diff --git a/alibabacloud_sample/dataservice.py b/alibabacloud_sample/dataservice.py
index 54911d8..ecc7a5e 100644
--- a/alibabacloud_sample/dataservice.py
+++ b/alibabacloud_sample/dataservice.py
@@ -203,8 +203,10 @@ class DataService:
                """
         if time_out != 'all':
             sql += " date('now', '-"+time_out+" day') >= date(verify_time)  and verify_status == 'success' "
-        else:
+        elif verify_status != 'all':
             sql += " verify_status = '" + verify_status+"'"
+        else:
+            sql += " 1 = 1 "
         if start_date is not None:
             sql += " and verify_time >= '" + start_date + "'"
         if end_date is not None: