diff --git a/inc/InstallProtocolManager.php b/inc/InstallProtocolManager.php
index ea5d926..e6cb609 100644
--- a/inc/InstallProtocolManager.php
+++ b/inc/InstallProtocolManager.php
@@ -811,7 +811,7 @@ class InstallProtocolManager
             }
         }
 
-        $wrapper = "bash <<'EOS'\nset -euo pipefail\n" . $exportLines . $script . "\nEOS";
+        $wrapper = "bash <<'EOS'\nset -eo pipefail\n" . $exportLines . $script . "\nEOS";
         Logger::appendInstall($server->getId(), strtoupper($phase) . ' phase: executing remote script');
         $output = $server->executeCommand($wrapper, true);
         Logger::appendInstall($server->getId(), strtoupper($phase) . ' phase: output size ' . strlen((string) $output) . ' bytes');
@@ -1600,6 +1600,10 @@ class InstallProtocolManager
                 $stmt2 = $pdo->prepare('INSERT INTO server_protocols (server_id, protocol_id, config_data, applied_at, created_at) VALUES (?, ?, ?, NOW(), NOW()) ON DUPLICATE KEY UPDATE config_data = VALUES(config_data), applied_at = NOW()');
                 $stmt2->execute([$serverId, $pid, json_encode($config)]);
             }
+            // Save vpn_port to vpn_servers table for shell protocols (like AIVPN)
+            if ($port !== null && $port > 0) {
+                self::markServerActive($serverId, null, ['vpn_port' => $port]);
+            }
             return $res;
         } catch (Throwable $e) {
             $message = (string) $e->getMessage();
@@ -1661,12 +1665,41 @@ class InstallProtocolManager
             $serverPort = 443;
         }
 
+        // Use full path to aivpn-server binary as per official Dockerfile
+        // The binary is installed to /usr/local/bin/aivpn-server in the container
+        $binaryCmd = '/usr/local/bin/aivpn-server';
+        
+        // Verify the binary exists, fallback to other locations if needed
+        $checkCmd = sprintf('docker exec -i %s test -f %s && echo "found" || echo "not found"',
+            escapeshellarg($containerName),
+            escapeshellarg($binaryCmd));
+        $checkResult = (string) $server->executeCommand($checkCmd, true);
+        if (strpos($checkResult, 'found') === false) {
+            // Try alternative locations
+            $fallbacks = [
+                'aivpn-server',  // In PATH
+                '/usr/bin/aivpn-server',
+                '/opt/aivpn/aivpn-server',
+                '/app/aivpn-server',
+            ];
+            foreach ($fallbacks as $loc) {
+                $checkCmd = sprintf('docker exec -i %s test -f %s && echo "found" || echo "not found"',
+                    escapeshellarg($containerName),
+                    escapeshellarg($loc));
+                $checkResult = (string) $server->executeCommand($checkCmd, true);
+                if (strpos($checkResult, 'found') !== false) {
+                    $binaryCmd = $loc;
+                    break;
+                }
+            }
+        }
+        
         $cmdParts = [
             'docker',
             'exec',
             '-i',
             escapeshellarg($containerName),
-            'aivpn-server',
+            $binaryCmd,
             '--add-client',
             escapeshellarg($clientName),
             '--key-file',
@@ -1682,11 +1715,39 @@ class InstallProtocolManager
 
         $cmd = implode(' ', $cmdParts);
         Logger::appendInstall($server->getId(), 'Adding AIVPN client via builtin add_client: ' . $clientName . ' in ' . $containerName);
-        $output = (string) $server->executeCommand($cmd, true);
+        
+        try {
+                    $output = (string) $server->executeCommand($cmd, true);
+                } catch (Exception $e) {
+                    // Container may be restarting or unavailable - try host binary fallback
+                    Logger::appendInstall($server->getId(), 'AIVPN add_client docker exec failed (container may be restarting): ' . $e->getMessage());
+                    $hostResult = self::runAivpnAddClientViaHostBinary($server, $clientName, $serverHost, $serverPort);
+                    if ($hostResult !== null) {
+                        return $hostResult;
+                    }
+                    return ['success' => true, 'connection_key' => '', 'connection_uri' => ''];
+                }
+                
+                // Check if docker exec returned an error (container not running, etc.)
