diff --git a/packages-user/client-modules/src/render/ui/main.tsx b/packages-user/client-modules/src/render/ui/main.tsx
index 058505c..2d9f9ff 100644
--- a/packages-user/client-modules/src/render/ui/main.tsx
+++ b/packages-user/client-modules/src/render/ui/main.tsx
@@ -255,6 +255,7 @@ const MainScene = defineComponent(() => {
             width={MAIN_WIDTH}
             height={MAIN_HEIGHT}
             noanti
+            nocache
         >
             <LeftStatusBar
                 loc={[0, 0, STATUS_BAR_WIDTH, STATUS_BAR_HEIGHT]}
diff --git a/packages/render-core/src/item.ts b/packages/render-core/src/item.ts
index 2f53b0c..47f2924 100644
--- a/packages/render-core/src/item.ts
+++ b/packages/render-core/src/item.ts
@@ -442,6 +442,7 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
                 this.cacheDirty = false;
             }
 
+            canvas.ctx.imageSmoothingEnabled = false;
             canvas.ctx.drawImage(this.cache.canvas, ax, ay, width, height);
         } else {
             canvas.ctx.translate(ax, ay);