diff --git a/tests/pytest/insert/insertFromCSV.py b/tests/pytest/insert/insertFromCSV.py
index c5d36485699dd2b798b353b614008be7234edfd4..0fb4992e3aec9367a85b1dbf65274df251146daf 100644
--- a/tests/pytest/insert/insertFromCSV.py
+++ b/tests/pytest/insert/insertFromCSV.py
@@ -30,7 +30,7 @@ class TDTestCase:
 
         self.ts = 1500074556514
         self.csvfile = "/tmp/csvfile.csv"
-        self.rows = 100000
+        self.rows = 10000
     
     def writeCSV(self):
         with open(self.csvfile, 'w', encoding='utf-8', newline='') as csvFile:
@@ -64,6 +64,12 @@ class TDTestCase:
         tdSql.query("select * from stb")
         tdSql.checkRows(self.rows * 2)
 
+        tdSql.execute("insert into t4 using stb tags(2, 'test2') file '%s' t5 using stb(t1) tags(5) file '%s'" % (self.csvfile, self.csvfile))
+        tdSql.query("select * from t4")
+        tdSql.checkRows(self.rows)
+        tdSql.query("select * from t5")
+        tdSql.checkRows(self.rows)
+
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)