diff --git a/tests/army/enterprise/multi-level/mlevel_basic.py b/tests/army/enterprise/multi-level/mlevel_basic.py
index a12b1b59eb..70bfb9b66e 100644
--- a/tests/army/enterprise/multi-level/mlevel_basic.py
+++ b/tests/army/enterprise/multi-level/mlevel_basic.py
@@ -16,12 +16,13 @@ import time
 
 import taos
 import frame
+import frame.etool
 
 from frame.log import *
 from frame.cases import *
 from frame.sql import *
 from frame.caseBase import *
-
+from frame import *
 
 
 class TDTestCase(TBase):
@@ -30,9 +31,10 @@ class TDTestCase(TBase):
     def insertData(self):
         tdLog.info(f"insert data.")
         # taosBenchmark run
-        json = frame.etool.curFile(__file__, "mlevel_basic.json")
-        frame.etool.runBenchmark(json=json)
+        json = etool.curFile(__file__, "mlevel_basic.json")
+        etool.runBenchmark(json=json)
 
+        tdSql.execute(f"use {self.db}")
         # set insert data information
         self.childtable_count = 2
         self.insert_rows = 1000000
@@ -76,4 +78,4 @@ class TDTestCase(TBase):
         
 
 tdCases.addLinux(__file__, TDTestCase())
-tdCases.addWindows(__file__, TDTestCase())
\ No newline at end of file
+tdCases.addWindows(__file__, TDTestCase())
diff --git a/tests/army/frame/caseBase.py b/tests/army/frame/caseBase.py
index 7b371cd822..11c44b28e9 100644
--- a/tests/army/frame/caseBase.py
+++ b/tests/army/frame/caseBase.py
@@ -16,11 +16,11 @@ import os
 import time
 import datetime
 
-from log import *
-from sql import *
+from frame.log import *
+from frame.sql import *
 
 # test case base
-class DbBase:
+class TBase:
 
 #
 #   frame call 
@@ -85,7 +85,7 @@ class DbBase:
         tdSql.checkAgg(sql, self.childtable_count)
 
         # check step
-        sql = f"select count(*) from (select diff(ts) as dif from {self.stb} group by tbname) where dif != {self.timestamp_step}"
+        sql = f"select count(*) from (select diff(ts) as dif from {self.stb} partition by tbname) where dif != {self.timestamp_step}"
         tdSql.checkAgg(sql, 0)
 
     # save agg result
diff --git a/tests/army/frame/eos.py b/tests/army/frame/eos.py
index 2d8559f3eb..ab4d2c1bd0 100644
--- a/tests/army/frame/eos.py
+++ b/tests/army/frame/eos.py
@@ -22,7 +22,7 @@ import datetime
 
 # if windows platform return True
 def isWin():
-    return sys.platform.system().lower() == 'windows'
+    return sys.platform.lower() == 'windows'
 
 # wait util execute file finished 
 def exe(file):
diff --git a/tests/army/frame/epath.py b/tests/army/frame/epath.py
index 644e448fb7..edff9c78a4 100644
--- a/tests/army/frame/epath.py
+++ b/tests/army/frame/epath.py
@@ -19,13 +19,13 @@ import os
 from frame.log import *
 
 # build/bin path
-binPath = ""
+binDir = ""
 
-def binPath(self):
-    global binPath
+def binPath():
+    global binDir
 
-    if binPath != "":
-        return binPath
+    if binDir != "":
+        return binDir
 
     selfPath = os.path.dirname(os.path.realpath(__file__))
 
@@ -46,8 +46,8 @@ def binPath(self):
     else:
         tdLog.info(f"taosd found in {buildPath}")
     # return
-    binPath = buildPath + "/build/bin/"
-    return binPath
+    binDir = buildPath + "/build/bin/"
+    return binDir
 
-def binFile(self, file):
-    return binPath() + file
\ No newline at end of file
+def binFile(filename):
+    return binPath() + filename
diff --git a/tests/army/frame/etool.py b/tests/army/frame/etool.py
index 5ba29ee1c3..f24871b3dd 100644
--- a/tests/army/frame/etool.py
+++ b/tests/army/frame/etool.py
@@ -19,22 +19,24 @@ import sys
 import os
 import time
 import datetime
-import epath
-import eos
+import frame.epath
+import frame.eos
 
 # run taosBenchmark with command or json file mode
 def runBenchmark(command = "", json = "") :
     # get taosBenchmark path
-    bmFile = epath.binFile("taosBenchmark")
-    if eos.isWin():
+    bmFile = frame.epath.binFile("taosBenchmark")
+    if frame.eos.isWin():
         bmFile += ".exe"
 
     # run
     if command != "":
-        eos.exe(bmFile + " " + command)
+        frame.eos.exe(bmFile + " " + command)
     if json != "":
-        eos.exe(bmFile + " -f " + json)
+        cmd = f"{bmFile} -f {json}"
+        print(cmd)
+        frame.eos.exe(cmd)
 
 # get current directory file name
-def curFile(fullPath, file):
-    return os.path.dirname(fullPath) + "/" + file
+def curFile(fullPath, filename):
+    return os.path.dirname(fullPath) + "/" + filename
diff --git a/tests/army/frame/sql.py b/tests/army/frame/sql.py
index b3ee1ed5f8..2e14f0c2f0 100644
--- a/tests/army/frame/sql.py
+++ b/tests/army/frame/sql.py
@@ -538,7 +538,7 @@ class TDSql:
     # check like select count(*) ...  sql
     def checkAgg(self, sql, expectCnt):
         self.query(sql)
-        self.checkRowCol(0, 0, expectCnt)
+        self.checkData(0, 0, expectCnt)
 
     # get first value
     def getFirstValue(self, sql) :