diff --git a/src/frontend/client/src/layouts/MainLayout.tsx b/src/frontend/client/src/layouts/MainLayout.tsx
index 586e4bdc0..93bf68183 100644
--- a/src/frontend/client/src/layouts/MainLayout.tsx
+++ b/src/frontend/client/src/layouts/MainLayout.tsx
@@ -320,10 +320,15 @@ export default function MainLayout() {
   );
   const isAppChatRoute = /^\/app(\/|$)/.test(pathname);
   const isChannelRoute = /^\/channel(\/|$)/.test(pathname);
-  /** 订阅 / 应用中心 / 应用对话：白卡片不滚动，把高度交给页面内层（含移动端 ≤767 与桌面窄窗） */
+  const isKnowledgeSettingsRoute = Boolean(
+    matchPath({ path: '/knowledge/create', end: true }, pathForMatch) ||
+    matchPath({ path: '/knowledge/space/:spaceId/settings', end: true }, pathForMatch),
+  );
+  /** These full-height surfaces keep the white shell fixed and delegate scrolling to their page content. */
   const innerScrollShell =
     /^\/(c|linsight)(\/|$)/.test(pathname) ||
     isChannelRoute ||
+    isKnowledgeSettingsRoute ||
     isAppChatRoute ||
     (isAppsArea && !isAppsExploreRoute);
   const isKnowledgeRoute = /^\/knowledge(\/|$)/.test(pathname);
diff --git a/src/frontend/client/src/pages/unifiedPermissionEntryRoutes.test.tsx b/src/frontend/client/src/pages/unifiedPermissionEntryRoutes.test.tsx
index 7c2214c55..803e4aae7 100644
--- a/src/frontend/client/src/pages/unifiedPermissionEntryRoutes.test.tsx
+++ b/src/frontend/client/src/pages/unifiedPermissionEntryRoutes.test.tsx
@@ -21,6 +21,14 @@ describe("F044 unified permission entry structure", () => {
     expect(routes).toContain("default: module.ChannelSettingsPage");
   });
 
+  it("gives knowledge create and settings pages an inner scrolling shell", () => {
+    const layout = source("layouts/MainLayout.tsx");
+
+    expect(layout).toContain("path: '/knowledge/create'");
+    expect(layout).toContain("path: '/knowledge/space/:spaceId/settings'");
+    expect(layout).toContain("isKnowledgeSettingsRoute ||");
+  });
+
   it("uses one settings callback and retains unrelated channel actions", () => {
     const articleMenu = source("pages/Subscription/ArticleList/ChannelActionsMenu.tsx");
     const sidebarItem = source("pages/Subscription/Sidebar/ChannelItem.tsx");