diff --git a/docs/features/document-processing/ui-design.md b/docs/features/document-processing/ui-design.md
index a771a7b2..8ee82c83 100644
--- a/docs/features/document-processing/ui-design.md
+++ b/docs/features/document-processing/ui-design.md
@@ -65,7 +65,7 @@
 | 草稿图片，发送提取文字 | 查看解析结果、打开原图 | 改为发送原图、使用当前设置重新提取文字、移除 |
 | 历史消息附件 | 查看已保存结果、打开原件 | 需要重解析或改变发送方式时先添加到当前可编辑草稿；不修改原消息 |
 | 已入队附件 | 仅有附件时显示“查看附件”，查看入队时冻结的结果与发送方式；无附件时隐藏入口 | 修改整条输入使用“恢复到草稿”，按 L-H7 合并；不直接修改队列附件 |
-| 知识文档 | 查看解析结果、打开来源、管理分块 | 使用当前设置重新解析；失败时使用重试，不再并列一个同义重解析按钮；来源同步仍属于来源级操作 |
+| 知识文档 | 查看解析结果、打开来源、管理分块 | 重新解析；失败时使用重试，不再并列一个同义重解析按钮；来源同步仍属于来源级操作 |
 | 设置测试结果 | 查看正文、图片、详情及原件 | 重新测试、关闭；没有加入草稿、知识库或发送操作 |
 
 操作依据对象、资源和任务状态显示。解析中仅保留可用旧结果的查看、进度和取消，不允许重复
@@ -176,7 +176,7 @@ reference 使用原路径。reference 原件失效时显示“原文件不可用
 和“重试”；有部分产物时可以查看，但不能标为成功。关闭测试预览后释放无引用测试资源。
 测试预览不提供“添加到会话”，防止诊断文件进入用户草稿或知识库。
 
-“使用当前设置重新解析”是聊天草稿和知识库文档的次操作，点击前显示将使用的已保存来源。
+“使用当前设置重新解析”是聊天草稿的次操作；知识库列表和预览中的同一操作简写为“重新解析”，仍使用当前已保存的设置。
 历史消息和队列冻结已接受的输入；其预览只读。历史消息使用“添加到当前草稿重新解析”，
 产生草稿附件而不改写已发送正文；队列修改使用“恢复到草稿”，避免原队列和修改稿重复发送。
 重解析期间旧结果仍可查看，顶部显示“正在重新解析，
diff --git a/docs/features/knowledge-base/ui-design.md b/docs/features/knowledge-base/ui-design.md
index 53edac8e..8b00830a 100644
--- a/docs/features/knowledge-base/ui-design.md
+++ b/docs/features/knowledge-base/ui-design.md
@@ -88,6 +88,8 @@ Conversation 的检索范围，返回对话并聚焦输入框。
 没有分块时禁用分块入口。来源组的菜单提供任务及来源维护。菜单支持方向键、Home、End、
 Escape 和焦点返回，展开不改变行高；空间不足时翻转方向或在菜单内滚动。
 大小与分块数保持单行，窄窗口在表格内部横向滚动。
+操作文案使用“打开来源 / 重新解析 / 同步 / 暂停 / 重试 / 移除来源”，不附带对象名称；更多操作按钮的可访问名称和移除确认框仍保留对象名称。
+列表和预览的操作菜单宽度为 `220px`，小视口下收窄并保留左右各 `16px` 边距。
 
 解析预览头部按返回、文档标题与库名及全局范围、维护菜单排列，地址仍可辨认。
 正文、图片和详情使用共享结果组件；知识库的会话选择及添加图片工具仅在图片页显示，
diff --git a/src/renderer/src/AnchoredMenu.tsx b/src/renderer/src/AnchoredMenu.tsx
index c881f033..58a390f9 100644
--- a/src/renderer/src/AnchoredMenu.tsx
+++ b/src/renderer/src/AnchoredMenu.tsx
@@ -3,10 +3,11 @@ import { flushSync } from 'react-dom'
 import { FloatingPortal } from './FloatingPortal'
 import './anchored-menu.css'
 
-export function AnchoredMenu({ anchorRef, id, label, onClose, children }: {
+export function AnchoredMenu({ anchorRef, id, label, width: preferredWidth = 280, onClose, children }: {
   anchorRef: RefObject<HTMLButtonElement | null>
   id: string
   label: string
+  width?: number
   onClose: () => void
   children: ReactNode
 }): React.JSX.Element {
@@ -22,7 +23,7 @@ export function AnchoredMenu({ anchorRef, id, label, onClose, children }: {
     const width = viewport?.width ?? window.innerWidth
     const height = viewport?.height ?? window.innerHeight
     const rect = anchor.getBoundingClientRect()
-    const menuWidth = Math.max(0, Math.min(280, width - 32))
+    const menuWidth = Math.max(0, Math.min(preferredWidth, width - 32))
     menu.style.width = `${menuWidth}px`
     const above = Math.max(0, Math.min(height - 32, rect.top - top - 24))
     const below = Math.max(0, Math.min(height - 32, top + height - rect.bottom - 24))
diff --git a/src/renderer/src/KnowledgeWorkspace.test.tsx b/src/renderer/src/KnowledgeWorkspace.test.tsx
index 61c75d51..dcb13bb3 100644
--- a/src/renderer/src/KnowledgeWorkspace.test.tsx
+++ b/src/renderer/src/KnowledgeWorkspace.test.tsx
@@ -281,14 +281,15 @@ describe('KnowledgeWorkspace', () => {
     }
     const trigger = within(rows[1]!).getByRole('button', { name: 'Guide 的更多操作' })
     fireEvent.click(trigger)
-    expect(screen.getByRole('menuitem', { name: '打开 Guide 的原始来源' })).toHaveFocus()
+    expect(screen.getByRole('menu')).toHaveStyle({ width: '220px' })
+    expect(screen.getByRole('menuitem', { name: '打开来源' })).toHaveFocus()
     fireEvent.keyDown(document.activeElement!, { key: 'End' })
-    expect(screen.getByRole('menuitem', { name: '移除来源 Guide' })).toHaveFocus()
