diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
index e6360240..60e161a6 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
@@ -705,7 +705,7 @@ export class GroupComponent implements OnInit, OnDestroy {
                 groupInfo => groupInfo.group.seq === group.seq
               );
               if (!!curGroupBuddyList && curGroupBuddyList.length > 0) {
-                receiverList = curGroupBuddyList[0].buddyList;
+                receiverList = curGroupBuddyList[0].buddyList.map(x => x);
               }
             }