diff --git a/app/chain/search.py b/app/chain/search.py
index 0da19cbf..aef5dcfb 100644
--- a/app/chain/search.py
+++ b/app/chain/search.py
@@ -62,7 +62,7 @@ class SearchChain(ChainBase):
         获取上次搜索结果
         """
         results = self.systemconfig.get(SystemConfigKey.SearchResults)
-        if not results or not ObjectUtils.is_obj(results):
+        if not results:
             return []
         return pickle.loads(results)