diff --git a/pages/component/canvas/canvas.uvue b/pages/component/canvas/canvas.uvue
index 0d907a3fd336c082ae48ec60285048120b9aaa7b..1db68b6aed9c1cb1a5a9646fb06aca3b541931dc 100644
--- a/pages/component/canvas/canvas.uvue
+++ b/pages/component/canvas/canvas.uvue
@@ -47,7 +47,7 @@
 <script>
   function hidpi(canvas : UniCanvasElement) {
     const context = canvas.getContext("2d")!;
-    const dpr = uni.getDeviceInfo().devicePixelRatio ?? 1;
+    const dpr = uni.getWindowInfo().pixelRatio ?? 1;
     canvas.width = canvas.offsetWidth * dpr;
     canvas.height = canvas.offsetHeight * dpr;
     context.scale(dpr, dpr);