diff --git a/player.html b/player.html
index ac727e8..ca81c5c 100644
--- a/player.html
+++ b/player.html
@@ -1689,6 +1689,8 @@
               }
             });
 
+            console.log('canvas', canvas);
+
             // 将捕捉到的画面绘制到录制画布上
             mvCtx.clearRect(0, 0, mvCanvas.width, mvCanvas.height);
             mvCtx.drawImage(canvas, 0, 0, mvCanvas.width, mvCanvas.height);