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 b978b51e..cbda8829 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
@@ -308,6 +308,15 @@ export class GroupComponent implements OnInit, OnDestroy {
       }
     }
 
+    // 그룹원 0명인 그룹 메뉴 정리
+    if (menuType === 'CHAT') {
+      if (!!group && !!group.userSeqs && group.userSeqs.length > 0) {
+        return true;
+      } else {
+        return false;
+      }
+    }
+
     return true;
   }
 
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/protocols/group.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/protocols/group.ts
index f1a20682..5933e8db 100644
--- a/projects/ucap-webmessenger-protocol-sync/src/lib/protocols/group.ts
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/protocols/group.ts
@@ -77,9 +77,13 @@ export const decodeGroupData: ProtocolDecoder<GroupData> = (
 export const decodeGroupDetailData: ProtocolDecoder<GroupDetailData> = (
   message: ProtocolMessage
 ) => {
-  let userSeqs: number[] = [];
+  const userSeqs: number[] = [];
   if (message.bodyList.length > 3) {
-    userSeqs = message.bodyList.slice(3);
+    message.bodyList.slice(3).forEach(seq => {
+      if (seq !== 0) {
+        userSeqs.push(seq);
+      }
+    });
   }
   return decodeProtocolMessage(message, {
     // 그룹SEQ(n)