diff --git a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
index 5ceb6e0176..34f58bb74d 100644
--- a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
+++ b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
@@ -411,7 +411,7 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic }) => {
 
   useEffect(() => {
     setSelectedKnowledgeBase(assistant.knowledge_base)
-  }, [assistant.id])
+  }, [assistant.id, assistant.knowledge_base])
 
   const textareaRows = window.innerHeight >= 1000 || isBubbleStyle ? 2 : 1
 
diff --git a/src/renderer/src/pages/home/Inputbar/KnowledgeBaseButton.tsx b/src/renderer/src/pages/home/Inputbar/KnowledgeBaseButton.tsx
index 2d5c234801..26b994292d 100644
--- a/src/renderer/src/pages/home/Inputbar/KnowledgeBaseButton.tsx
+++ b/src/renderer/src/pages/home/Inputbar/KnowledgeBaseButton.tsx
@@ -49,7 +49,7 @@ const KnowledgeBaseButton: FC<Props> = ({ selectedBase, onSelect, disabled, Tool
 
   if (selectedBase) {
     return (
-      <Tooltip placement="top" title={t('chat.input.knowledge_base')} arrow>
+      <Tooltip placement="top" title={selectedBase.name} arrow>
         <ToolbarButton type="text" onClick={() => onSelect(undefined)}>
           <FileSearchOutlined style={{ color: selectedBase ? 'var(--color-link)' : 'var(--color-icon)' }} />
         </ToolbarButton>