1. First open the browser, enter the main interface, select the menu button in the upper right corner of the toolbar, and select Add Component.

2. Enter the component add page. Click Plug-ins in the toolbar on the left.

3. Enter epub in the search box in the upper right corner of the plug-in page to search.

4. Check the first search result, as shown in the figure, and click Install on the right.

5. After the installation is completed, you will be prompted to restart.

6. Restart the browser. Click on the book-like label in the upper right corner.

7. Click the Sync button in the upper left corner of this book browser.

8. Click "Import" on the left, select the folder containing epub files and confirm. You will see that the epub files in this folder are imported into the page.

9. Go back to the book browser page, click My Library on the left, and you will find that the book you just imported appears in the book catalog.

10. Click any title to browse the specific contents in the epub file. The table of contents is on the left and the text is on the right. Complete the renderings.