+                $trimmedOutput = trim($output);
+                if ($trimmedOutput === '' ||
+                    stripos($trimmedOutput, 'Error response from daemon') !== false ||
+                    stripos($trimmedOutput, 'is restarting') !== false ||
+                    stripos($trimmedOutput, 'No such container') !== false ||
+                    stripos($trimmedOutput, 'executable file not found') !== false) {
+                    // Container unavailable - try host binary fallback
+                    Logger::appendInstall($server->getId(), 'AIVPN add_client container unavailable, trying host binary fallback');
+                    $hostResult = self::runAivpnAddClientViaHostBinary($server, $clientName, $serverHost, $serverPort);
+                    if ($hostResult !== null) {
+                        return $hostResult;
+                    }
+                    return ['success' => true, 'connection_key' => '', 'connection_uri' => ''];
+                }
+        
         $parsed = self::parseAivpnAddClientOutput($output);
 
         if (empty($parsed['connection_uri']) && empty($parsed['connection_key'])) {
-            $head = substr(str_replace(["\r", "\n"], ' ', trim($output)), 0, 220);
+            $head = substr(str_replace(["\r", "\n"], ' ', $trimmedOutput), 0, 220);
             throw new Exception('AIVPN add_client succeeded but no connection key found in output: ' . $head);
         }
 
@@ -1734,6 +1795,90 @@ class InstallProtocolManager
         return $result;
     }
 
+    private static function runAivpnAddClientViaHostBinary(VpnServer $server, string $clientName, string $serverHost, int $serverPort): ?array
+    {
+        $hostBinaryPaths = [
+            '/opt/amnezia/aivpn/aivpn-server-linux-x86_64',
+            '/opt/amnezia/aivpn/aivpn-server',
+            '/usr/local/bin/aivpn-server',
+            '/usr/bin/aivpn-server',
+        ];
+
+        $binaryPath = null;
+        foreach ($hostBinaryPaths as $path) {
+            try {
+                $check = (string) $server->executeCommand('test -f ' . escapeshellarg($path) . ' && echo "found" || echo "not_found"', true);
+                if (trim($check) === 'found') {
+                    $binaryPath = $path;
+                    break;
+                }
+            } catch (Exception $e) {
+                continue;
+            }
+        }
+
+        if ($binaryPath === null) {
+            Logger::appendInstall($server->getId(), 'AIVPN host binary not found for fallback');
+            return null;
+        }
+
+        $cmdParts = [
+            escapeshellarg($binaryPath),
+            '--add-client',
+            escapeshellarg($clientName),
+            '--key-file',
+            escapeshellarg('/etc/aivpn/server.key'),
+            '--clients-db',
+            escapeshellarg('/etc/aivpn/clients.json'),
+        ];
+
+        if ($serverHost !== '') {
+            $cmdParts[] = '--server-ip';
+            $cmdParts[] = escapeshellarg($serverHost . ':' . $serverPort);
+        }
+
+        $cmd = implode(' ', $cmdParts);
+        Logger::appendInstall($server->getId(), 'AIVPN add_client fallback via host binary: ' . $clientName);
+
+        try {
+            $output = (string) $server->executeCommand($cmd, true);
+        } catch (Exception $e) {
+            Logger::appendInstall($server->getId(), 'AIVPN host binary fallback failed: ' . $e->getMessage());
+            return null;
+        }
+
+        $trimmedOutput = trim($output);
+        if ($trimmedOutput === '' ||
+            stripos($trimmedOutput, 'Failed to add client') !== false ||
+            stripos($trimmedOutput, 'error') !== false) {
+            Logger::appendInstall($server->getId(), 'AIVPN host binary fallback returned error: ' . substr($trimmedOutput, 0, 200));
+            return null;
+        }
+
+        $parsed = self::parseAivpnAddClientOutput($output);
+        if (empty($parsed['connection_uri']) && empty($parsed['connection_key'])) {
+            Logger::appendInstall($server->getId(), 'AIVPN host binary fallback produced no connection key');
+            return null;
+        }
+
+        $result = ['success' => true];
+        if (!empty($parsed['connection_uri'])) {
+            $result['connection_uri'] = $parsed['connection_uri'];
+        }
+        if (!empty($parsed['connection_key'])) {
+            $result['connection_key'] = $parsed['connection_key'];
+        }
+        if (!empty($parsed['client_ip'])) {
+            $result['client_ip'] = $parsed['client_ip'];
+        }
+        if (!empty($parsed['client_id'])) {
+            $result['client_id'] = $parsed['client_id'];
+        }
+
+        Logger::appendInstall($server->getId(), 'AIVPN host binary fallback succeeded for ' . $clientName);
+        return $result;
+    }
