diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
index 4a192e6e2..ac317ae3c 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
@@ -476,7 +476,9 @@ export function PreviewWorkspace({
                   min={25}
                   max={200}
                   step={5}
-                  value={Math.round(viewport.scale * 100)}
+                  value={Math.round(
+                    Number.parseInt(actions.displayPercent, 10),
+                  )}
                   aria-label="画布缩放"
                   className="h-1 w-28 accent-orange-500"
                   onChange={(event) =>