diff --git a/libs/tiptap-editor/src/__tests__/runnable-modal.test.ts b/libs/tiptap-editor/src/__tests__/runnable-modal.test.ts
index 51ab95b..6079fbc 100644
--- a/libs/tiptap-editor/src/__tests__/runnable-modal.test.ts
+++ b/libs/tiptap-editor/src/__tests__/runnable-modal.test.ts
@@ -142,9 +142,11 @@ describe('openRunnableModal', () => {
     expect(document.querySelector('.tiptap-runnable-modal')).toBeNull();
   });
 
-  it('Esc 关闭弹框(不插入)', () => {
+  it('Esc 关闭弹框(不插入)', async () => {
     const { editor, calls } = mockEditor();
     openRunnableModal(editor);
+    // keydown 监听延迟注册（setTimeout(0)），需先 flush timer
+    await new Promise((r) => setTimeout(r, 0));
     document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }));
     expect(calls).toHaveLength(0);
     expect(document.querySelector('.tiptap-runnable-modal')).toBeNull();
diff --git a/libs/tiptap-editor/src/slash-command.ts b/libs/tiptap-editor/src/slash-command.ts
index 8ab858c..2010c46 100644
--- a/libs/tiptap-editor/src/slash-command.ts
+++ b/libs/tiptap-editor/src/slash-command.ts
@@ -680,8 +680,12 @@ export function openRunnableModal(editor: Editor, editPos?: number, currentInfo?
     }
   }
 
-  document.addEventListener('keydown', onKeydown);
   document.body.appendChild(mask);
+  // 延迟注册 keydown 监听：openRunnableModal 可能在 slash 命令的 Enter keydown 事件处理中
+  // 同步调用。若立即注册，该 Enter 事件继续冒泡到 document 时会被模态框的 onKeydown 捕获，
+  // 触发 insert() → close()——模态框在同一 tick 内被创建又被销毁，用户看不到。
+  // setTimeout(0) 推迟到下一个宏任务，确保触发事件已完成传播。
+  setTimeout(() => document.addEventListener('keydown', onKeydown), 0);
   updatePreview();
   updateInsertEnabled();
   langSelect.focus();