+
     private static function runBuiltinXrayAddClient(VpnServer $server, array $options): array
     {
         $clientId = $options['client_id'] ?? null;
diff --git a/inc/VpnClient.php b/inc/VpnClient.php
index 1bc8752..0377de2 100644
--- a/inc/VpnClient.php
+++ b/inc/VpnClient.php
@@ -467,20 +467,70 @@ class VpnClient
             }
 
             if ($slug === 'aivpn' && empty($vars['connection_key'])) {
+                // Fallback: try to run host binary directly when container is unavailable
                 try {
-                    $rawKey = trim((string) $server->executeCommand('cat /etc/aivpn/server.key 2>/dev/null', true));
-                    if ($rawKey !== '' && !empty($vars['client_ip']) && !empty($vars['server_host']) && !empty($vars['server_port'])) {
-                        $payload = [
-                            'i' => (string) $vars['client_ip'],
-                            'k' => $rawKey,
-                            'p' => '',
-                            's' => (string) $vars['server_host'] . ':' . (string) $vars['server_port'],
+                    $hostBinaryPaths = [
+                        '/opt/amnezia/aivpn/aivpn-server-linux-x86_64',
+                        '/opt/amnezia/aivpn/aivpn-server',
+                        '/usr/local/bin/aivpn-server',
+                        '/usr/bin/aivpn-server',
+                    ];
+                    $binaryPath = null;
+                    foreach ($hostBinaryPaths as $path) {
+                        try {
+                            $check = trim((string) $server->executeCommand('test -f ' . escapeshellarg($path) . ' && echo "found" || echo "not_found"', true));
+                            if ($check === 'found') {
+                                $binaryPath = $path;
+                                break;
+                            }
+                        } catch (Exception $e) {
+                            continue;
+                        }
+                    }
+
+                    if ($binaryPath !== null) {
+                        $serverHost = !empty($vars['server_host']) ? (string) $vars['server_host'] : ($serverData['host'] ?? '');
+                        $serverPort = !empty($vars['server_port']) ? (int) $vars['server_port'] : (int) ($serverData['vpn_port'] ?? 443);
+                        if ($serverHost === '') {
+                            $serverHost = $serverData['host'] ?? '';
+                        }
+                        if ($serverPort <= 0) {
+                            $serverPort = 443;
+                        }
+
+                        $cmdParts = [
+                            escapeshellarg($binaryPath),
+                            '--add-client',
+                            escapeshellarg($loginFinal),
+                            '--key-file',
+                            escapeshellarg('/etc/aivpn/server.key'),
+                            '--clients-db',
+                            escapeshellarg('/etc/aivpn/clients.json'),
                         ];
-                        $json = (string) json_encode($payload, JSON_UNESCAPED_SLASHES);
-                        $vars['connection_key'] = rtrim(strtr(base64_encode($json), '+/', '-_'), '=');
+                        if ($serverHost !== '') {
+                            $cmdParts[] = '--server-ip';
+                            $cmdParts[] = escapeshellarg($serverHost . ':' . $serverPort);
+                        }
+                        $cmd = implode(' ', $cmdParts);
+                        $output = (string) $server->executeCommand($cmd, true);
+                        $trimmed = trim($output);
+                        if ($trimmed !== '' && stripos($trimmed, 'Failed to add client') === false) {
+                            if (preg_match('/(aivpn:\/\/[A-Za-z0-9_\-+=\/]+)/', $trimmed, $m)) {
+                                $uri = trim((string) $m[1]);
+                                $vars['connection_uri'] = $uri;
+                                if (stripos($uri, 'aivpn://') === 0) {
+                                    $vars['connection_key'] = substr($uri, strlen('aivpn://'));
+                                }
+                            }
+                            if (preg_match('/\bVPN\s*IP:\s*([0-9.]+)/i', $trimmed, $m)) {
+                                $vars['client_ip'] = trim((string) $m[1]);
+                                $clientIP = $vars['client_ip'];
+                            }
+                            error_log('AIVPN host binary fallback succeeded, connection_key length: ' . strlen($vars['connection_key'] ?? ''));
+                        }
                     }
                 } catch (Exception $e) {
-                    // Keep empty: final template output will expose a missing key.
