diff --git a/tests/system-test/0-others/walFileIdex.py b/tests/system-test/0-others/walFileIdex.py
new file mode 100644
index 0000000000000000000000000000000000000000..cd34c7e5e30315df92b0f0aa4c0dda7c460b450a
--- /dev/null
+++ b/tests/system-test/0-others/walFileIdex.py
@@ -0,0 +1,101 @@
+
+import taos
+import sys
+import time
+import socket
+import os
+import platform
+if platform.system().lower() == 'windows':
+    import wexpect as taosExpect
+else:
+    import pexpect as taosExpect
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+from util.dnodes import *
+from util.cluster import *
+
+class TDTestCase:
+
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files or "taosd.exe" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
+
+    def preData(self):
+        # database\stb\tb\chiild-tb\rows\topics
+        tdSql.execute("create user testpy pass 'testpy'")
+        tdSql.execute("drop database if exists db0;")
+        tdSql.execute("create database db0 WAL_RETENTION_PERIOD -1 WAL_RETENTION_SIZE -1  ;")
+        tdSql.execute("use db0;")
+        tdSql.execute("create table if not exists db0.stb (ts timestamp, c1 int, c2 float, c3 double) tags (t1 int unsigned);")
+        tdSql.execute("create table db0.ct1 using db0.stb tags(1000);")
+        tdSql.execute("create table db0.ct2 using db0.stb tags(2000);")
+        tdSql.execute("create table if not exists db0.ntb (ts timestamp, c1 int, c2 float, c3 double) ;")
+        tdSql.query("show db0.stables;")
+        tdSql.execute("insert into db0.ct1 values(now+0s, 10, 2.0, 3.0);")
+        tdSql.execute("insert into db0.ct1 values(now+1s, 11, 2.1, 3.1)(now+2s, 12, 2.2, 3.2)(now+3s, 13, 2.3, 3.3);")
+        tdSql.execute("insert into db0.ntb values(now+2s, 10, 2.0, 3.0);")
+        tdSql.execute("create sma index sma_index_name1 on db0.stb function(max(c1),max(c2),min(c1)) interval(6m,10s) sliding(6m);")
+        tdSql.execute("create topic tpc1 as select * from db0.ct2; ")
+
+
+        #stream
+        tdSql.execute("drop database if exists source_db;")
+        tdSql.query("create database source_db vgroups 3;")
+        tdSql.query("use source_db")
+        tdSql.query("create table if not exists source_db.stb (ts timestamp, k int) tags (a int);")
+        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 == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        cfgPath = buildPath + "/../sim/psim/cfg"
+        taosdCfgPath = buildPath + "/../sim/dnode1/cfg"
+        walPath = buildPath + "/../sim/dnode1/data/vnode/vnode*/wal/"
+        walFilePath = buildPath + "/../sim/dnode1/data/vnode/vnode2/wal/"
+
+        tdLog.info("insert data")
+        self.preData()
+        tdDnodes.stop(1)
+        time.sleep(2)
+        tdLog.info("delete wal filePath")
+        # os.system("rm -rf %s/meta-ver*"%walPath)
+        os.system("rm -rf %s/*.idx"%walPath)
+        os.system("rm -rf %s/*.log"%walPath)
+        tdDnodes.start(1)
+        tdDnodes.stop(1)
+        time.sleep(2)    
+        tdLog.info(" modify wal Index file")
+        os.system(" echo \"1231abcasep\" >> %s/00000000000000000000.idx"%walFilePath)
+        os.system(" echo \"1231abcasep\" >> %s/00000000000000000000.log"%walFilePath)
+        tdDnodes.start(1)
+        tdDnodes.stop(1)
+        
+    
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())