diff --git a/tests/script/general/parser/tags_filter.sim b/tests/script/general/parser/tags_filter.sim
index e05776ff11a67fb0b577219046044fdc8e825dc8..d77581582846e98fe4e11a1a717c9336ebb69566 100644
--- a/tests/script/general/parser/tags_filter.sim
+++ b/tests/script/general/parser/tags_filter.sim
@@ -73,6 +73,9 @@ endi
 sql select * from stb where t1 > '1'
 sql select * from stb where t1 > 'a'
 
+print =====================> TD-2685
+sql_error select t1, count(t1) from stb;
+
 ## wildcard '%' 
 #sql select * from stb where t1 like '%'
 #if $rows != 1 then