diff --git a/src/app/components/main-chat/channel-information/channel-information.component.html b/src/app/components/main-chat/channel-information/channel-information.component.html
index 7dc359b..f9d88b2 100644
--- a/src/app/components/main-chat/channel-information/channel-information.component.html
+++ b/src/app/components/main-chat/channel-information/channel-information.component.html
@@ -155,11 +155,10 @@
           dBlock: openUserWindowBoolean,
           dNone: !openUserWindowBoolean
         }"
-        [user]="user"
+        [users]="users"
         [openUserWindowBoolean]="openUserWindowBoolean"
         (closeUserWindow)="changeOpenUserWindowBoolean($event)"
       ></app-open-send-prv-message-window>
-      @if (!publicChannelsList.includes(currentChannel)) {
       <div class="leaveChannel">
         <button
           [disabled]="openEditNameInput || openEditNameDescription"
@@ -168,7 +167,6 @@
           {{ "channel-information.leave" | translate }}
         </button>
       </div>
-      }
     </div>
   </div>
 </div>
diff --git a/src/app/components/main-chat/channel-information/channel-information.component.ts b/src/app/components/main-chat/channel-information/channel-information.component.ts
index 6975f0b..ec8a7e5 100644
--- a/src/app/components/main-chat/channel-information/channel-information.component.ts
+++ b/src/app/components/main-chat/channel-information/channel-information.component.ts
@@ -36,7 +36,7 @@ export class ChannelInformationComponent {
   descriptionValue: string = '';
   getCurrentChannel: Channel[] = [];
   openUserWindowBoolean: boolean = false;
-  user: User[] = [];
+  users: User[] = [];
   publicChannelsList: string[] = [];
 
   constructor(
@@ -145,7 +145,7 @@ export class ChannelInformationComponent {
    * @param {User} user - The user to display information about.
    */
   openUserWindow(user: User) {
-    this.user = [user];
+    this.users = [user];
     this.openUserWindowBoolean = !this.openUserWindowBoolean;
   }
 
diff --git a/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.html b/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.html
index ad98649..21ac387 100644
--- a/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.html
+++ b/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.html
@@ -2,7 +2,7 @@
   <div class="darkBackground" (click)="closeWindow()"></div>
   @if (showProfil) {
   <!----- show prvProfil ----->
-  @for(i of talkToUser; track i){
+  @for(user of talkToUser; track user){
   <div class="whiteBox">
     <div class="boxHeader">
       <p>{{ "open-send-prv-message.profil" | translate }}</p>
@@ -10,20 +10,20 @@
         <img src="./assets/img/closeIcon.svg" class="closeIcon" />
       </div>
     </div>
-    <img src="{{ i.avatar }}" class="profileImg" />
+    <img src="{{ user.avatar }}" class="profileImg" />
     <div class="detailsBox">
       <div class="editBtnPosition">
-        <p class="name">{{ i.firstName }} {{ i.lastName }}</p>
+        <p class="name">{{ user.firstName }} {{ user.lastName }}</p>
       </div>
 
       <div class="statusBox">
         <img
           src="./assets/img/{{
-            i.status ? 'onlineRing.svg' : 'offlineRing.svg'
+            user.status ? 'onlineRing.svg' : 'offlineRing.svg'
           }}"
           class="onlineIcon"
         />
-        @if (i.status) {
+        @if (user.status) {
         <p class="fontColorGreen">
           {{ "open-send-prv-message.aktiv" | translate }}
         </p>
@@ -37,7 +37,7 @@
         <div class="email">
           <p>{{ "open-send-prv-message.address" | translate }}</p>
           <a href="mailto:wwweewefeff&#64;dede.de" target="_blank">{{
-            i.email
+            user.email
           }}</a>
         </div>
       </div>
@@ -45,7 +45,7 @@
   </div>
   } } @else {
   <!----- show channelMember ----->
-  @for(i of user; track i){
+  @for(user of users; track user){
   <div class="whiteBox">
     <div class="boxHeader">
       <p>{{ "open-send-prv-message.profil" | translate }}</p>
@@ -53,20 +53,20 @@
         <img src="./assets/img/closeIcon.svg" class="closeIcon" />
       </div>
     </div>
-    <img src="{{ i.avatar }}" class="profileImg" />
+    <img src="{{ user.avatar }}" class="profileImg" />
     <div class="detailsBox">
       <div class="editBtnPosition">
-        <p class="name">{{ i.firstName }} {{ i.lastName }}</p>
+        <p class="name">{{ user.firstName }} {{ user.lastName }}</p>
       </div>
 