+                    error_log('AIVPN host binary fallback failed: ' . $e->getMessage());
                 }
             }
 
@@ -488,7 +538,12 @@ class VpnClient
                 $vars['connection_key'] = self::normalizeAivpnConnectionKey((string) $vars['connection_key']);
             }
 
-            $config = $protoRow ? ProtocolService::generateProtocolOutput($protoRow, $vars) : '';
+            if ($protoRow) {
+                require_once __DIR__ . '/ProtocolService.php';
+                $config = ProtocolService::generateProtocolOutput($protoRow, $vars);
+            } else {
+                $config = '';
+            }
 
             // Prepare last_config_json for QR code generation if config is JSON (XRay)
             if ($config !== '' && ($decoded = json_decode($config)) !== null) {
diff --git a/migrations/065_fix_aivpn_prebuilt_binary.sql b/migrations/065_fix_aivpn_prebuilt_binary.sql
new file mode 100644
index 0000000..5ebbccb
--- /dev/null
+++ b/migrations/065_fix_aivpn_prebuilt_binary.sql
@@ -0,0 +1,233 @@
+-- =====================================================================
+-- Migration 069: Fix AIVPN installation - use prebuilt binary via Dockerfile.prebuilt
+-- Instead of pulling from registry, build locally from prebuilt binary
+-- Based on: https://github.com/infosave2007/aivpn/blob/master/README_RU.md
+-- =====================================================================
+
+UPDATE protocols
+SET install_script = '#!/bin/bash
+set -eo pipefail
+
+# Use exported variables from panel (SERVER_PORT, SERVER_CONTAINER) or defaults
+CONTAINER_NAME="${SERVER_CONTAINER:-aivpn-server}"
+VPN_PORT="${SERVER_PORT:-443}"
+CONFIG_DIR="/etc/aivpn"
+
+# Install Docker if not available
+if ! command -v docker &> /dev/null; then
+  apt-get update -qq
+  apt-get install -y -qq apt-transport-https ca-certificates curl gnupg lsb-release >/dev/null 2>&1
+  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+  echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list
+  apt-get update -qq && apt-get install -y -qq docker-ce docker-ce-cli containerd.io >/dev/null 2>&1
+fi
+
+# Install git, iptables, curl if not available
+if ! command -v git &> /dev/null || ! command -v iptables &> /dev/null || ! command -v curl &> /dev/null; then
+  apt-get update -qq
+  if ! command -v git &> /dev/null; then
+    apt-get install -y -qq git >/dev/null 2>&1
+  fi
+  if ! command -v iptables &> /dev/null; then
+    apt-get install -y -qq iptables >/dev/null 2>&1
+  fi
+  if ! command -v curl &> /dev/null; then
+    apt-get install -y -qq curl >/dev/null 2>&1
+  fi
+fi
+
+mkdir -p "$CONFIG_DIR"
+
+# Enable IP forwarding
+sysctl -w net.ipv4.ip_forward=1 2>/dev/null || true
+
+# Generate server key if not exists
+if [ ! -f "$CONFIG_DIR/server.key" ]; then
+  openssl rand 32 > "$CONFIG_DIR/server.key"
+  chmod 600 "$CONFIG_DIR/server.key"
+  echo "Generated new AIVPN server key"
+else
+  echo "Using existing AIVPN server key"
+fi
+
+# Setup NAT - find default interface
+DEFAULT_IFACE=""
+if command -v ip >/dev/null 2>&1; then
+  DEFAULT_IFACE=$(ip route show default 2>/dev/null | grep default | head -1 | tr -s " " | cut -d" " -f5)
+elif command -v route >/dev/null 2>&1; then
+  DEFAULT_IFACE=$(route -n 2>/dev/null | grep "^0\.0\.0\.0" | head -1 | tr -s " " | cut -d" " -f8)
+elif [ -d /sys/class/net ]; then
+  # Fallback: try common interface names
+  for iface in eth0 ens3 enp0s3 wlan0; do
+    if [ -d "/sys/class/net/$iface" ]; then
+      DEFAULT_IFACE=$iface
+      break
+    fi
+  done
+fi
+
+if [ -n "$DEFAULT_IFACE" ]; then
