Update README.md

Author: yushulx

examples/official/yolo_qr/README.md

@@ -47,6 +47,8 @@ This repository provides samples demonstrating how to detect QR codes using **YO
 
 #### QR Reading with Dynamsoft Barcode Reader
 
+![QR code detection with YOLO and Dynamsoft Barcode Reader](https://www.dynamsoft.com/codepool/img/2020/11/python-qr-code-scan.png)
+
 Below is a sample code snippet for reading QR codes with the Dynamsoft Barcode Reader:
 
 ```py
@@ -106,4 +108,4 @@ for item in items:
     ```
 
 ## Blog
-[How to Detect and Decode QR Code with YOLO, OpenCV, and Dynamsoft Barcode Reader](https://www.dynamsoft.com/codepool/qr-code-detect-decode-yolo-opencv.html)
+[How to Detect and Decode QR Code with YOLO, OpenCV, and Dynamsoft Barcode Reader](https://www.dynamsoft.com/codepool/qr-code-detect-decode-yolo-opencv.html)