diff --git a/tests/pytest/concurrent_inquiry.py b/tests/pytest/concurrent_inquiry.py
index 5d1e9a75374c7518367ce9613bf2fd43b39bb865..6f4258312d318bbfcc757153752d1fbebb205581 100644
--- a/tests/pytest/concurrent_inquiry.py
+++ b/tests/pytest/concurrent_inquiry.py
@@ -146,7 +146,7 @@ class ConcurrentInquiry:
             col_list=self.stb_stru_list[tbi-1]
             tag_list=self.stb_tag_list[tbi-1]
             is_stb=1
-        tlist=col_list+tag_list
+        tlist=col_list+tag_list+['abc']            #增加不存在的域'abc'，是否会引起新bug
         con_rand=random.randint(0,len(condition_list))
         func_rand=random.randint(0,len(func_list))
         col_rand=random.randint(0,len(col_list))