diff --git a/Merge/back_wzy/app.py b/Merge/back_wzy/app.py
new file mode 100644
index 0000000..a90f62f
--- /dev/null
+++ b/Merge/back_wzy/app.py
@@ -0,0 +1,30 @@
+# app.py
+
+from flask import Flask
+from flask_cors import CORS
+from config import Config
+from extensions import db, migrate
+
+def create_app():
+    app = Flask(__name__)
+    app.config.from_object(Config)
+
+    # 启用 CORS：允许前端 http://localhost:5173 发起跨域请求
+    # 生产环境请根据实际域名调整 origins
+    CORS(app, resources={r"/*": {"origins": "*"}})
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    # 在工厂函数里再导入并注册蓝图
+    from routes.posts    import posts_bp
+    from routes.comments import comments_bp
+
+    app.register_blueprint(posts_bp,    url_prefix='/posts')
+    app.register_blueprint(comments_bp, url_prefix='/posts/<int:post_id>/comments')
+
+    return app
+
+# 只有直接用 python app.py 时，这段才会执行
+if __name__ == '__main__':
+    app = create_app()
+    app.run(host='0.0.0.0', port=5714, debug=True)