diff --git a/src/renderer/src/pages/home/Inputbar/components/InputbarCore.tsx b/src/renderer/src/pages/home/Inputbar/components/InputbarCore.tsx
index 99a93e537c..7ed182c7f4 100644
--- a/src/renderer/src/pages/home/Inputbar/components/InputbarCore.tsx
+++ b/src/renderer/src/pages/home/Inputbar/components/InputbarCore.tsx
@@ -526,7 +526,8 @@ export const InputbarCore: FC<InputbarCoreProps> = ({
   const handleFocus = useCallback(() => {
     setInputFocus(true)
     dispatch(setSearching(false))
-    if (quickPanel.isVisible && quickPanel.triggerInfo?.type !== 'input') {
+    // Don't close panel in multiple selection mode, or if triggered by input
+    if (quickPanel.isVisible && quickPanel.triggerInfo?.type !== 'input' && !quickPanel.multiple) {
       quickPanel.close()
     }
     PasteService.setLastFocusedComponent('inputbar')
diff --git a/src/renderer/src/pages/home/Inputbar/tools/components/KnowledgeBaseButton.tsx b/src/renderer/src/pages/home/Inputbar/tools/components/KnowledgeBaseButton.tsx
index 76060d1414..087a4f32c4 100644
--- a/src/renderer/src/pages/home/Inputbar/tools/components/KnowledgeBaseButton.tsx
+++ b/src/renderer/src/pages/home/Inputbar/tools/components/KnowledgeBaseButton.tsx
@@ -92,14 +92,6 @@ const KnowledgeBaseButton: FC<Props> = ({ quickPanel, selectedBases, onSelect, d
     }
   }, [openQuickPanel, quickPanelHook])
 
-  // 监听 selectedBases 变化，动态更新已打开的 QuickPanel 列表状态
-  useEffect(() => {
-    if (quickPanelHook.isVisible && quickPanelHook.symbol === QuickPanelReservedSymbol.KnowledgeBase) {
-      // 直接使用重新计算的 baseItems，因为它已经包含了最新的 isSelected 状态
-      quickPanelHook.updateList(baseItems)
-    }
-  }, [selectedBases, quickPanelHook, baseItems])
-
   useEffect(() => {
     const disposeRootMenu = quickPanel.registerRootMenu([
       {