diff --git a/paper/latex/chapters/cover.tex b/paper/latex/chapters/cover.tex
index a16e5a2..894e59d 100644
--- a/paper/latex/chapters/cover.tex
+++ b/paper/latex/chapters/cover.tex
@@ -7,7 +7,7 @@
     \vspace{0.2cm}    
     \centering
     
-    {\zihao{1}\CJKfamily{zhkai}{本~科~毕~业~论~文（设计）}}
+    {\zihao{1}\CJKfamily{fzkaiti}\bfseries 本~科~毕~业~论~文（设~计）}
     
     \vspace{2.5cm}
     
diff --git a/paper/latex/main.tex b/paper/latex/main.tex
index d260ea2..6f7dd12 100644
--- a/paper/latex/main.tex
+++ b/paper/latex/main.tex
@@ -68,7 +68,14 @@
 \definecolor{dkgreen}{rgb}{0,0.6,0}
 \definecolor{gray}{rgb}{0.5,0.5,0.5}
 \definecolor{mauve}{rgb}{0.58,0,0.82}
+
 \usepackage{fontspec}
+
+\setCJKfamilyfont{fzkaiti}[
+AutoFakeBold = 1.2,            % 加粗强度
+ItalicFont = 方正楷体_GBK.TTF   % 防止斜体切换异常（非必须）
+]{方正楷体_GBK.TTF}
+
 \setmonofont{Consolas}
 \lstset{ %
 	numbers=left,