diff --git a/src/functions.sh b/src/functions.sh
index dd0c346..dfe52bb 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -24,29 +24,71 @@ apt_repo() {
     apt_key_url=$2
     apt_key_path=/usr/share/keyrings/${apt_name}.gpg
     apt_repo_url=$3
+    apt_suites=$4
+    apt_components=$5
+    tmp_key_file=$(mktemp)
+    if ! curl -fsSL -o "${tmp_key_file}" "${apt_key_url}"; then
+        echo "❌ Fehler beim Herunterladen des Schlüssels."
+        rm -f "${tmp_key_file}"
+        exit 1
+    fi
+    if file "${tmp_key_file}" | grep -q "ASCII"; then
+        echo "🔍 Format erkannt: ASCII. Konvertiere den Schlüssel..."
+        # Wenn es ASCII ist, konvertiere es mit --dearmor
+        if sudo gpg --dearmor -o "${apt_key_path}" "${tmp_key_file}"; then
+            echo "✅ Schlüssel erfolgreich nach ${apt_key_path} konvertiert."
+        else
+            echo "❌ Fehler bei der Konvertierung des ASCII-Schlüssels."
+            rm -f "${tmp_key_file}" # Temporäre Datei aufräumen
+            exit 1
+        fi
+    else
+        echo "🔍 Format erkannt: Binär. Kopiere den Schlüssel direkt..."
+        # Wenn es kein ASCII ist, gehen wir von Binär aus und verschieben die Datei
+        if sudo mv "${tmp_key_file}" "${apt_key_path}"; then
+            echo "✅ Schlüssel erfolgreich nach ${apt_key_path} kopiert."
+        else
+            echo "❌ Fehler beim Kopieren des binären Schlüssels."
+            rm -f "${tmp_key_file}"
+            exit 1
+        fi
+    fi
 
-    wget -q -O - ${apt_key_url} | gpg --dearmor -o ${apt_key_path}
-    echo "deb [signed-by=${apt_key_path}] ${apt_repo_url}" > /etc/apt/sources.list.d/${apt_name}.list
+    if [[ $(lsb_release -r | cut -f2) -gt 12 ]]; then
+        cat << EOF > /etc/apt/sources.list.d/${apt_name}.sources
+Types: deb
+URIs: $apt_repo_url
+Suites: $apt_suites
+Components: $apt_components
+Enabled: yes
+Signed-By: $apt_key_path
+EOF
+    else
+        echo "deb [signed-by=${apt_key_path}] ${apt_repo_url} ${apt_suites} ${apt_components}" > /etc/apt/sources.list.d/${apt_name}.list
+    fi
 }
+
 #### Set repo and install Nginx ####
 inst_nginx() {
-    apt_repo "nginx" "https://nginx.org/keys/nginx_signing.key" "http://nginx.org/packages/mainline/debian $(lsb_release -cs) nginx"
+    apt_repo "nginx" "https://nginx.org/keys/nginx_signing.key" "http://nginx.org/packages/mainline/debian" "$(lsb_release -cs)" "nginx"
     apt update && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq --no-install-recommends nginx
 }
+
 #### Set repo and install PHP ####
 inst_php() {
-    curl -sSLo /usr/share/keyrings/sury_php.gpg https://packages.sury.org/php/apt.gpg
-    echo "deb [signed-by=/usr/share/keyrings/sury_php.gpg] https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/sury_php.list
+    apt_repo "php" "https://packages.sury.org/php/apt.gpg" "https://packages.sury.org/php/" "$(lsb_release -sc)" "main"
     apt update && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq --no-install-recommends php-common php$NEXTCLOUD_PHP_VERSION-{fpm,gd,curl,pgsql,xml,zip,intl,mbstring,bz2,ldap,apcu,bcmath,gmp,imagick,igbinary,mysql,redis,smbclient,sqlite3,cli,common,opcache,readline}
 }
+
 #### Set repo and install Postgresql ####
 inst_postgresql() {
-    apt_repo "postgresql" "https://www.postgresql.org/media/keys/ACCC4CF8.asc" "http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main"
+    apt_repo "postgresql" "https://www.postgresql.org/media/keys/ACCC4CF8.asc" "http://apt.postgresql.org/pub/repos/apt" "$(lsb_release -cs)-pgdg" "main"
     apt update && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq --no-install-recommends postgresql-$POSTGRES_VERSION
 }
+
 #### Set repo and install Crowdsec ####
 inst_crowdsec() {
-    apt_repo "crowdsec" "https://packagecloud.io/crowdsec/crowdsec/gpgkey" " https://packagecloud.io/crowdsec/crowdsec/any any main"
+    apt_repo "crowdsec" "https://packagecloud.io/crowdsec/crowdsec/gpgkey" "https://packagecloud.io/crowdsec/crowdsec/any" "any" "main"
     apt update && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq --no-install-recommends crowdsec
     DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq --no-install-recommends crowdsec-firewall-bouncer-nftables
 }