Update index.html

fix broken link

Author: Tom-Dynamsoft

index.html

@@ -124,7 +124,7 @@ <h3>Barcode Reader Samples</h3>
                         RequireJS</a><span id="icon011" class="tooltipIcon"></span>
                     <a class="github" href="https://github.com/Dynamsoft/barcode-reader-javascript-samples/blob/master/1.hello-world/11.read-video-requirejs.html" title="Check code on GitHub"></a>
                 </div>
-                <div class="file"><a data-balloon-length="fit" data-balloon-pos="down" aria-label="Decode video stream from a USB-connected or built-in camera (mobile or desktop) in a web application that uses ES6." class="button title" target="_blank" href="https://www.dynamsoft.com/barcode-reader/programming/javascript/samples-demos/helloworld-es6.html">Hello
+                <div class="file"><a data-balloon-length="fit" data-balloon-pos="down" aria-label="Decode video stream from a USB-connected or built-in camera (mobile or desktop) in a web application that uses ES6." class="button title" target="_blank" href="https://demo.dynamsoft.com/Samples/DBR/JS/1.hello-world/12.minimum-code-es6.html">Hello
                         World with
                         ES6</a><span id="icon012" class="tooltipIcon"></span>
                     <a class="github" href="https://github.com/Dynamsoft/barcode-reader-javascript-samples/tree/master/1.hello-world/12.minimum-code-es6.html" title="Check code on GitHub"></a>
@@ -342,4 +342,4 @@ <h3>Barcode Reader Samples</h3>
     }
 </script>
 
-</html>
+</html>