diff --git a/Linux_reinstall/InstallNET.sh b/Linux_reinstall/InstallNET.sh
index 062d1c5..671b4cc 100644
--- a/Linux_reinstall/InstallNET.sh
+++ b/Linux_reinstall/InstallNET.sh
@@ -2479,14 +2479,14 @@ function DebianModifiedPreseed() {
 # Set China DNS server from Tencent Cloud and Alibaba Cloud permanently.
       [[ "$setDns" == "1" ]] && SetDNS="CNResolvHead" DnsChangePermanently="$1 mkdir -p /etc/resolvconf/resolv.conf.d/; $1 wget --no-check-certificate -qO /etc/resolvconf/resolv.conf.d/head '${debianConfFileDirCn}/network/${SetDNS}';" || DnsChangePermanently=""
 # Modify logging in welcome information(Message Of The Day) of Debian and make it more pretty.
-      [[ "$setMotd" == "1" ]] && { ModifyMOTD="$1 rm -rf /etc/update-motd.d/ /etc/motd /run/motd.dynamic; $1 mkdir -p /etc/update-motd.d/; $1 wget --no-check-certificate -qO /etc/update-motd.d/00-header '${debianConfFileDirCn}/updatemotd/00-header'; $1 wget --no-check-certificate -qO /etc/update-motd.d/10-sysinfo '${debianConfFileDirCn}/updatemotd/10-sysinfo'; $1 wget --no-check-certificate -qO /etc/update-motd.d/90-footer '${debianConfFileDirCn}/updatemotd/90-footer'; $1 chmod +x /etc/update-motd.d/00-header; $1 chmod +x /etc/update-motd.d/10-sysinfo; $1 chmod +x /etc/update-motd.d/90-footer;"; ChangeDigDnsForMotd="$1 sed -ri 's/1.1.1.1/1.0.0.3/g' /etc/update-motd.d/10-sysinfo; $1 sed -ri 's/1111/1003/g' /etc/update-motd.d/10-sysinfo;"; } || ModifyMOTD=""
+      [[ "$setMotd" == "1" ]] && ModifyMOTD="$1 rm -rf /etc/update-motd.d/ /etc/motd /run/motd.dynamic; $1 mkdir -p /etc/update-motd.d/; $1 wget --no-check-certificate -qO /etc/update-motd.d/00-header '${debianConfFileDirCn}/updatemotd/00-header'; $1 wget --no-check-certificate -qO /etc/update-motd.d/10-sysinfo '${debianConfFileDirCn}/updatemotd/10-sysinfo'; $1 wget --no-check-certificate -qO /etc/update-motd.d/90-footer '${debianConfFileDirCn}/updatemotd/90-footer'; $1 chmod +x /etc/update-motd.d/00-header; $1 chmod +x /etc/update-motd.d/10-sysinfo; $1 chmod +x /etc/update-motd.d/90-footer;" || ModifyMOTD=""
 # Change "security.debian.org" to "mirrors.tuna.tsinghua.edu.cn". Reference: https://mirrors.tuna.tsinghua.edu.cn/help/debian/
       ChangeSecurityMirror="$1 sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list;"
     else
       ChangeBashrc="$1 rm -rf /root/.bashrc; $1 wget --no-check-certificate -qO /root/.bashrc '${debianConfFileDir}/.bashrc';"
