diff --git a/api_orm.py b/api_orm.py
new file mode 100644
index 0000000..06d7405
Binary files /dev/null and b/api_orm.py differ
diff --git a/database.py b/database.py
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--- /dev/null
+++ b/database.py
@@ -0,0 +1,20 @@
+from sqlalchemy import *
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8mb4"
+engine = create_engine(db_url)
+
+Base = declarative_base()
+Session = sessionmaker(bind=engine
+                       , autoflush=False
+                       , autocommit=False
+                       )
+
+
+def get_db():
+    db = Session()
+    try:
+        yield db
+    finally:
+        db.close()
+
diff --git a/main.py b/main.py
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--- /dev/null
+++ b/main.py
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+from fastapi import FastAPI
+from day22.api.order_api import order_api
+from day22.database import engine, Base
+# from day22.model.order_model import ,delete_order,get_order_id
+app = FastAPI()
+
+Base.metadata.create_all(bind=engine) # 自动创建 user_info 和 order_info_detail 两张表
+
+app.include_router(order_api, tags=['订单接口'], prefix='/orders')
+
+if __name__ == '__main__':
+    import uvicorn
+
+    uvicorn.run("main:app", host='127.0.0.1', port=1234)
+