From 497c667d57e10bac1cb1af176579b89c23a3ce27 Mon Sep 17 00:00:00 2001
From: undefined <i@undefined.moe>
Date: Mon, 16 Feb 2026 13:51:52 +0800
Subject: [PATCH] ui: fix #1131

---
 packages/components/frontend/autocomplete/AutoComplete.tsx      | 2 +-
 .../ui-default/components/problemconfig/ProblemConfigTree.tsx   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/components/frontend/autocomplete/AutoComplete.tsx b/packages/components/frontend/autocomplete/AutoComplete.tsx
index 5fef9ca89..eb317515a 100644
--- a/packages/components/frontend/autocomplete/AutoComplete.tsx
+++ b/packages/components/frontend/autocomplete/AutoComplete.tsx
@@ -266,7 +266,7 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
         className={focused ? 'autocomplete-wrapper focused' : 'autocomplete-wrapper'}
         style={{ width, height }}
       >
-        <DndProvider backend={HTML5Backend}>
+        <DndProvider backend={HTML5Backend} context={window}>
           {multi && selectedKeys.map((key) => {
             const item = valueCache[key];
             return (
diff --git a/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx b/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
index fcc3a0166..556cf4f3a 100644
--- a/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
+++ b/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
@@ -146,7 +146,7 @@ export function SubtaskConfigTree() {
 
 export function ProblemConfigTree() {
   return (
-    <DndProvider backend={HTML5Backend}>
+    <DndProvider backend={HTML5Backend} context={window}>
       <div className="row">
         <div className="medium-6 columns">
           <SubtaskConfigTree />