改服务器 IP](#域名和更改服务器-ip)

docs/advanced-usage.md

@@ -1,6 +1,6 @@
 # Advanced Usage
 
-*Read this in other languages: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md).*
+*Read this in other languages: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md). Have a suggestion? <a href="https://blog.ls20.com/vpnfeedback" target="_blank">Submit feedback</a>.*
 
 * [Use alternative DNS servers](#use-alternative-dns-servers)
 * [DNS name and server IP changes](#dns-name-and-server-ip-changes)

docs/clients-xauth-zh.md

@@ -1,6 +1,6 @@
 # 配置 IPsec/XAuth VPN 客户端
 
-*其他语言版本: [English](clients-xauth.md), [简体中文](clients-xauth-zh.md).*
+*其他语言版本: [English](clients-xauth.md), [简体中文](clients-xauth-zh.md)。如果你有改进建议，可以在<a href="https://blog.ls20.com/vpnfeedback" target="_blank">这里</a>提交。*
 
 **注：** 你也可以使用 [IKEv2](ikev2-howto-zh.md)（推荐）或者 [IPsec/L2TP](clients-zh.md) 模式连接。
 

docs/clients-xauth.md

@@ -1,6 +1,6 @@
 # Configure IPsec/XAuth VPN Clients
 
-*Read this in other languages: [English](clients-xauth.md), [简体中文](clients-xauth-zh.md).*
+*Read this in other languages: [English](clients-xauth.md), [简体中文](clients-xauth-zh.md). Have a suggestion? <a href="https://blog.ls20.com/vpnfeedback" target="_blank">Submit feedback</a>.*
 
 **Note:** You may also connect using [IKEv2](ikev2-howto.md) (recommended) or [IPsec/L2TP](clients.md) mode.