diff --git a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
index 9c4caf79..a0943fd9 100644
--- a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
+++ b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
@@ -185,10 +185,10 @@ export class MessagesComponent implements OnInit, OnDestroy {
           this.roomInfo.roomSeq !== roomInfo.roomSeq)
       ) {
         this.baseEventSeq = 0;
+        this.showMore = false;
       }
 
       this.roomInfo = roomInfo;
-      this.showMore = false;
 
       /** [S] initializing by changed room */
       // reset :: roomLastEventSeq