 # Set DNS server from Cloudflare and Google permanently.
       [[ "$setDns" == "1" ]] && SetDNS="NomalResolvHead" DnsChangePermanently="$1 mkdir -p /etc/resolvconf/resolv.conf.d/; $1 wget --no-check-certificate -qO /etc/resolvconf/resolv.conf.d/head '${debianConfFileDir}/network/${SetDNS}';" || DnsChangePermanently=""
-      [[ "$setMotd" == "1" ]] && { ModifyMOTD="$1 rm -rf /etc/update-motd.d/ /etc/motd /run/motd.dynamic; $1 mkdir -p /etc/update-motd.d/; $1 wget --no-check-certificate -qO /etc/update-motd.d/00-header '${debianConfFileDir}/updatemotd/00-header'; $1 wget --no-check-certificate -qO /etc/update-motd.d/10-sysinfo '${debianConfFileDir}/updatemotd/10-sysinfo'; $1 wget --no-check-certificate -qO /etc/update-motd.d/90-footer '${debianConfFileDir}/updatemotd/90-footer'; $1 chmod +x /etc/update-motd.d/00-header; $1 chmod +x /etc/update-motd.d/10-sysinfo; $1 chmod +x /etc/update-motd.d/90-footer;"; ChangeDigDnsForMotd=""; } || ModifyMOTD=""
+      [[ "$setMotd" == "1" ]] && ModifyMOTD="$1 rm -rf /etc/update-motd.d/ /etc/motd /run/motd.dynamic; $1 mkdir -p /etc/update-motd.d/; $1 wget --no-check-certificate -qO /etc/update-motd.d/00-header '${debianConfFileDir}/updatemotd/00-header'; $1 wget --no-check-certificate -qO /etc/update-motd.d/10-sysinfo '${debianConfFileDir}/updatemotd/10-sysinfo'; $1 wget --no-check-certificate -qO /etc/update-motd.d/90-footer '${debianConfFileDir}/updatemotd/90-footer'; $1 chmod +x /etc/update-motd.d/00-header; $1 chmod +x /etc/update-motd.d/10-sysinfo; $1 chmod +x /etc/update-motd.d/90-footer;" || ModifyMOTD=""
       ChangeSecurityMirror=""
     fi
 # For multiple interfaces environment, if the interface which is configurated by "auto", regardless of it is plugged by internet cable, 
@@ -2569,7 +2569,7 @@ function DebianModifiedPreseed() {
     CreateSoftLinkToGrub2FromGrub1="$1 ln -s /boot/grub/ /boot/grub2;"
 # Statement of "grub-pc/timeout" in "preseed.cfg" is only valid for BIOS.
     [[ "$EfiSupport" == "enabled" ]] && SetGrubTimeout="$1 sed -ri 's/GRUB_TIMEOUT=5/GRUB_TIMEOUT=3/g' /etc/default/grub; $1 sed -ri 's/set timeout=5/set timeout=3/g' /boot/grub/grub.cfg;" || SetGrubTimeout=""
-    export DebianModifiedProcession="${AptUpdating} ${InstallComponents} ${DisableCertExpiredCheck} ${ChangeBashrc} ${VimSupportCopy} ${VimIndentEolStart} ${DnsChangePermanently} ${ModifyMOTD} ${ChangeDigDnsForMotd} ${ChangeSecurityMirror} ${BurnIrregularIpv4Gate} ${BurnIrregularIpv6Gate} ${SupportIPv6orIPv4} ${ReplaceActualIpPrefix} ${AutoPlugInterfaces} ${EnableSSH} ${ReviseMOTD} ${SupportZSH} ${EnableFail2ban} ${CreateSoftLinkToGrub2FromGrub1} ${SetGrubTimeout}"
+    export DebianModifiedProcession="${AptUpdating} ${InstallComponents} ${DisableCertExpiredCheck} ${ChangeBashrc} ${VimSupportCopy} ${VimIndentEolStart} ${DnsChangePermanently} ${ModifyMOTD} ${ChangeSecurityMirror} ${BurnIrregularIpv4Gate} ${BurnIrregularIpv6Gate} ${SupportIPv6orIPv4} ${ReplaceActualIpPrefix} ${AutoPlugInterfaces} ${EnableSSH} ${ReviseMOTD} ${SupportZSH} ${EnableFail2ban} ${CreateSoftLinkToGrub2FromGrub1} ${SetGrubTimeout}"
   fi
 }