diff --git a/README-zh.md b/README-zh.md
index b0225407..b042c5a5 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -210,7 +210,7 @@ docker cp ipsec-vpn-server:/etc/ipsec.d/vpn-gen.env ./
 
 ## 重要提示
 
-*其他语言版本: [English](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README.md#important-notes), [简体中文](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md#重要提示)。如果你有意见或建议，请[发送反馈](https://bit.ly/vpn-feedback)。*
+*其他语言版本: [English](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README.md#important-notes), [简体中文](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md#重要提示)。*
 
 **Windows 用户** 对于 IPsec/L2TP 模式，在首次连接之前需要 [修改注册表](https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/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。
 
@@ -240,7 +240,7 @@ Status: Image is up to date for hwdsl2/ipsec-vpn-server:latest
 
 ## 配置并使用 IKEv2 VPN
 
-*其他语言版本: [English](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README.md#configure-and-use-ikev2-vpn), [简体中文](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md#配置并使用-ikev2-vpn)。如果你有意见或建议，请[发送反馈](https://bit.ly/vpn-feedback)。*
+*其他语言版本: [English](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README.md#configure-and-use-ikev2-vpn), [简体中文](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md#配置并使用-ikev2-vpn)。*
 
 IKEv2 模式是比 IPsec/L2TP 和 IPsec/XAuth ("Cisco IPsec") 更佳的连接模式，该模式无需 IPsec PSK, 用户名或密码。更多信息请看[这里](https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/ikev2-howto-zh.md)。
 
diff --git a/README.md b/README.md
index 9bcd075e..2ebdbbb7 100644
--- a/README.md
+++ b/README.md
@@ -210,7 +210,7 @@ Enjoy your very own VPN!
 
 ## Important notes
 
-*Read this in other languages: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示). Have a comment or suggestion? [Send feedback](https://bit.ly/vpn-feedback).*
+*Read this in other languages: [English](README.md#important-notes), [简体中文](README-zh.md#重要提示).*
 
 **Windows users**: For IPsec/L2TP mode, a [one-time registry change](https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/clients.md#windows-error-809) is required if the VPN server or client is behind NAT (e.g. home router).
 
@@ -240,7 +240,7 @@ Otherwise, it will download the latest version. To update your Docker container,
 
 ## Configure and use IKEv2 VPN
 
-*Read this in other languages: [English](README.md#configure-and-use-ikev2-vpn), [简体中文](README-zh.md#配置并使用-ikev2-vpn). Have a comment or suggestion? [Send feedback](https://bit.ly/vpn-feedback).*
+*Read this in other languages: [English](README.md#configure-and-use-ikev2-vpn), [简体中文](README-zh.md#配置并使用-ikev2-vpn).*
 
 IKEv2 mode has improvements over IPsec/L2TP and IPsec/XAuth ("Cisco IPsec"), and does not require an IPsec PSK, username or password. Read more [here](https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/ikev2-howto.md).
 
diff --git a/docs/advanced-usage-zh.md b/docs/advanced-usage-zh.md
index 79d00a3a..84efe8fe 100644
--- a/docs/advanced-usage-zh.md
+++ b/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)。如果你有意见或建议，请[发送反馈](https://bit.ly/vpn-feedback)。*
+*其他语言版本: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md)。*
 
 - [使用其他的 DNS 服务器](#使用其他的-dns-服务器)
 - [不启用 privileged 模式运行](#不启用-privileged-模式运行)
diff --git a/docs/advanced-usage.md b/docs/advanced-usage.md
index 1306bfbd..6516da93 100644
--- a/docs/advanced-usage.md
+++ b/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). Have a comment or suggestion? [Send feedback](https://bit.ly/vpn-feedback).*
+*Read this in other languages: [English](advanced-usage.md), [简体中文](advanced-usage-zh.md).*
 
 - [Use alternative DNS servers](#use-alternative-dns-servers)
 - [Run without privileged mode](#run-without-privileged-mode)