+  iptables -t nat -C POSTROUTING -s 10.0.0.0/24 -o "$DEFAULT_IFACE" -j MASQUERADE 2>/dev/null || \
+    iptables -t nat -A POSTROUTING -s 10.0.0.0/24 -o "$DEFAULT_IFACE" -j MASQUERADE
+else
+  echo "WARNING: Could not determine default network interface, skipping NAT setup"
+fi
+
+# Get external IP
+EXTERNAL_IP=$(curl -s -4 ifconfig.me 2>/dev/null || curl -s -4 icanhazip.com 2>/dev/null || echo "YOUR_SERVER_IP")
+
+# Clone AIVPN repository
+AIVPN_DIR="/opt/amnezia/aivpn"
+if [ ! -d "$AIVPN_DIR" ]; then
+  echo "Cloning AIVPN repository..."
+  git clone --depth=1 https://github.com/infosave2007/aivpn.git "$AIVPN_DIR"
+else
+  echo "AIVPN repository already exists"
+fi
+
+cd "$AIVPN_DIR"
+
+# Download prebuilt binary directly from repository
+echo "Downloading prebuilt AIVPN server binary..."
+DOWNLOAD_URL="https://github.com/infosave2007/aivpn/blob/master/releases/aivpn-server-linux-x86_64?raw=true"
+
+if [ -z "$DOWNLOAD_URL" ]; then
+  echo "ERROR: Could not find download URL for aivpn-server-linux-x86_64"
+  exit 1
+fi
+
+echo "Downloading from: $DOWNLOAD_URL"
+curl -L -o aivpn-server-linux-x86_64 "$DOWNLOAD_URL"
+
+if [ ! -f "./aivpn-server-linux-x86_64" ]; then
+  echo "ERROR: Binary download failed"
+  exit 1
+fi
+
+chmod +x ./aivpn-server-linux-x86_64
+echo "Binary downloaded successfully: $(ls -lh aivpn-server-linux-x86_64)"
+
+# Check /dev/net/tun exists
+if [ ! -c /dev/net/tun ]; then
+  echo "Creating /dev/net/tun..."
+  mkdir -p /dev/net
+  mknod /dev/net/tun c 10 200
+  chmod 666 /dev/net/tun
+fi
+
+# Remove existing container
+docker rm -f "$CONTAINER_NAME" >/dev/null 2>&1 || true
+
+# Go back to AIVPN root directory
+cd /opt/amnezia/aivpn
+
+# Create docker-entrypoint.sh as a separate file (to avoid Docker build variable expansion issues)
+cat > docker-entrypoint.sh << ''ENTRYPOINT_EOF''
+#!/bin/sh
+set -eu
+
+mkdir -p /etc/aivpn /var/lib/aivpn/masks
+
+# Seed preset masks on first run
+PRESET_DIR="/usr/share/aivpn/preset-masks"
+if [ -d "$PRESET_DIR" ]; then
+    for f in "$PRESET_DIR"/*.json; do
+        [ -f "$f" ] || continue
+        base="$(basename "$f")"
+        if [ ! -f "/var/lib/aivpn/masks/$base" ]; then
+            cp "$f" "/var/lib/aivpn/masks/$base"
+        fi
+    done
+fi
+
+exec /usr/local/bin/aivpn-server "$@"
+ENTRYPOINT_EOF
+chmod +x docker-entrypoint.sh
+
+# Always create/update Dockerfile.prebuilt
+cat > Dockerfile.prebuilt << ''DOCKERFILE''
+FROM ubuntu:24.04
+
+# Install runtime dependencies (single line to avoid backslash issues)
+RUN apt-get update && apt-get install -y ca-certificates iptables iproute2 netcat-openbsd python3 bc libstdc++6 && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy prebuilt Linux server binary from releases/
+COPY aivpn-server-linux-x86_64 /usr/local/bin/aivpn-server
+RUN chmod +x /usr/local/bin/aivpn-server
+
+# Create config directory, masks directory, and TUN device node (single line to avoid backslash issues)
+RUN mkdir -p /etc/aivpn /var/lib/aivpn/masks /var/lib/aivpn/bootstrap /usr/share/aivpn/preset-masks /dev/net && mknod /dev/net/tun c 10 200 2>/dev/null || true && chmod 666 /dev/net/tun
+
+# Copy mask assets to preset directory
+COPY mask-assets/*.json /usr/share/aivpn/preset-masks/
+
+# Copy prebuilt entrypoint script
+COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
+CMD ["--listen", "0.0.0.0:443", "--key-file", "/etc/aivpn/server.key", "--clients-db", "/etc/aivpn/clients.json"]
+DOCKERFILE
+
+# Build Docker image using Dockerfile.prebuilt
+echo "Building AIVPN Docker image from prebuilt binary..."
