diff --git a/frontend-web/src/open-canvas/pages/AIWritingPage.tsx b/frontend-web/src/open-canvas/pages/AIWritingPage.tsx
index c403bb45..54e9389f 100644
--- a/frontend-web/src/open-canvas/pages/AIWritingPage.tsx
+++ b/frontend-web/src/open-canvas/pages/AIWritingPage.tsx
@@ -202,7 +202,13 @@ function AIWritingLayout({ hideAdvancedFields, initialNotebookId, initialDocumen
         <WritingFormPanel hideAdvancedFields={hideAdvancedFields} />
       </ResizablePanel>
 
-      <ResizableHandle withHandle />
+      {/* 隐形拖拽热区只向右（草稿区）延伸、可见抓手也微微右移，二者都不再盖住左侧时间线的
+          滚动条——否则鼠标想抓滚动条会误触左右 resize、导致滑不动。右侧是草稿区留白(px-10)，
+          盖住无副作用。 */}
+      <ResizableHandle
+        withHandle
+        className="after:left-0 after:w-3 after:translate-x-0 [&>div]:translate-x-1.5"
+      />
 
       {/* 右侧：草稿预览面板 */}
       <ResizablePanel