diff --git a/install/tianji-install.sh b/install/tianji-install.sh
index 1f1d61009..e35f59be0 100644
--- a/install/tianji-install.sh
+++ b/install/tianji-install.sh
@@ -27,6 +27,7 @@ PG_VERSION="17" setup_postgresql
 PG_DB_NAME="tianji_db" PG_DB_USER="tianji" setup_postgresql_db
 PYTHON_VERSION="3.13" setup_uv
 fetch_and_deploy_gh_release "tianji" "msgbyte/tianji" "tarball"
+TIANJI_SECRET="$(openssl rand -base64 32 | cut -c1-24)"
 
 msg_info "Setting up Tianji"
 cd /opt/tianji