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saars/README.md

@@ -43,7 +43,8 @@ pip install -r requirements.txt
 export FLASK_ENV=development
 export DATABASE_URL=mysql+pymysql://root:!Rjb12191@gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/liaotian_db?charset=utf8mb4
 export REDIS_URL=redis://localhost:6379/0
-flask db upgrade   # 需先创建数据库并执行迁移
+# 首次部署：在腾讯云 MySQL 上先建库（见 backend/scripts/init_db.sql），再执行：
+flask db upgrade
 python run.py      # 或 gunicorn -k eventlet -w 1 run:app
 ```