diff --git a/apps/resm/tasks.py b/apps/resm/tasks.py
index 3152cd0..3876e96 100644
--- a/apps/resm/tasks.py
+++ b/apps/resm/tasks.py
@@ -23,13 +23,14 @@ def get_paper_meta_from_openalex(publication_year:int, search_key:str):
         type="article"  # 将 type 移到 filter 中
     ).search(search_key).select([
         "id", "doi", "title", "publication_date", 
-        "open_access", "authorships", "primary_location", "publication_year"
+        "open_access", "authorships", "primary_location", "publication_year",
+        "display_name"
     ]).paginate(per_page=200, n_max=None, cursor=cache_cursor)
     next_cursor = pager._next_value
     for page in pager:
         papers = []
         for record in page:
-            if record["doi"]:
+            if record["doi"] and (record["display_name"] or record["title"]):
                 paper = Paper()
                 paper.id = idWorker.get_id()
                 paper.type = "article"