+    expect(screen.getByRole('menuitem', { name: '移除来源' })).toHaveFocus()
     fireEvent.keyDown(document.activeElement!, { key: 'Escape' })
     expect(trigger).toHaveFocus()
     expect(screen.queryByRole('menu')).not.toBeInTheDocument()
     fireEvent.click(trigger)
-    fireEvent.click(screen.getByRole('menuitem', { name: '打开 Guide 的原始来源' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '打开来源' }))
     await waitFor(() => expect(props.onOpenDocumentSource).toHaveBeenCalledWith(library.id, 'doc-1'))
     fireEvent.change(screen.getByRole('searchbox', { name: '搜索文档与来源' }), { target: { value: 'edition=two' } })
     expect(within(table).getAllByRole('row')).toHaveLength(2)
@@ -354,10 +355,10 @@ describe('KnowledgeWorkspace', () => {
     expect(screen.getAllByText('manual.pdf')).toHaveLength(1)
     const openMenu = (): void => { fireEvent.click(screen.getByRole('button', { name: 'manual.pdf 的更多操作' })) }
     openMenu()
-    fireEvent.click(screen.getByRole('menuitem', { name: '同步 manual.pdf' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '同步' }))
     await waitFor(() => expect(props.onSyncSource).toHaveBeenCalledWith(source.id))
     openMenu()
-    fireEvent.click(screen.getByRole('menuitem', { name: '使用当前设置重新解析' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '重新解析' }))
     await waitFor(() => expect(props.onRebuildDocument).toHaveBeenCalledWith(library.id, document.id))
     for (const [status, name, callback] of [
       ['syncing', '暂停', props.onPauseSource],
@@ -366,7 +367,7 @@ describe('KnowledgeWorkspace', () => {
     ] as const) {
       view.rerender(<KnowledgeWorkspace {...props} sources={[{ ...source, name: document.name, status }]} />)
       openMenu()
-      fireEvent.click(screen.getByRole('menuitem', { name: `${name} manual.pdf` }))
+      fireEvent.click(screen.getByRole('menuitem', { name }))
       await waitFor(() => {
         expect(callback).toHaveBeenCalledWith(source.id)
         expect(screen.queryByRole('menu')).not.toBeInTheDocument()
@@ -408,9 +409,9 @@ describe('KnowledgeWorkspace', () => {
     expect(within(table).getAllByRole('row')).toHaveLength(8)
     expect(within(table).getByText('orphan.md')).toBeVisible()
     expect(within(table).getByText('unassigned.md')).toBeVisible()
-    fireEvent.click(screen.getByRole('button', { name: '重试 failed.pdf' }))
+    fireEvent.click(screen.getByRole('button', { name: '重试' }))
     await waitFor(() => expect(props.onRetrySource).toHaveBeenCalledWith('empty'))
-    fireEvent.click(screen.getByRole('button', { name: '暂停 loading.pdf' }))
+    fireEvent.click(screen.getByRole('button', { name: '暂停' }))
     await waitFor(() => expect(props.onPauseSource).toHaveBeenCalledWith('syncing'))
     const search = screen.getByRole('searchbox', { name: '搜索文档与来源' })
     fireEvent.change(search, { target: { value: '产品手册' } })
@@ -419,7 +420,7 @@ describe('KnowledgeWorkspace', () => {
     expect(within(table).getAllByRole('row')).toHaveLength(3)
     expect(within(table).getByText('产品手册')).toBeVisible()
     fireEvent.click(screen.getByRole('button', { name: '产品手册 的更多操作' }))
-    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源 产品手册' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源' }))
     expect(screen.getByRole('alertdialog')).toHaveAccessibleDescription(
       '将删除此来源的 2 篇文档、检索索引、图谱证据和应用托管副本。磁盘上的原始文件不会改变。'
     )
@@ -515,8 +516,8 @@ describe('KnowledgeWorkspace', () => {
     }
     fireEvent.click(screen.getByRole('button', { name: 'A.md 的更多操作' }))
     if (entry === 'preview') {
-      expect(screen.getByRole('menuitem', { name: '同步 产品手册' })).toBeEnabled()
-      expect(screen.getByRole('menuitem', { name: '移除来源 产品手册' })).toBeEnabled()
+      expect(screen.getByRole('menuitem', { name: '同步' })).toBeEnabled()
+      expect(screen.getByRole('menuitem', { name: '移除来源' })).toBeEnabled()
