diff --git a/update.sh b/update.sh
index 674db0c..fb47550 100755
--- a/update.sh
+++ b/update.sh
@@ -1,6 +1,7 @@
 # 先备份数据库文件再拉取更新 $(date "+%Y%m%d%H%M%S")当前时间年月日时分秒
 cp /var/www/html/ptools/db/db.sqlite3 /var/www/html/ptools/db/db.sqlite3-$(date "+%Y%m%d%H%M%S") &&
-  git pull &&
+  git pull origin $DEV &&
   cp -f /var/www/html/ptools/start.sh /var/www/html/start.sh &&
+  pip install -r requirements.txt -U &&
   python manage.py makemigrations &&
   python manage.py migrate