From b3e8d8dccc279f74b8502446dce25d905f60366a Mon Sep 17 00:00:00 2001
From: xiaowei <wewoor@gmail.com>
Date: Tue, 10 Aug 2021 13:39:25 +0800
Subject: [PATCH] fix: add an if statement before calling the
 unmountComponentAtNode

---
 src/components/contextView/index.tsx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/contextView/index.tsx b/src/components/contextView/index.tsx
index 9cb729ab1..82337c9d5 100644
--- a/src/components/contextView/index.tsx
+++ b/src/components/contextView/index.tsx
@@ -68,7 +68,10 @@ export function useContextView(props: IContextViewProps = {}): IContextView {
     const hide = () => {
         if (contextView) {
             contextView.style.visibility = 'hidden';
-            ReactDOM.unmountComponentAtNode(select('.' + contentClassName)!);
+            const contentContainer = select('.' + contentClassName);
+            if (contentContainer) {
+                ReactDOM.unmountComponentAtNode(contentContainer);
+            }
             Emitter.emit(ContextViewEvent.onHide);
         }
     };