diff --git a/apps/resm/tasks.py b/apps/resm/tasks.py
index 5d9a11d..5346ca1 100644
--- a/apps/resm/tasks.py
+++ b/apps/resm/tasks.py
@@ -317,12 +317,13 @@ def download_pdf(paper_id):
         # 将状态改为downloading
         paper.fetch_status = 'downloading'
         paper.save(update_fields=['fetch_status', 'update_time'])
-        
-        current_from = "oa_url"
-        msg = save_pdf_from_oa_url(paper)
-        if paper.has_fulltext_pdf is False:
-            current_from = "openalex"
-            msg = save_pdf_from_openalex(paper)
+        msg = "没有下载渠道"
+        if paper.oa_url:
+            current_from = "oa_url"
+            msg = save_pdf_from_oa_url(paper)
+        # if paper.has_fulltext_pdf is False and cache.get("openalex_api_exceed") is None:
+        #     current_from = "openalex"
+        #     msg = save_pdf_from_openalex(paper)
         return msg, current_from
     finally:
         if paper.fetch_status == "downloading":