From e076af251996ed93a279af0c640929dfc6fabb25 Mon Sep 17 00:00:00 2001
From: Xiao Gui <xgui3783@gmail.com>
Date: Fri, 18 Mar 2022 08:38:40 +0100
Subject: [PATCH] fix feature side panel issue

---
 src/viewerModule/viewerCmp/viewerCmp.component.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/viewerModule/viewerCmp/viewerCmp.component.ts b/src/viewerModule/viewerCmp/viewerCmp.component.ts
index abd782459..2ac67737f 100644
--- a/src/viewerModule/viewerCmp/viewerCmp.component.ts
+++ b/src/viewerModule/viewerCmp/viewerCmp.component.ts
@@ -200,6 +200,7 @@ export class ViewerCmp implements OnDestroy {
 
   public pliVol$ = merge(
     this._pliVol$?.pipe(
+      filter(arr => arr.length > 0),
       mapTo({
         title: this._pliTitle,
         description: this._pliDesc,
-- 
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