修改成在启动的时候可以自动初始化数据

backend/app/main.py

@@ -1,6 +1,7 @@
 # app/main.py
 import logging
 import os
+import httpx
 from contextlib import asynccontextmanager
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
@@ -21,6 +22,7 @@ from app.services.summary_service import generate_unified_summaries
 from app.services.delivery_service import check_and_deliver
 from app.database import engine
 from app.models.models import Base
+from app.initialize import init
 
 # 路由总线
 from app.api.router import api_router
@@ -41,7 +43,11 @@ async def lifespan(app: FastAPI):
     logging.info("正在初始化数据库表...")
     Base.metadata.create_all(bind=engine)
     logging.info("数据库表初始化完成！")
-
+    
+    logging.info("初始化订阅源")
+    init()
+    logging.info("订阅源初始化完毕")
+    
     # 2. 配置并启动定时任务
     scheduler.add_job(
         fetch_and_save_trending_data,
@@ -106,7 +112,6 @@ app.add_middleware(
 # 版本控制
 app.include_router(api_router, prefix="/api/v1")
 
-
 # 健康检查
 @app.get("/", tags=["健康检查"])
 async def root():