5.3.12
Fixed a bug in fill-in-the-blank questions that the display collapses when you answer incorrectly.
Fixed the specification that the start screen of the complete strategy mode cannot be scrolled in IE.
Remove character size specification for p tags
Fixed a bug in combination problems where the right side options overlap.
If score_weighting is set, score_weighting is automatically enabled
Fixed a bug where the same sound effect would only play once on iOS.
Added the option of interruption resume function
