diff --git a/app/admin_service.py b/app/admin_service.py
index 23c1544..e014ee0 100644
--- a/app/admin_service.py
+++ b/app/admin_service.py
@@ -114,5 +114,5 @@ def get_users():
 
 def update_user_password(username, password="123456"):
     with db_session:
-        if user := User.select(name=username).first():
+        if if user := User.select(name=username).first():
             user.password = md5(username + password)
diff --git a/build.sh b/build.sh
index 4348b2f..e313fce 100755
--- a/build.sh
+++ b/build.sh
@@ -3,6 +3,10 @@
 DEPLOYMENT_DIR=/home/lanhui/englishpal2/EnglishPal
 cd $DEPLOYMENT_DIR
 
+# Install dependencies
+
+pip3 install -r requirements.txt
+
 # Stop service
 sudo docker stop EnglishPal
 sudo docker rm EnglishPal