diff --git a/tests/system-test/2-query/join.py b/tests/system-test/2-query/join.py
index 7ed614c7a593f6ef810cdb6858b4d1006a564f3b..c263a0b41285950e35a717db3749e475da38809a 100644
--- a/tests/system-test/2-query/join.py
+++ b/tests/system-test/2-query/join.py
@@ -51,7 +51,7 @@ class TDTestCase:
             )
             query_condition.extend( f"{tbname}.{num_col} + {tbname}.{num_col_1} " for num_col_1 in NUM_COL )
 
-        query_condition.append('''"test1234!@#$%^&*():'><?/.,][}{"''')
+        query_condition.append(''' "test1234!@#$%^&*():'><?/.,][}{" ''')
 
         return query_condition