diff --git a/cn/activities.tex b/cn/activities.tex
index 9492771..3034e78 100644
--- a/cn/activities.tex
+++ b/cn/activities.tex
@@ -4,6 +4,7 @@ \subsection{学术团体}
 \begin{itemize}
 \item \href{https://sites.agu.org/}{美国地球物理联合会（AGU）}会员（2012至今）
 \item \href{http://www.cgscgs.org.cn/}{中国地球物理学会（CGS）}会员（2022至今）
+\item \href{https://www.ssoc.org.cn/}{中国地震学会}会员（2024 至今）
 \end{itemize}
 
 \subsection{学术服务}
diff --git a/en/activities.tex b/en/activities.tex
index 1665ae2..cac268e 100644
--- a/en/activities.tex
+++ b/en/activities.tex
@@ -4,6 +4,7 @@ \subsection{Professional Societies}
 \begin{itemize}
 \item Member of \href{https://sites.agu.org/}{American Geophysical Union (AGU)} (since 2012)
 \item Member of \href{http://www.cgscgs.org.cn/}{Chinese Geophysical Society (CGS)} (since 2022)
+\item Member of \href{https://www.ssoc.org.cn/}{Seismological Society of China)} (since 2024)
 \end{itemize}
 
 \subsection{Professional Services}