完全跑通1.0版本

backend/app/crawler/rss_fetcher.py

@@ -60,14 +60,15 @@ async def fetch_rss(url: str, max_items: int = 30) -> list[dict]:
     return items
 
 
-# 默认新闻源（管理页可增删）
+# 默认新闻源（管理页可增删）— URLs 经过验证可用
 DEFAULT_SOURCES = [
     # 中文
-    {"name": "国家药监局", "url": "https://www.nmpa.gov.cn/rss/yaopinxinxi.xml", "language": "zh", "category": "药品监管"},
-    {"name": "丁香园", "url": "https://www.dxy.cn/bbs/feed.xml", "language": "zh", "category": "临床研究"},
-    {"name": "医学界", "url": "https://www.yxj.org.cn/rss.xml", "language": "zh", "category": "行业动态"},
+    {"name": "中国新闻网·健康", "url": "https://www.chinanews.com.cn/rss/health.xml", "language": "zh", "category": "行业动态"},
     # 英文
     {"name": "STAT News", "url": "https://www.statnews.com/feed/", "language": "en", "category": "临床研究"},
     {"name": "FiercePharma", "url": "https://www.fiercepharma.com/rss/xml", "language": "en", "category": "行业动态"},
-    {"name": "FDA News", "url": "https://www.fda.gov/about-fda/contact-fda/stay-informed/rss-feeds/fda-news-feed/rss.xml", "language": "en", "category": "药品监管"},
+    {"name": "FierceBiotech", "url": "https://www.fiercebiotech.com/rss/xml", "language": "en", "category": "临床研究"},
+    {"name": "FDA MedWatch", "url": "https://www.fda.gov/about-fda/contact-fda/stay-informed/rss-feeds/medwatch/rss.xml", "language": "en", "category": "药品监管"},
+    {"name": "FDA Press Releases", "url": "https://www.fda.gov/about-fda/contact-fda/stay-informed/rss-feeds/press-releases/rss.xml", "language": "en", "category": "药品监管"},
+    {"name": "Nature Medicine", "url": "https://www.nature.com/nm.rss", "language": "en", "category": "临床研究"},
 ]