Thanks, That's the key, Also set "#+OPTIONS: H:4" is ok 在2017年05月11 00时15分, "Nicolas Goaziou"写道: Hello, "XP Chen" writes: > I add follow lines in .emacs: > > (add-to-list 'org-latex-classes > '("thesis1" > "\\documentclass{thesis1}" > ("\\chapter{%s}" . "\\chapter*{%s}") > ("\\section{%s}" . "\\section*{%s}") > ("\\subsection{%s}" . "\\subsection*{%s}") > ("\\subsubsection{%s}" . "\\subsubsection*{%s}") > ("\\paragraph{%s}" . "\\paragraph*{%s}"))) > ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))) > > However it no works. The .tex have no subsubsection. Instead, it convert "**** XX" to "\item XX" in .tex file. > > Is the org export can only accept 3 section? How to resolve it? See `org-export-headline-levels'. Regards, -- Nicolas Goaziou