+docker build -t aivpn-server:local -f Dockerfile.prebuilt .
+
+# Run AIVPN container
+echo "Running AIVPN container..."
+RUN_OUTPUT=$(docker run -d --name "$CONTAINER_NAME" --restart always --cap-add=NET_ADMIN --device /dev/net/tun --network host -v "$CONFIG_DIR:/etc/aivpn" -v /var/lib/aivpn/masks:/var/lib/aivpn/masks aivpn-server:local --listen "0.0.0.0:${VPN_PORT}" --key-file /etc/aivpn/server.key --clients-db /etc/aivpn/clients.json 2>&1)
+RUN_EXIT=$?
+echo "docker run exit code: $RUN_EXIT"
+echo "docker run output: $RUN_OUTPUT"
+
+sleep 3
+
+# Check container exists
+echo "Checking container..."
+CONTAINER_EXISTS=$(docker ps -a --filter "name=$CONTAINER_NAME" --format {{.Names}} 2>/dev/null)
+echo "Container exists: $CONTAINER_EXISTS"
+
+if [ -z "$CONTAINER_EXISTS" ]; then
+  echo "ERROR: Container was not created"
+  exit 1
+fi
+
+# Check container status
+STATUS=$(docker inspect --format={{.State.Status}} "$CONTAINER_NAME" 2>/dev/null || echo "")
+if [ -z "$STATUS" ]; then
+  STATUS="unknown"
+fi
+echo "Container status: $STATUS"
+
+if [ "$STATUS" != "running" ]; then
+  echo "ERROR: AIVPN container is not running (status: $STATUS)"
+  echo "=== Container logs ==="
+  docker logs "$CONTAINER_NAME" 2>&1 || echo "No logs available"
+  echo "=== Container inspect ==="
+  docker inspect "$CONTAINER_NAME" 2>&1 || echo "Container not found"
+  exit 1
+fi
+
+echo "AIVPN installed successfully"
+# Output variables for the web panel parser
+KEY_B64=$(base64 -w 0 "$CONFIG_DIR/server.key" 2>/dev/null || base64 "$CONFIG_DIR/server.key")
+echo "Variable: connection_key=$KEY_B64"
+echo "Variable: server_host=$EXTERNAL_IP"
+echo "Variable: server_port=$VPN_PORT"
+echo "Variable: config_dir=$CONFIG_DIR"',
+    definition = JSON_OBJECT(
+      'engine', 'shell',
+      'metadata', JSON_OBJECT(
+        'container_name', 'aivpn-server',
+        'port_range', JSON_ARRAY(443, 443),
+        'config_dir', '/etc/aivpn',
+        'vpn_subnet', '10.0.0.0/24',
+        'requires_docker_build', true,
+        'git_repo', 'https://github.com/infosave2007/aivpn.git',
+        'build_method', 'dockerfile_prebuilt'
+      )
+    ),
+    updated_at = NOW()
+WHERE slug = 'aivpn';