diff --git a/tests/system-test/0-others/walFileIdex.py b/tests/system-test/0-others/walFileIdex.py
index a0e04659c8..cd34c7e5e3 100644
--- a/tests/system-test/0-others/walFileIdex.py
+++ b/tests/system-test/0-others/walFileIdex.py
@@ -17,32 +17,6 @@ from util.dnodes import *
 from util.cluster import *
 
 class TDTestCase:
-    #updatecfgDict = {'clientCfg': {'serverPort': 7080, 'firstEp': 'trd02:7080', 'secondEp':'trd02:7080'},\
-    #                 'serverPort': 7080, 'firstEp': 'trd02:7080'}
-    # hostname = socket.gethostname()
-    # if (platform.system().lower() == 'windows' and not tdDnodes.dnodes[0].remoteIP == ""):
-    #     try:
-    #         config = eval(tdDnodes.dnodes[0].remoteIP)
-    #         hostname = config["host"]
-    #     except Exception:
-    #         hostname = tdDnodes.dnodes[0].remoteIP
-    # serverPort = '7080'
-    # rpcDebugFlagVal = '143'
-    # clientCfgDict = {'serverPort': '', 'firstEp': '', 'secondEp':'', 'rpcDebugFlag':'135', 'fqdn':''}
-    # clientCfgDict["serverPort"]    = serverPort
-    # clientCfgDict["firstEp"]       = hostname + ':' + serverPort
-    # clientCfgDict["secondEp"]      = hostname + ':' + serverPort
-    # clientCfgDict["rpcDebugFlag"]  = rpcDebugFlagVal
-    # clientCfgDict["fqdn"] = hostname
-
-    # updatecfgDict = {'clientCfg': {}, 'serverPort': '', 'firstEp': '', 'secondEp':'', 'rpcDebugFlag':'135', 'fqdn':''}
-    # updatecfgDict["clientCfg"]  = clientCfgDict
-    # updatecfgDict["serverPort"] = serverPort
-    # updatecfgDict["firstEp"]    = hostname + ':' + serverPort
-    # updatecfgDict["secondEp"]   = hostname + ':' + serverPort
-    # updatecfgDict["fqdn"] = hostname
-
-    # print ("===================: ", updatecfgDict)
 
     def init(self, conn, logSql):
         tdLog.debug(f"start to excute {__file__}")
@@ -64,49 +38,6 @@ class TDTestCase:
                     break
         return buildPath
 
-    def get_process_pid(self,processname):
-        #origin artical link：https://blog.csdn.net/weixin_45623536/article/details/122099062
-        process_info_list = []
-        process = os.popen('ps -A | grep %s'% processname)
-        process_info = process.read()
-        for i in process_info.split(' '):
-            if i != "":
-                process_info_list.append(i)
-        print(process_info_list)
-        if len(process_info_list) != 0 :
-            pid = int(process_info_list[0])
-        else :
-            pid = 0
-        return pid
-
-    def checkAndstopPro(self,processName,startAction):
-        i = 1
-        count = 10
-        for i in range(count):
-            taosdPid=self.get_process_pid(processName)
-            if taosdPid != 0  and   taosdPid != ""  :
-                tdLog.info("stop taosd %s ,kill pid :%s "%(startAction,taosdPid))
-                os.system("kill -9 %d"%taosdPid) 
-                break
-            else:
-                tdLog.info( "wait start taosd ,times: %d "%i)
-            sleep
-            i+= 1
-        else :
-            tdLog.exit("taosd %s is not running "%startAction)    
-
-    def taosdCommandStop(self,startAction,taosdCmdRun):
-        processName="taosd"
-        taosdCmd = taosdCmdRun + startAction
-        tdLog.printNoPrefix("%s"%taosdCmd)
-        os.system(f"nohup {taosdCmd}  & ")
-        self.checkAndstopPro(processName,startAction)
-
-    def taosdCommandExe(self,startAction,taosdCmdRun):
-        taosdCmd = taosdCmdRun + startAction
-        tdLog.printNoPrefix("%s"%taosdCmd)
-        os.system(f"{taosdCmd}")
-
     def preData(self):
         # database\stb\tb\chiild-tb\rows\topics
         tdSql.execute("create user testpy pass 'testpy'")
@@ -133,9 +64,6 @@ class TDTestCase:
         tdSql.query("create table source_db.ct1 using source_db.stb tags(1000);create table source_db.ct2 using source_db.stb tags(2000);create table source_db.ct3 using source_db.stb tags(3000);")
         tdSql.query("create stream s1 into source_db.output_stb as select _wstart AS start, min(k), max(k), sum(k) from source_db.stb interval(10m);")
 
-
-
-
     def run(self):  
         buildPath = self.getBuildPath()
         if (buildPath == ""):