     }
     fireEvent.click(screen.getByRole('menuitem', { name: '查看任务' }))
     expect(screen.getByText('共 1 个任务批次')).toBeVisible()
@@ -545,14 +546,14 @@ describe('KnowledgeWorkspace', () => {
     })
     render(<KnowledgeWorkspace {...props} />)
     const aMenuName = operation === 'sync' ? 'Source A 的更多操作' : 'A.md 的更多操作'
-    const aActionName = operation === 'sync' ? '同步 Source A' : '使用当前设置重新解析'
+    const aActionName = operation === 'sync' ? '同步' : '重新解析'
     const checkPending = (aPending: boolean, bPending: boolean): void => {
       fireEvent.click(screen.getByRole('button', { name: aMenuName }))
       expect(screen.getByRole('menuitem', { name: aActionName })).toHaveProperty('disabled', aPending)
       fireEvent.keyDown(document.activeElement!, { key: 'Escape' })
-      expect(screen.getByRole('button', { name: '暂停 Source B' })).toHaveProperty('disabled', bPending)
+      expect(screen.getByRole('button', { name: '暂停' })).toHaveProperty('disabled', bPending)
       fireEvent.click(screen.getByRole('button', { name: 'Source B 的更多操作' }))
-      expect(screen.getByRole('menuitem', { name: '暂停 Source B' })).toHaveProperty('disabled', bPending)
+      expect(screen.getByRole('menuitem', { name: '暂停' })).toHaveProperty('disabled', bPending)
       fireEvent.keyDown(document.activeElement!, { key: 'Escape' })
     }
     fireEvent.click(screen.getByRole('button', { name: aMenuName }))
@@ -561,10 +562,10 @@ describe('KnowledgeWorkspace', () => {
     else expect(props.onRebuildDocument).toHaveBeenCalledWith(library.id, 'document-1')
     checkPending(true, false)
     fireEvent.click(screen.getByRole('button', { name: 'Source B 的更多操作' }))
-    fireEvent.click(screen.getByRole('menuitem', { name: '暂停 Source B' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '暂停' }))
     expect(props.onPauseSource).toHaveBeenCalledExactlyOnceWith('source-b')
     checkPending(true, true)
-    fireEvent.click(screen.getByRole('button', { name: '暂停 Source B' }))
+    fireEvent.click(screen.getByRole('button', { name: '暂停' }))
     expect(props.onPauseSource).toHaveBeenCalledTimes(1)
     if (completion === 'a-first') {
       await act(async () => { resolveA(); await a })
@@ -597,15 +598,15 @@ describe('KnowledgeWorkspace', () => {
       expect(screen.getByText('Preview saved-result')).toBeVisible()
     })
     fireEvent.click(screen.getByRole('button', { name: '架构说明.md 的更多操作' }))
-    fireEvent.click(screen.getByRole('menuitem', { name: '使用当前设置重新解析' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '重新解析' }))
     await waitFor(() => {
       expect(screen.getByRole('alert')).toHaveTextContent('Parser unavailable')
       expect(screen.getByText('Preview saved-result')).toBeVisible()
       expect(screen.queryByRole('status')).not.toBeInTheDocument()
     })
     fireEvent.click(screen.getByRole('button', { name: '架构说明.md 的更多操作' }))
-    expect(screen.getByRole('menuitem', { name: '使用当前设置重新解析' })).toBeEnabled()
-    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源 产品手册' }))
+    expect(screen.getByRole('menuitem', { name: '重新解析' })).toBeEnabled()
+    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源' }))
     expect(screen.getByRole('alertdialog')).toBeVisible()
     fireEvent.click(screen.getByRole('button', { name: '取消' }))
     expect(screen.getByText('Preview saved-result')).toBeVisible()
@@ -735,7 +736,7 @@ describe('KnowledgeWorkspace', () => {
     )
 
     fireEvent.click(screen.getByRole('button', { name: '产品手册 的更多操作' }))
-    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源 产品手册' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '移除来源' }))
     expect(
       screen.getByRole('alertdialog', {
         name: '移除来源“产品手册”？'
@@ -1842,11 +1843,11 @@ describe('KnowledgeWorkspace', () => {
