diff --git a/tests/system-test/0-others/tag_index_basic.py b/tests/system-test/0-others/tag_index_basic.py
index 76888a247f..195d8910e7 100644
--- a/tests/system-test/0-others/tag_index_basic.py
+++ b/tests/system-test/0-others/tag_index_basic.py
@@ -190,9 +190,11 @@ class TDTestCase:
 
     # run
     def run(self):
+        # var
         stable = "meters"
         tbname = "d"
         count = 1000
+        # do 
         self.create_table(stable, tbname, count)
         self.create_tagidx(stable)
         self.insert_data(tbname)
@@ -209,5 +211,4 @@ class TDTestCase:
         tdLog.success("%s successfully executed" % __file__)
 
 tdCases.addWindows(__file__, TDTestCase())
-tdCases.addLinux(__file__, TDTestCase())
-
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file