diff --git a/scrapy_proj/scrapy_proj/db_wapper/spider_db_handler.py b/scrapy_proj/scrapy_proj/db_wapper/spider_db_handler.py
index 53de0d0..1225d95 100644
--- a/scrapy_proj/scrapy_proj/db_wapper/spider_db_handler.py
+++ b/scrapy_proj/scrapy_proj/db_wapper/spider_db_handler.py
@@ -1107,7 +1107,11 @@ class IAFDDBHandler(SQLiteDBHandler):
             logging.debug(f"insert one performer, id: {performer_id}, name: {data['name']}, href: {data['href']}")
 
             # 插入新的 alias
-            for alias in data.get("performer_aka", []):
+            alias_list = data.get("performer_aka", [])
+                # 确保alias是可迭代对象（列表/元组），否则跳过
+                if not isinstance(alias_list, (list, tuple)):
+                    alias_list = []
+            for alias in alias_list:
                 if alias.lower() != "no known aliases":
                     self.insert_or_update_with_composite_pk(
                         data={'performer_id': performer_id, 'alias': alias},