diff --git a/web/e2e/document-revision-runtime.spec.ts b/web/e2e/document-revision-runtime.spec.ts
index 7eec4a74..6f3a98a9 100644
--- a/web/e2e/document-revision-runtime.spec.ts
+++ b/web/e2e/document-revision-runtime.spec.ts
@@ -2,6 +2,10 @@ import { test, expect, type Page, type BrowserContext, type Response } from '@pl
 import * as fs from 'fs';
 import * as path from 'path';
 import { fileURLToPath } from 'url';
+import {
+  BLOCK_EDITOR_DIALOG_LABEL,
+  BLOCK_EDITOR_SAVE_NAME,
+} from '../src/lib/blockEditorDialog';
 
 /**
  * Document revision runtime — real UI acceptance (UI-01..UI-16).
@@ -361,18 +365,25 @@ async function closeNamedDialog(page: Page, name: string, timeout = 10_000) {
   await expect(dialog).toHaveCount(0, { timeout });
 }
 
+function blockEditorDialog(target: Page) {
+  return target.getByRole('dialog', { name: BLOCK_EDITOR_DIALOG_LABEL });
+}
+
 async function openFirstPaneEditorAndFill(target: Page, text: string) {
   const pane = target.getByTestId('active-document-pane');
   const block = pane.getByTestId('document-block').first();
   await block.dblclick({ timeout: 15_000 });
-  const editor = target.locator('textarea, [contenteditable="true"]').last();
+  const dialog = blockEditorDialog(target);
+  await expect(dialog).toBeVisible({ timeout: 10_000 });
+  const editor = dialog.locator('textarea, [contenteditable="true"]').first();
   await expect(editor).toBeVisible({ timeout: 10_000 });
   await editor.fill(text);
   return editor;
 }
 
 async function saveOpenEditor(target: Page) {
-  await target.getByRole('button', { name: /保存修改|保存/ }).click();
+  const dialog = blockEditorDialog(target);
+  await dialog.getByRole('button', { name: BLOCK_EDITOR_SAVE_NAME, exact: true }).click();
 }
 
 async function editFirstPaneBlockAndSave(target: Page, text: string) {
@@ -1092,7 +1103,7 @@ test.describe.serial('document-revision-runtime UI acceptance', () => {
     await expect(pageB.getByText('双击任意段落就地编辑')).toHaveCount(0);
     const pane = pageB.getByTestId('active-document-pane');
     await pane.getByTestId('document-block').first().dblclick({ timeout: 15_000 });
-    await expect(pageB.getByRole('button', { name: /保存修改|保存并关闭/ })).toHaveCount(0);
+    await expect(blockEditorDialog(pageB)).toHaveCount(0);
     await shot(pageB, 'UI-13a-reviewer-readonly.png');
     await ctxB.close();
     recordPass({