diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.html
index d187f393..2979062d 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.html
@@ -61,7 +61,7 @@
           [userInfo]="userInfo"
           [sessionVerinfo]="sessionVerinfo"
           [selectedUserList]="selectedUserList"
-          [checkable]="true"
+          [checkable]="userInfo.seq !== loginRes.userSeq"
           [checkDisabled]="!getCheckableUser(userInfo)"
           [isChecked]="getCheckedUser(userInfo)"
           (checkUser)="onCheckUser($event)"
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.ts
index 53ac2f1f..f11c7b65 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/organization.component.ts
@@ -409,6 +409,9 @@ export class OrganizationComponent
     this.checkUser.emit(params);
   }
   onToggleUser(userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN) {
+    if (userInfo.seq === this.loginRes.userSeq) {
+      return;
+    }
     this.toggleUser.emit(userInfo);
   }