diff --git a/README-zh.md b/README-zh.md
index d800274..83d1bd6 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -297,7 +297,7 @@ sudo bash /opt/src/ikev2.sh --auto
 
 ## 升级Libreswan
 
-在 <a href="extras/" target="_blank">extras/</a> 目录提供额外的脚本，可用于升级 <a href="https://libreswan.org" target="_blank">Libreswan</a>（<a href="https://github.com/libreswan/libreswan/blob/master/CHANGES" target="_blank">更新日志</a> | <a href="https://lists.libreswan.org/mailman/listinfo/swan-announce" target="_blank">通知列表</a>）。请在运行前根据需要修改 `SWAN_VER` 变量。目前支持的最新版本是 `4.3`。查看已安装版本：`ipsec --version`。
+在 <a href="extras/" target="_blank">extras/</a> 目录提供额外的脚本，可用于升级 <a href="https://libreswan.org" target="_blank">Libreswan</a>（<a href="https://github.com/libreswan/libreswan/blob/master/CHANGES" target="_blank">更新日志</a> | <a href="https://lists.libreswan.org/mailman/listinfo/swan-announce" target="_blank">通知列表</a>）。请在运行前根据需要修改 `SWAN_VER` 变量。目前支持的最新版本是 `4.4`。查看已安装版本：`ipsec --version`。
 
 <details open>
 <summary>
@@ -305,7 +305,7 @@ Ubuntu & Debian
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
@@ -315,7 +315,7 @@ CentOS & RHEL
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade-centos -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade-centos -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
@@ -325,7 +325,7 @@ Amazon Linux 2
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade-amzn -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade-amzn -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
diff --git a/README.md b/README.md
index fe5370b..c2a617b 100644
--- a/README.md
+++ b/README.md
@@ -297,7 +297,7 @@ The scripts will backup existing config files before making changes, with `.old-
 
 ## Upgrade Libreswan
 
-The additional scripts in <a href="extras/" target="_blank">extras/</a> can be used to upgrade <a href="https://libreswan.org" target="_blank">Libreswan</a> (<a href="https://github.com/libreswan/libreswan/blob/master/CHANGES" target="_blank">changelog</a> | <a href="https://lists.libreswan.org/mailman/listinfo/swan-announce" target="_blank">announce</a>). Edit the `SWAN_VER` variable as necessary. The latest supported version is `4.3`. Check which version is installed: `ipsec --version`.
+The additional scripts in <a href="extras/" target="_blank">extras/</a> can be used to upgrade <a href="https://libreswan.org" target="_blank">Libreswan</a> (<a href="https://github.com/libreswan/libreswan/blob/master/CHANGES" target="_blank">changelog</a> | <a href="https://lists.libreswan.org/mailman/listinfo/swan-announce" target="_blank">announce</a>). Edit the `SWAN_VER` variable as necessary. The latest supported version is `4.4`. Check which version is installed: `ipsec --version`.
 
 <details open>
 <summary>
@@ -305,7 +305,7 @@ Ubuntu & Debian
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
@@ -315,7 +315,7 @@ CentOS & RHEL
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade-centos -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade-centos -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
@@ -325,7 +325,7 @@ Amazon Linux 2
 </summary>
 
 ```bash
-wget https://git.io/vpnupgrade-amzn -O vpnupgrade.sh && sudo sh vpnupgrade.sh
+wget https://git.io/vpnupgrade-amzn -O vpnup.sh && sudo sh vpnup.sh
 ```
 </details>
 
diff --git a/docs/ikev2-howto-zh.md b/docs/ikev2-howto-zh.md
index 99683c7..14f8157 100644
--- a/docs/ikev2-howto-zh.md
+++ b/docs/ikev2-howto-zh.md
@@ -555,7 +555,6 @@ sudo chmod 600 ikev2vpnca.cer vpnclient.cer vpnclient.key
      ikev2=insist
      rekey=no
      pfs=no
-     fragmentation=yes
      ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1024,aes128-sha1;modp1024
      phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes128-sha2,aes256-sha2
      ikelifetime=24h
diff --git a/docs/ikev2-howto.md b/docs/ikev2-howto.md
index 42446b6..cfdb115 100644
--- a/docs/ikev2-howto.md
+++ b/docs/ikev2-howto.md
@@ -557,7 +557,6 @@ The following example shows how to manually configure IKEv2 with Libreswan. Comm
      ikev2=insist
      rekey=no
      pfs=no
-     fragmentation=yes
      ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1024,aes128-sha1;modp1024
      phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes128-sha2,aes256-sha2
      ikelifetime=24h