diff --git a/components/canvas/CanvasWorkspace.tsx b/components/canvas/CanvasWorkspace.tsx
index 0ccadebc1..dc65dd35f 100644
--- a/components/canvas/CanvasWorkspace.tsx
+++ b/components/canvas/CanvasWorkspace.tsx
@@ -808,7 +808,7 @@ export function CanvasWorkspace() {
 
       {/* 缩放控制器 */}
       {selectedImageNodes.length > 0 && (
-        <div className="absolute bottom-16 right-4 z-20">
+        <div className="absolute bottom-4 left-4 z-30">
           <Button
             variant="secondary"
             size="sm"