diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 72b5161..4115a31 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -92,10 +92,21 @@ jobs:
           diff vpnupgrade_alpine2.sh ../extras/vpnupgrade_alpine.sh
           diff vpnuninstall2.sh      ../extras/vpnuninstall.sh
 
+          url1="https://mirrors.kernel.org/ubuntu/pool/main/n/nss"
+          url2="https://mirrors.kernel.org/ubuntu/pool/universe/n/nss"
+          deb1="libnss3_3.49.1-1ubuntu1.6_amd64.deb"
+          deb2="libnss3-dev_3.49.1-1ubuntu1.6_amd64.deb"
+          deb3="libnss3-tools_3.49.1-1ubuntu1.6_amd64.deb"
+
+          $wg 1.deb "$url1/$deb1"
+          $wg 2.deb "$url1/$deb2"
+          $wg 3.deb "$url2/$deb3"
+
           bl="https://bit.ly"
           curl -fsSI "$bl/addvpnuser"     | grep -q 'add_vpn_user.sh'
           curl -fsSI "$bl/delvpnuser"     | grep -q 'del_vpn_user.sh'
           curl -fsSI "$bl/updatevpnusers" | grep -q 'update_vpn_users.sh'
+          curl -fsSI "$bl/ikev2onlymode"  | grep -q 'ikev2onlymode.sh'
 
   test_set_1:
     needs: check_urls
@@ -103,7 +114,7 @@ jobs:
     if: github.repository_owner == 'hwdsl2'
     strategy:
       matrix:
-        os_version: ["centos:8", "centos:8s", "centos:7", "rockylinux:8", "almalinux:8", "amazonlinux:2"]
+        os_version: ["centos:8s", "centos:7", "rockylinux:8", "almalinux:8", "amazonlinux:2"]
       fail-fast: false
     env:
       OS_VERSION: ${{ matrix.os_version }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5517add..9f2927b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -121,10 +121,21 @@ jobs:
           diff vpnupgrade_alpine2.sh ../extras/vpnupgrade_alpine.sh
           diff vpnuninstall2.sh      ../extras/vpnuninstall.sh
 
+          url1="https://mirrors.kernel.org/ubuntu/pool/main/n/nss"
+          url2="https://mirrors.kernel.org/ubuntu/pool/universe/n/nss"
+          deb1="libnss3_3.49.1-1ubuntu1.6_amd64.deb"
+          deb2="libnss3-dev_3.49.1-1ubuntu1.6_amd64.deb"
+          deb3="libnss3-tools_3.49.1-1ubuntu1.6_amd64.deb"
+
+          $wg 1.deb "$url1/$deb1"
+          $wg 2.deb "$url1/$deb2"
+          $wg 3.deb "$url2/$deb3"
+
           bl="https://bit.ly"
           curl -fsSI "$bl/addvpnuser"     | grep -q 'add_vpn_user.sh'
           curl -fsSI "$bl/delvpnuser"     | grep -q 'del_vpn_user.sh'
           curl -fsSI "$bl/updatevpnusers" | grep -q 'update_vpn_users.sh'
+          curl -fsSI "$bl/ikev2onlymode"  | grep -q 'ikev2onlymode.sh'
 
   test_set_1:
     needs: [shellcheck, check_urls]
@@ -132,7 +143,7 @@ jobs:
     if: github.repository_owner == 'hwdsl2'
     strategy:
       matrix:
-        os_version: ["centos:8", "centos:8s", "centos:7", "rockylinux:8", "almalinux:8", "amazonlinux:2"]
+        os_version: ["centos:8s", "centos:7", "rockylinux:8", "almalinux:8", "amazonlinux:2"]
       fail-fast: false
     env:
       OS_VERSION: ${{ matrix.os_version }}