I don't know why there is an input box under the code tag and my epub has an image that cannot be displayed.

[ycsghr]

I don't know why there is an input box under the code tag and my epub has an image that cannot be displayed.
This is my epub file
wwww.zip

[ycsghr]

Sorry, my English is not good. I don't know what to fill in the board.

[ycsghr]

When I press and hold on Chinese, he always can't show the highlighting operation and always has the system stuff on my phone.

[ycsghr]

[hrishikesh-kadam]

@ycsghr Can you tell us which FolioReader version are you using?
Also tell us which Android version are you using?

[ycsghr]

[ycsghr]

Android7.0

[ycsghr]

How can I ensure that my epub file will not be manipulated by the user?