       .toBeInTheDocument()
     expect(screen.queryByTitle('D:\\Private\\产品手册')).not.toBeInTheDocument()
     const syncSource = screen.getByRole('button', {
-      name: '同步 产品手册'
+      name: '同步'
     })
     fireEvent.click(screen.getByRole('button', { name: '产品手册 的更多操作' }))
     const removeSource = screen.getByRole('menuitem', {
-      name: '移除来源 产品手册'
+      name: '移除来源'
     })
     expect(syncSource.parentElement).toHaveClass('knowledge-document-actions')
     expect(removeSource.closest('[role="menu"]')).toBeInTheDocument()
diff --git a/src/renderer/src/i18n/locales/en-US/knowledge.ts b/src/renderer/src/i18n/locales/en-US/knowledge.ts
index 8efd3e56..d77b2178 100644
--- a/src/renderer/src/i18n/locales/en-US/knowledge.ts
+++ b/src/renderer/src/i18n/locales/en-US/knowledge.ts
@@ -72,6 +72,7 @@ export const knowledge = {
     sync: 'Sync',
     remove: 'Remove',
     openSource: 'Open source',
+    removeSource: 'Remove source',
     retryDocument: 'Process again',
     useInChat: 'Use in this conversation',
     saveEntity: 'Save entity',
@@ -601,7 +602,7 @@ export const knowledge = {
     lastSynced: 'Last synced: {{time}}',
     moreActionsFor: 'More actions for {{name}}',
     openParsedOriginal: 'Open original used for parsing',
-    reparse: 'Reparse with current settings',
+    reparse: 'Reparse',
     viewResult: 'View parsed result',
     previewLabel: 'Parsed result: {{name}}',
     backToList: 'Back to document list',
diff --git a/src/renderer/src/i18n/locales/zh-CN/knowledge.ts b/src/renderer/src/i18n/locales/zh-CN/knowledge.ts
index e847feb7..c2975222 100644
--- a/src/renderer/src/i18n/locales/zh-CN/knowledge.ts
+++ b/src/renderer/src/i18n/locales/zh-CN/knowledge.ts
@@ -69,6 +69,7 @@ export const knowledge = {
     sync: '同步',
     remove: '移除',
     openSource: '打开来源',
+    removeSource: '移除来源',
     retryDocument: '重新处理',
     useInChat: '用于当前对话',
     saveEntity: '保存实体',
@@ -565,7 +566,7 @@ export const knowledge = {
     lastSynced: '最近同步：{{time}}',
     moreActionsFor: '{{name}} 的更多操作',
     openParsedOriginal: '打开解析时原件',
-    reparse: '使用当前设置重新解析',
+    reparse: '重新解析',
     viewResult: '查看解析结果',
     previewLabel: '解析结果：{{name}}',
     backToList: '返回文档列表',
diff --git a/src/renderer/src/knowledge-workspace/DocumentsView.tsx b/src/renderer/src/knowledge-workspace/DocumentsView.tsx
index d6a84def..abc17587 100644
--- a/src/renderer/src/knowledge-workspace/DocumentsView.tsx
+++ b/src/renderer/src/knowledge-workspace/DocumentsView.tsx
@@ -234,18 +234,18 @@ export function DocumentsView({
 
   const sourceActions = (source: KnowledgeSource): KnowledgeAction[] => [
     {
-      label: t(source.status === 'syncing' ? 'documents.actions.pauseSource' : source.status === 'failed' ? 'documents.actions.retrySource' : 'documents.actions.syncSource', { name: source.name }),
+      label: t(source.status === 'syncing' ? 'actions.pause' : source.status === 'failed' ? 'actions.retry' : 'actions.sync'),
       disabled: pending.has(source.id),
       onClick: () => void run(source.id, () => source.status === 'syncing' ? onPauseSource(source.id) : source.status === 'failed' ? onRetrySource(source.id) : onSyncSource(source.id))
     },
     {
-      label: t('documents.actions.removeSource', { name: source.name }),
+      label: t('actions.removeSource'),
       disabled: pending.has(source.id), danger: true, separator: true,
       onClick: () => setRemovingSource(source)
     }
   ]
   const documentActions = (document: KnowledgeDocumentItem, source: KnowledgeSource | undefined, taskSourceId?: string): KnowledgeAction[] => [
-    { label: t('documents.actions.openDocumentSource', { name: document.name }), disabled: pending.has(`open:${document.id}`),
+    { label: t('actions.openSource'), disabled: pending.has(`open:${document.id}`),
