fix: 添加 psycopg2-binary 和 gunicorn 到依赖

- 添加 PostgreSQL 驱动 psycopg2-binary
- 添加 gunicorn 生产服务器

city-manual/backend/requirements.txt

@@ -3,3 +3,5 @@ djangorestframework
 djangorestframework-simplejwt
 django-cors-headers
 Pillow
+psycopg2-binary
+gunicorn

city-manual/scripts/deploy-to-cloud.sh

@@ -6,7 +6,7 @@ set -e
 
 # 配置
 SERVER_HOST="cssc.datalibstar.com"
-SERVER_USER="mashen"
+SERVER_USER="ubuntu"
 SERVER_PASS="825670@MashenClaw"
 PROJECT_PATH="/root/.openclaw/workspace/city-manual"
 

city-manual/scripts/deploy-via-rsync.sh

@@ -58,7 +58,7 @@ pip install -r requirements.txt -q
 pip install gunicorn -q
 
 echo "🗄️  配置环境变量..."
-cd /home/ubuntu/city-manual
+cd /home/ubuntu/city-manual/backend
 cat > .env << EOF
 DJANGO_SETTINGS_MODULE=config.settings.production
 DJANGO_SECRET_KEY=cssc-secret-key-$(date +%s)
@@ -70,8 +70,8 @@ STATIC_ROOT=/home/ubuntu/city-manual/backend/static
 EOF
 
 echo "📦 数据库迁移..."
-cd backend
-source ../venv/bin/activate
+cd /home/ubuntu/city-manual/backend
+source venv/bin/activate
 python manage.py migrate --noinput
 python manage.py collectstatic --noinput