diff --git a/README.md b/README.md
index 1e92e6112f06c6c648c84788a406a017bfcf863e..ab9bf7488333c33541e3f38fa9705011883877dd 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ PaddleOCR旨在打造一套丰富、领先、且实用的OCR工具库，助力
 - 超轻量级中文OCR在线体验地址：https://www.paddlepaddle.org.cn/hub/scene/ocr
 - [基于EasyEdge和Paddle-Lite的**移动端demo**体验](https://ai.baidu.com/easyedge/app/openSource?from=paddlelite)(点击链接或直接扫描如下二维码)
 <div align="center">
-    <img src="./doc/mobile_demo_qrcode.png"  width = "600" height = "160" />
+    <img src="./doc/mobile_demo_qrcode.png"  width = "700" height = "200" />
 </div>
 
 - [**中文OCR模型快速使用**](./doc/doc_ch/quickstart.md)