diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index 8f52906..d1e2875 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -366,13 +366,8 @@ then
     echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf > /dev/null
     chattr +i /etc/resolv.conf
 fi
-if [[ -n "${CN}" ]]; then
-   wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.sh -O /usr/local/bin/check-dns.sh
-   wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.service -O /etc/systemd/system/check-dns.service
-else
-   wget https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.sh -O /usr/local/bin/check-dns.sh
-   wget https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.service -O /etc/systemd/system/check-dns.service
-fi
+wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.sh -O /usr/local/bin/check-dns.sh
+wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/scripts/check-dns.service -O /etc/systemd/system/check-dns.service
 chmod +x /usr/local/bin/check-dns.sh
 chmod +x /etc/systemd/system/check-dns.service
 systemctl daemon-reload