update font packages; add .latexmkrc for xelatex support

.latexmkrc

@@ -0,0 +1,5 @@
+$pdf_mode = 1;              # 生成PDF
+$latex = 'xelatex %O %S';   # 用 xelatex 替代 latex
+$pdflatex = 'xelatex %O %S'; # 用 xelatex 替代 pdflatex
+$dvi_mode = 0;              # 禁用DVI输出
+$postscript_mode = 0;       # 禁用PS输出

beamerthemeSimple.sty

@@ -2,8 +2,11 @@
 % !TEX TS-program = xelatex
 % fonts
 \RequirePackage[sfdefault]{FiraSans}
-\RequirePackage[mathrm=sym]{unicode-math}
+\RequirePackage{FiraMono} 
-\setmathfont{Fira Math}
+\renewcommand{\rmfamily}{\sffamily}
+\RequirePackage[fakebold]{firamath-otf}
+\RequirePackage{xeCJK}
+\setCJKmainfont{Source Han Sans SC}
 
 \RequirePackage[english]{babel}
 \RequirePackage{fancyhdr}        % header footer

main.tex

@@ -2,7 +2,7 @@
 
 \title[template example]{Minimizing the Sum of Piecewise Linear Convex Functions}
 \date{\today}
-\author{Yu Cong}
+\author{丛宇}
 % \AtBeginSection[]{
 %     \frame{\frametitle{Outline}\tableofcontents[currentsection, 
 %     subsectionstyle=show/show/shaded]}