diff --git a/setup.sh b/setup.sh
index 22ab54e..16063a4 100755
--- a/setup.sh
+++ b/setup.sh
@@ -118,7 +118,7 @@ echo "[6/6] Setting up crontab..."
 
 CRON_MAIN="*/5 * * * * sleep 30 && cd $PROJECT_DIR && /usr/bin/python3 main.py >> cron.log 2>&1"
 CRON_SYNC="2,32 * * * * cd $PROJECT_DIR && /usr/bin/python3 sync_cost_basis.py >> sync_cost_basis_cron.log 2>&1"
-CRON_CHECK="*/5 * * * * cd $PROJECT_DIR && /usr/bin/python3 check_errors.py 2>&1"
+CRON_CHECK="7 * * * * cd $PROJECT_DIR && /usr/bin/python3 check_errors.py 2>&1"
 CRON_ENV="PATH=$HOME/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 CRON_PYPATH="PYTHONPATH=$HOME/.local/lib/python3.12/site-packages"
 
@@ -161,4 +161,4 @@ echo ""
 echo "Crontab 排程："
 echo "  main.py:            每 5 分鐘（延遲 30 秒）"
 echo "  sync_cost_basis.py:  每小時 :02 和 :32"
-echo "  check_errors.py:     每 5 分鐘（有錯才 Slack @channel）"
+echo "  check_errors.py:     每小時 :07（有錯才 Slack @channel）"