diff --git a/executor-wasm/index.html b/executor-wasm/index.html
index 4c89676..c9ada3a 100644
--- a/executor-wasm/index.html
+++ b/executor-wasm/index.html
@@ -35,8 +35,10 @@
 
     function resize(canvasObj) {
       canvasObj.style = null;
-      canvasObj.width = window.screen.width;
-      canvasObj.height = window.screen.height;
+      canvasObj.width = window.screen.width * window.devicePixelRatio;
+      canvasObj.height = window.screen.height * window.devicePixelRatio;
+      canvasObj.style.width = window.screen.width + "px";
+      canvasObj.style.height = window.screen.widheightth + "px";
     }
   </script>
 </html>