#doc: 修改demo默认渲染模式

Author: Byte-n

src/demo.ts

@@ -2,7 +2,7 @@ import ScrollFrameCanvas from './ScrollFrameCanvas';
 
 // 全局变量
 let scrollFrameCanvas: ScrollFrameCanvas | null = null;
-let currentFrameRatio = 3;
+let currentFrameRatio = 0;
 let scrollHint: HTMLElement | null = null;
 let hintShown = false;