diff --git a/cmake/preInstall.sh b/cmake/preInstall.sh
index f7bb453..3ec1f37 100644
--- a/cmake/preInstall.sh
+++ b/cmake/preInstall.sh
@@ -2,6 +2,7 @@
 DST=${RPM_INSTALL_PREFIX}
 mkdir -p ${DST}/plug/protocol/
 touch ${DST}/plug/conflist.inf
+mkdir ${DST}/etc/
 touch ${DST}/etc/entrylist.conf
 if [[ -z `grep -rn 'quic.inf' ${DST}/plug/conflist.inf` ]];then
 	sed -i '/\[protocol\]/a\./plug/protocol/quic/quic.inf' ${DST}/plug/conflist.inf