diff --git a/tests/pytest/multilevel/fileDistributionSameLevel.py b/tests/pytest/multilevel/fileDistributionSameLevel.py
index e2880283b5b6a76942ac9ac5abba50f8c5bfda1e..83ce85671771c4d2627541e80262ef8c764e45c3 100644
--- a/tests/pytest/multilevel/fileDistributionSameLevel.py
+++ b/tests/pytest/multilevel/fileDistributionSameLevel.py
@@ -18,26 +18,44 @@ from util.cases import *
 from util.sql import *
 from util.dnodes import *
 
-
+dataDir = ['data00','data01','data02','data03','data04']
+dataDict = {'data00':0,'data01':0,'data02':0,'data03':0,'data04':0}
 class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor(), logSql)
 
+    def getfiles(self,ospath):
+        try:
+            files = os.listdir(ospath)
+            for f in files:
+                path = os.path.join(ospath, f)
+                if os.path.isfile(path):
+                    if path.endswith('.data'):
+                        for i in dataDir:
+                            if i in path:
+                                dataDict[i] = dataDict[i] + 1 
+                                print(path)
+                if os.path.isdir(path):
+                    self.getfiles(path)
+        except  Exception as e :
+            print(str(e))
+
     def run(self):
-        self.ntables = 10
-        self.rowsPerTable = 10        
+        self.ntables = 1000             
         self.ts = 1520000010000
 
         tdDnodes.stop(1)
         # Test1 1 dataDir
+        tdLog.info("================= step1")
         cfg={
             '10' : 'maxVgroupsPerDb',
+            '100' : 'maxTablesPerVnode',
             '/mnt/data00 0 1' : 'dataDir',
             '/mnt/data01 0 0' : 'dataDir',
             '/mnt/data02 0 0' : 'dataDir',
-            '/mnt/data03 1 0' : 'dataDir',
-            '/mnt/data04 1 0' : 'dataDir'            
+            '/mnt/data03 0 0' : 'dataDir',
+            '/mnt/data04 0 0' : 'dataDir'
         }
         tdSql.createDir('/mnt/data00')
         tdSql.createDir('/mnt/data01')
@@ -51,18 +69,37 @@ class TDTestCase:
         tdSql.execute("create database test days 1")
         tdSql.execute("use test")
 
-        tdSql.execute("create table tb(ts timestamp, c int)")
+        tdSql.execute("create table stb(ts timestamp, c int) tags(t int)")
 
-        for i in range(self.rowsPerTable):
-            tdSql.execute("insert into tb values(%d, 1)" % (self.ts + i * 86400000))
-        
+        for i in range(self.ntables):
+            tdSql.execute("create table tb%d using stb tags(%d)" %(i, i))            
+            tdSql.execute("insert into tb%d values(%d, 1)" % (i,self.ts + int (i / 100) * 86400000))
+
+        tdLog.info("================= step2")
         tdDnodes.stop(1)
         tdDnodes.start(1)
 
-        tdSql.query("select * from test.tb")
-        tdSql.checkRows(10)
-
+        tdSql.query("select * from test.stb")
+        tdSql.checkRows(1000)
 
+        tdLog.info("================= step3")
+        tdSql.execute('drop database test')
+        for i in range(50):
+            tdSql.execute("create database test%d days 1" %(i))
+            tdSql.execute("use test%d" %(i))
+            tdSql.execute("create table tb (ts timestamp,i int)") 
+            for j in range(10):           
+                tdSql.execute("insert into tb values(%d, 1)" % (self.ts + int (i / 100) * 86400000))
+        tdDnodes.stop(1)
+        tdDnodes.start(1)
+        flag = True
+        for i in range(4):
+            if dataDict[dataDir[i]] == dataDict[dataDir[i+1]]:
+                flag = flag & True
+            else:
+                flag = flag & False
+                break
+        if not flag : tdLog.exit("%s failed, expect  not occured" % (sys.argv[0]))
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)