       <div class="statusBox">
         <img
           src="./assets/img/{{
-            i.status ? 'onlineRing.svg' : 'offlineRing.svg'
+            user.status ? 'onlineRing.svg' : 'offlineRing.svg'
           }}"
           class="onlineIcon"
         />
-        @if (i.status) {
+        @if (user.status) {
         <p class="fontColorGreen">
           {{ "open-send-prv-message.aktiv" | translate }}
         </p>
@@ -79,11 +79,11 @@
         <img src="./assets/img/mail-icon.svg" />
         <div class="email">
           <p>E-Mail-Address</p>
-          <a href="mailto:{{ i.email }}" target="_blank">{{ i.email }}</a>
+          <a href="mailto:{{ user.email }}" target="_blank">{{ user.email }}</a>
         </div>
       </div>
     </div>
-    <button (click)="routeToUser(user)">
+    <button (click)="routeToUser(users)">
       <img src="./assets/img/messageIcon.svg" />
       {{ "open-send-prv-message.message" | translate }}
     </button>
diff --git a/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.ts b/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.ts
index ff993d5..5a3b429 100644
--- a/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.ts
+++ b/src/app/components/main-chat/show-channel-member/open-send-prv-message-window/open-send-prv-message-window.component.ts
@@ -15,7 +15,7 @@ import { TranslateModule } from '@ngx-translate/core';
   styleUrl: './open-send-prv-message-window.component.scss',
 })
 export class OpenSendPrvMessageWindowComponent {
-  @Input() user: User[] = [];
+  @Input() users: User[] = [];
   @Input() talkToUser: User[] = [];
   @Input() openUserWindowBoolean: boolean = false;
   @Input() showProfil: boolean = false;
diff --git a/src/app/components/main-chat/show-channel-member/show-channel-member.component.html b/src/app/components/main-chat/show-channel-member/show-channel-member.component.html
index 9bbe174..5d12307 100644
--- a/src/app/components/main-chat/show-channel-member/show-channel-member.component.html
+++ b/src/app/components/main-chat/show-channel-member/show-channel-member.component.html
@@ -132,7 +132,7 @@
 </section>
 <app-open-send-prv-message-window
   [ngClass]="{ dBlock: openUserWindowBoolean, dNone: !openUserWindowBoolean }"
-  [user]="user"
+  [users]="users"
   [openUserWindowBoolean]="openUserWindowBoolean"
   (closeUserWindow)="changeOpenUserWindowBoolean($event)"
 ></app-open-send-prv-message-window>
diff --git a/src/app/components/main-chat/show-channel-member/show-channel-member.component.ts b/src/app/components/main-chat/show-channel-member/show-channel-member.component.ts
index 36ef76a..3396662 100644
--- a/src/app/components/main-chat/show-channel-member/show-channel-member.component.ts
+++ b/src/app/components/main-chat/show-channel-member/show-channel-member.component.ts
@@ -32,7 +32,7 @@ export class ShowChannelMemberComponent {
   getSelectedUsers: User[] = [];
   selectedUsers: string[] = [];
   openUserWindowBoolean: boolean = false;
-  user: User[] = [];
+  users: User[] = [];
 
   @Input() getFiltertUsers!: User[];
   @Input() currentChannel!: string;
@@ -166,7 +166,7 @@ export class ShowChannelMemberComponent {
    * @returns {void}
    */
   openUserWindow(user: User) {
-    this.user = [user];
+    this.users = [user];
     this.openUserWindowBoolean = !this.openUserWindowBoolean;
   }