优化

app/tool/page_extract.py

@@ -13,7 +13,7 @@
 from __future__ import annotations
 
 from app.core.logger import log
-from app.tool.browser import open_page, query
+from app.tool.browser import close_page, open_page, query
 from app.tool.cv import has_qr
 from app.tool.image_download import download_image
 from app.tool.ocr import ocr
@@ -39,12 +39,17 @@ def extract_page(url: str) -> str:
     if not url or not url.startswith("http"):
         return ""
 
+    page_id: str | None = None
     try:
         page_id = open_page(url, _WAIT_MS)
         nodes = query(page_id, _SELECTOR)
     except Exception as exc:
         log.error(f"公告页打开失败: {url} | {exc}")
         return ""
+    finally:
+        # 页面数据已取出，尽早释放浏览器上下文，不占着资源等后续 OCR
+        if page_id is not None:
+            close_page(page_id)
 
     texts: list[str] = []
     image_urls: list[str] = []