Thanks for your waiting of WEB TV html version
It is more smooth, and stable.
But you need you do these if your web tv is not working.

1: At the top right, click More .
2: Click Setting> privacy and security
3: Select clear data, history and cookies are included
4: Click Clear data.

1. Click on the Safari tab at the top right of your screen and choose Preferences from the dropdown menu.
2. Click the Advanced tab of the menu that pops up.
3. At the end of the tab, select the "Show Develop menu in menu bar" box and close the Preferences menu.
4. Click the Develop tab from the Safari menu at the top of the page.
5. Click Empty Caches from the dropdown menu.

You may also want to clear your browsing history in addition to emptying your cache. Here's how to do that.
1. Choose the History tab in Safari (pictured above).
2. At the very bottom of the dropdown menu, choose Clear History.
3. A box pops up with a choice to clear the last hour, today, today and yesterday, or all history. Choose your time frame and click the Clear History button.

Download iSakura WebTV HLS Live and playback.
Please install the plugin to the browser for download video.

Stream Recorder-download HLS as MP4 for Chrome

HLS Downloader for Firefox