diff --git a/api/src/model/entitites/cylinder.entity.ts b/api/src/model/entitites/cylinder.entity.ts
index 2132bfa..201a908 100644
--- a/api/src/model/entitites/cylinder.entity.ts
+++ b/api/src/model/entitites/cylinder.entity.ts
@@ -24,7 +24,7 @@ export class Cylinder {
   description: string;
 
   @Column({name: 'digital', type: 'boolean', default: false})
-  isDigital: boolean;
+  digital: boolean;
 
 
   @ManyToMany(() => Key, (key) => key.cylinder, { onDelete: 'NO ACTION'})
diff --git a/client/src/app/core/layout/layout.component.html b/client/src/app/core/layout/layout.component.html
index 98fe775..7c29bec 100644
--- a/client/src/app/core/layout/layout.component.html
+++ b/client/src/app/core/layout/layout.component.html
@@ -13,11 +13,11 @@
 <mat-drawer-container class="example-container" autosize>
   <mat-drawer #drawer class="main_sidenav" mode="side" opened="true" style="border-right: 1px solid #dfdfdf">
     <button matButton routerLink="/" routerLinkActive="active-link" [routerLinkActiveOptions]="{exact: true}">Home</button>
-    <button matButton routerLink="/keys" routerLinkActive="active-link" class="mat-elevation-z1">Schlüssel</button>
-    <button matButton routerLink="/cylinders" routerLinkActive="active-link">Zylinder</button>
-    <button matButton routerLink="/systems" routerLinkActive="active-link">Schließanlagen</button>
+    <button matButton routerLink="/keys" routerLinkActive="active-link" class="mat-elevation-z1"><mat-icon>key</mat-icon>Schlüssel</button>
+    <button matButton routerLink="/cylinders" routerLinkActive="active-link"><mat-icon>lock</mat-icon>Zylinder</button>
+    <button matButton routerLink="/systems" routerLinkActive="active-link"><mat-icon>admin_panel_settings</mat-icon>Schließanlagen</button>
     @if (isAdmin) {
-      <button matButton routerLink="/users" routerLinkActive="active-link">Alle User</button>
+      <button matButton routerLink="/users" routerLinkActive="active-link"><mat-icon>user_attributes</mat-icon>Alle User</button>
     }
     <button matButton (click)="openSidebar()">Einstellungen</button>