diff --git a/srv/poe_manager/templates/devices.html b/srv/poe_manager/templates/devices.html
index 9476f01..8bcd7a9 100644
--- a/srv/poe_manager/templates/devices.html
+++ b/srv/poe_manager/templates/devices.html
@@ -239,12 +239,13 @@ document.addEventListener("input", function(e) {
     if (e.target.name === "mac") validateMAC(e.target);
 });
 
+// Aktivieren/Deaktivieren
 function toggleDevice(mac, btn) {
     fetch(`/devices/toggle/${mac}`, { method: 'POST' })
         .then(resp => resp.json())
         .then(data => {
             if (data.success) {
-                // Button-Styling und Text aktualisieren
+                // Button aktualisieren
                 if (data.new_status === 1) {
                     btn.classList.remove('btn-secondary');
                     btn.classList.add('btn-success');
@@ -255,10 +256,35 @@ function toggleDevice(mac, btn) {
                     btn.innerText = 'Aktivieren';
                 }
 
-                // Optional: Flash-Nachricht anzeigen
-                alert(data.msg);
+                // Flash-Nachricht im Frontend aktualisieren
+                let flashContainer = document.getElementById('flash-messages');
+                if (!flashContainer) {
+                    flashContainer = document.createElement('div');
+                    flashContainer.id = 'flash-messages';
+                    flashContainer.style.position = 'fixed';
+                    flashContainer.style.top = '10px';
+                    flashContainer.style.right = '10px';
+                    flashContainer.style.zIndex = 1050;
+                    document.body.appendChild(flashContainer);
+                }
+
+                const flash = document.createElement('div');
+                flash.className = 'alert alert-success alert-dismissible fade show';
+                flash.role = 'alert';
+                flash.innerHTML = `
+                    ${data.msg}
+                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                `;
+                flashContainer.appendChild(flash);
+
+                // Automatisch nach 3 Sekunden ausblenden
+                setTimeout(() => {
+                    flash.classList.remove('show');
+                    flash.classList.add('hide');
+                    flash.addEventListener('transitionend', () => flash.remove());
+                }, 3000);
             } else {
-                alert(data.msg);
+                console.error(data.msg);
             }
         })
         .catch(err => console.error(err));