diff --git a/tests/system-test/0-management/1-stable/create_col_tag.py b/tests/system-test/0-management/1-stable/create_col_tag.py
index fd8c7f17541163b7964b67f7bb85b148517a120d..5960c769f50dc7ebc205cfce88324906477f77c4 100644
--- a/tests/system-test/0-management/1-stable/create_col_tag.py
+++ b/tests/system-test/0-management/1-stable/create_col_tag.py
@@ -93,7 +93,8 @@ class TDTestCase:
 
     def run(self):
 
-        os.system("rm -rf 0-management/1-stable/create_col_tag.py.sql")
+        testcaseFilename = os.path.split(__file__)[-1]
+        os.system("rm -rf 0-management/1-stable/%s.sql" % testcaseFilename ) 
         tdSql.prepare()
 
         print("==============step1")