refactor(PS): move \usetheme to cls.

fky2015 · fky2015 · commit d4e2b3d73042 · 2022-05-15T15:51:50.000+08:00
diff --git a/templates/presentation-slide/bitbeamer.cls b/templates/presentation-slide/bitbeamer.cls
@@ -24,6 +24,7 @@
 \RequirePackage{xeCJKfntef}
 \RequirePackage{tikz}
 
+\usetheme{Madrid}
 % 设置主题色
 \colorlet{beamer@blendedblue}{green!40!black}
 
diff --git a/templates/presentation-slide/main.tex b/templates/presentation-slide/main.tex
@@ -36,7 +36,6 @@
 \institute{北京理工大学}
 \date{\zhtoday}
 
-\usetheme{Madrid}
 \usefonttheme{serif}              % 使用衬线字体
 \usefonttheme{professionalfonts}  % 数学公式字体
 
