diff --git a/dashboard/src/clients.tsx b/dashboard/src/clients.tsx
index fa31249..10014fc 100644
--- a/dashboard/src/clients.tsx
+++ b/dashboard/src/clients.tsx
@@ -75,7 +75,21 @@ function DetailsModal({ open, client, groupIdToName, onClose }: DetailsModalProp
                           ? 'IP-Adresse'
                           : key === 'registration_time'
                             ? 'Registriert am'
-                            : key.charAt(0).toUpperCase() + key.slice(1)}
+                            : key === 'description'
+                              ? 'Beschreibung'
+                              : key === 'last_alive'
+                                ? 'Letzter Kontakt'
+                                : key === 'model'
+                                  ? 'Modell'
+                                  : key === 'uuid'
+                                    ? 'Client-Code'
+                                    : key === "os_version"
+                                      ? 'Betriebssystem'
+                                      : key === 'software_version'
+                                        ? 'Clientsoftware'
+                                        : key === 'macs'
+                                          ? 'MAC-Adressen'
+                                          : key.charAt(0).toUpperCase() + key.slice(1)}
                       :
                     </td>
                     <td style={{ padding: '6px 8px' }}>
diff --git a/dashboard/src/dashboard.tsx b/dashboard/src/dashboard.tsx
index dc9ef57..0e820a6 100644
--- a/dashboard/src/dashboard.tsx
+++ b/dashboard/src/dashboard.tsx
@@ -1,6 +1,6 @@
 import React, { useEffect, useState, useRef } from 'react';
 import { fetchGroupsWithClients, restartClient } from './apiClients';
-import type { Group } from './apiClients';
+import type { Group, Client } from './apiClients';
 import {
   GridComponent,
   ColumnsDirective,
@@ -13,25 +13,35 @@ import {
 
 const REFRESH_INTERVAL = 15000; // 15 Sekunden
 
+// Typ für Collapse-Event
+// type DetailRowCollapseArgs = {
+//   data?: { id?: string | number };
+// };
+
+// Typ für DataBound-Event
+type DetailRowDataBoundArgs = {
+  data?: { id?: string | number };
+};
+
 const Dashboard: React.FC = () => {
   const [groups, setGroups] = useState<Group[]>([]);
   const [expandedGroupIds, setExpandedGroupIds] = useState<string[]>([]);
-  const gridRef = useRef<any>(null);
+  const gridRef = useRef<GridComponent | null>(null);
 
   // Funktion für das Schließen einer Gruppe (Collapse)
-  const onDetailCollapse = (args: any) => {
-    if (args && args.data && args.data.id) {
-      const groupId = String(args.data.id);
-      setExpandedGroupIds(prev => prev.filter(id => String(id) !== groupId));
-    }
-  };
+  // const onDetailCollapse = (args: DetailRowCollapseArgs) => {
+  //   if (args && args.data && args.data.id) {
+  //     const groupId = String(args.data.id);
+  //     setExpandedGroupIds(prev => prev.filter(id => String(id) !== groupId));
+  //   }
+  // };
 
-  // Registriere das Event nach dem Mount am Grid
-  useEffect(() => {
-    if (gridRef.current) {
-      gridRef.current.detailCollapse = onDetailCollapse;
-    }
-  }, []);
+  // // Registriere das Event nach dem Mount am Grid
+  // useEffect(() => {
+  //   if (gridRef.current) {
+  //     gridRef.current.detailCollapse = onDetailCollapse;
+  //   }
+  // }, []);
 
   // Optimiertes Update: Nur bei echten Datenänderungen wird das Grid aktualisiert
   useEffect(() => {
@@ -77,7 +87,7 @@ const Dashboard: React.FC = () => {
   // Health-Badge
   const getHealthBadge = (group: Group) => {
     const total = group.clients.length;
-    const alive = group.clients.filter((c: any) => c.is_alive).length;
+    const alive = group.clients.filter((c: Client) => c.is_alive).length;
     const ratio = total === 0 ? 0 : alive / total;
     let color = 'danger';
     let text = `${alive} / ${total} offline`;
@@ -98,7 +108,7 @@ const Dashboard: React.FC = () => {
         <ColumnsDirective>
           <ColumnDirective field="description" headerText="Beschreibung" width="150" />
           <ColumnDirective field="ip" headerText="IP" width="120" />
-          <ColumnDirective
+          {/* <ColumnDirective
             field="last_alive"
             headerText="Letztes Lebenszeichen"
             width="180"
@@ -110,7 +120,7 @@ const Dashboard: React.FC = () => {
               const date = new Date(dateStr);
               return isNaN(date.getTime()) ? props.last_alive : date.toLocaleString();
             }}
-          />
+          /> */}
           <ColumnDirective
             field="is_alive"
             headerText="Alive"
@@ -142,15 +152,19 @@ const Dashboard: React.FC = () => {
     try {
       const result = await restartClient(uuid);
       alert(`Neustart erfolgreich: ${result.message}`);
-    } catch (error: any) {
-      alert(`Fehler beim Neustart: ${error.message}`);
+    } catch (error: unknown) {
+      if (error && typeof error === 'object' && 'message' in error) {
+        alert(`Fehler beim Neustart: ${(error as { message: string }).message}`);
+      } else {
+        alert('Unbekannter Fehler beim Neustart');
+      }
     }
   };
 
   // SyncFusion Grid liefert im Event die Zeile/Gruppe
-  const onDetailDataBound = (args: any) => {
+  const onDetailDataBound = (args: DetailRowDataBoundArgs) => {
     if (args && args.data && args.data.id) {
-      const groupId = args.data.id;
+      const groupId = String(args.data.id);
       setExpandedGroupIds(prev => (prev.includes(groupId) ? prev : [...prev, groupId]));
     }
   };
@@ -176,7 +190,7 @@ const Dashboard: React.FC = () => {
           <ColumnDirective
             headerText="Health"
             width="160"
-            template={(props: any) => getHealthBadge(props)}
+            template={(props: Group) => getHealthBadge(props)}
           />
         </ColumnsDirective>
       </GridComponent>