       onClick: () => void run(`open:${document.id}`, () => onOpenDocumentSource(library.id, document.id)) },
     ...(document.resultId ? [{
       label: t('documents.openParsedOriginal'), disabled: pending.has(`original:${document.id}`),
diff --git a/src/renderer/src/knowledge-workspace/KnowledgeActionsMenu.tsx b/src/renderer/src/knowledge-workspace/KnowledgeActionsMenu.tsx
index 453983a9..cd6c94a8 100644
--- a/src/renderer/src/knowledge-workspace/KnowledgeActionsMenu.tsx
+++ b/src/renderer/src/knowledge-workspace/KnowledgeActionsMenu.tsx
@@ -21,7 +21,7 @@ export function KnowledgeActionsMenu({ label, actions }: {
     <button ref={anchorRef} type="button" className="icon-button" aria-label={label} title={label}
       aria-haspopup="menu" aria-expanded={open} aria-controls={open ? id : undefined}
       onClick={() => setOpen(!open)}><Ellipsis aria-hidden="true" size={16} /></button>
-    {open && <AnchoredMenu anchorRef={anchorRef} id={id} label={label} onClose={() => setOpen(false)}>
+    {open && <AnchoredMenu anchorRef={anchorRef} id={id} label={label} width={220} onClose={() => setOpen(false)}>
       {actions.map((action) => <div key={action.label}>
         {action.separator && <div role="separator" />}
         <button type="button" role="menuitem" className={`knowledge-action${action.danger ? ' knowledge-action--danger' : ''}`}
diff --git a/tests/knowledge-layout.electron.test.ts b/tests/knowledge-layout.electron.test.ts
index 7867ee91..207b3d1e 100644
--- a/tests/knowledge-layout.electron.test.ts
+++ b/tests/knowledge-layout.electron.test.ts
@@ -58,6 +58,7 @@ it('renders knowledge rows, menus, preview and task history in wide and narrow E
             await wait('!!document.querySelector("[role=menuitem]")'); await settle();
             assert.equal(await js('document.querySelector("tbody tr").getBoundingClientRect().height'), height);
             const menu = await js('document.querySelector("[role=menu]").getBoundingClientRect().toJSON()');
+            assert.equal(menu.width, 220);
             assert(menu.left >= 15 && menu.right <= width - 15 && menu.top >= 15 && menu.height >= 32, JSON.stringify(menu));
             await capture('knowledge-menu-' + theme + '-' + width);
             console.log('Closing list menu');
@@ -77,10 +78,16 @@ it('renders knowledge rows, menus, preview and task history in wide and narrow E
             console.log('Opening preview menu');
             await js('document.querySelector(".knowledge-document-preview__header [aria-haspopup=menu]").click()'); await settle();
             const previewMenu = await js('document.querySelector("[role=menu]").getBoundingClientRect().toJSON()');
+            assert.equal(previewMenu.width, 220);
             assert(previewMenu.height >= 100 && previewMenu.top >= 16 && previewMenu.bottom <= (width === 420 ? 480 : 720) - 15, JSON.stringify(previewMenu));
             win.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'End' });
             win.webContents.sendInputEvent({ type: 'keyUp', keyCode: 'End' }); await settle();
-            assert(await js('document.activeElement.textContent.includes("移除来源")'));
+            assert(await js('document.activeElement.textContent === "移除来源"'));
+            for (let i = 0; i < 2; i++) {
+              win.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'Up' });
+              win.webContents.sendInputEvent({ type: 'keyUp', keyCode: 'Up' }); await settle();
+            }
+            assert(await js('document.activeElement.textContent === "重新解析"'));
             await capture('knowledge-preview-menu-' + theme + '-' + width);
             console.log('Closing preview menu');
             win.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'Escape' });