How do I convert the "Verification code" image to text, OCR text doesn't work and the text gets refreshed automatically after every 10 secs

Question

https://w1.leisurelink.lcsd.gov.hk/leisurelink/application/checkCode.do?flowId=1&lang=EN

Ocr.setUp(); // one time setup
Ocr ocr = new Ocr(); // create a new OCR engine
ocr.startEngine("eng", Ocr.SPEED_FASTEST); // English
String st = ocr.recognize(new File[] {new File("C:\\Users\\USER\\Downloads\\readtext.jpg")},
        Ocr.RECOGNIZE_TYPE_ALL, Ocr.OUTPUT_FORMAT_PLAINTEXT); // PLAINTEXT | XML | PDF | RTF
System.out.println("Result: " + st.toString());
ocr.stopEngine();