From efb91894139a84cdbefb40cccda6a9d694bb215d Mon Sep 17 00:00:00 2001
From: wangjiahao <1522128093@qq.com>
Date: Thu, 21 Nov 2024 22:29:14 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E6=8E=A7=E5=88=B6=E5=8F=B0=E6=8A=A5=E9=94=99?=
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---
 core/core-frontend/src/hooks/web/useMoveLine.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/core-frontend/src/hooks/web/useMoveLine.ts b/core/core-frontend/src/hooks/web/useMoveLine.ts
index 260e6c9ebf..9187bea56b 100644
--- a/core/core-frontend/src/hooks/web/useMoveLine.ts
+++ b/core/core-frontend/src/hooks/web/useMoveLine.ts
@@ -8,7 +8,9 @@ export const useMoveLine = (type: Sidebar) => {
   const width = ref(wsCache.get(type) || 280)
 
   const getCoordinates = () => {
-    document.querySelector('.sidebar-move-line')?.className = 'sidebar-move-line dragging'
+    if (document.querySelector('.sidebar-move-line')) {
+      document.querySelector('.sidebar-move-line').className = 'sidebar-move-line dragging'
+    }
     document.addEventListener('mousemove', setCoordinates)
     document.addEventListener('mouseup', cancelEvent)
     document.querySelector('body').style['user-select'] = 'none'
@@ -26,7 +28,9 @@ export const useMoveLine = (type: Sidebar) => {
   }
 
   const cancelEvent = () => {
-    document.querySelector('.sidebar-move-line')?.className = 'sidebar-move-line'
+    if (document.querySelector('.sidebar-move-line')) {
+      document.querySelector('.sidebar-move-line').className = 'sidebar-move-line'
+    }
     document.querySelector('body').style['user-select'] = 'auto'
     wsCache.set(type, width.value)
     document.removeEventListener('mousemove', setCoordinates)