更動01.rmd檔名後無法生成pdf

[ChenChingChih]

廖大神你好， 要如何更動01.rmd，但又不會造成無法生成pdf 遇到的bug如下

Output created: _book/ntu-bookdown.pdf
Warning message:
LaTeX Warning: Command \@footnotemark  has changed.
               Check if current package is valid.
Package transparent Warning: Loading aborted, because pdfTeX is not running in 
PDF mode.
LaTeX Warning: Reference `import-template' on page 4 undefined on input line 37