diff --git a/build.sh b/build.sh
index 2238869..e792bd6 100755
--- a/build.sh
+++ b/build.sh
@@ -81,3 +81,10 @@ sudo mkdir /var/log/sage
 sudo cp sage.service /etc/systemd/system
 sudo systemctl enable sage
 sudo systemctl restart sage
+new_cron="0 1 * * * curl http://localhost:9180/appbase/cron/switch_bizdate.dspy"
+cc=$(crontab -l 2>/dev/null)
+if ! echo "$cc"|grep -Fq "$new_cron"; then
+	(echo "$cc";echo "$new_cron") | crontab -
+else
+	echo "任务已存在，未重复添加。"
+fi