diff --git a/main.tex b/main.tex
index d862db3..38b6a78 100644
--- a/main.tex
+++ b/main.tex
@@ -21,7 +21,7 @@ $MATH$
 \section{is this bold $MATH \Z$?}
 \section{这是bold $\text{你好abc}\R$?}
 \begin{theorem}[sbada]
-    aaa
+    aaa 中文
 \end{theorem}
 
 \begin{equation}
diff --git a/myctex.sty b/myctex.sty
index c376c12..2eb3f9c 100644
--- a/myctex.sty
+++ b/myctex.sty
@@ -12,14 +12,14 @@
 
 % Now use the conditional
 \ifmyctex@sans
-\setCJKmainfont{Source Han Sans SC}
+\setCJKmainfont{Source Han Sans SC}[BoldFont=*, ItalicFont=*]
 \setCJKsansfont{Source Han Sans SC}
 \setCJKmonofont{Source Han Sans SC}
 \usepackage[fira]{fontsetup}
 \usepackage{FiraMono}
 
 \else
-\setCJKmainfont{Source Han Serif SC}
+\setCJKmainfont{Source Han Serif SC}[BoldFont=*, ItalicFont=*]
 \setCJKsansfont{Source Han Serif SC}
 \setCJKmonofont{Source Han Serif SC}
 \RequirePackage[charter]{mathdesign} % math font only for serif mode