diff --git a/script/impl/install/InstallImpl.py b/script/impl/install/InstallImpl.py
index d3f98eb..caf2d6f 100644
--- a/script/impl/install/InstallImpl.py
+++ b/script/impl/install/InstallImpl.py
@@ -356,7 +356,6 @@ class InstallImpl:
             self.installClusterApp()
             self.context.logger.log("begin init Instance..")
             self.initInstance()
-            self.configZenithInst()
             self.context.logger.log("encrypt cipher and rand files "
                                     "for database.")
             initPasswd = self.getPasswdFromInitParam()
@@ -402,13 +401,6 @@ class InstallImpl:
             self.context.dbInitParam.pop(pwdIndex)
         return passwd
 
-    def configZenithInst(self):
-        """
-        function: config zenith inst
-        :return:
-        """
-        pass
-
     def initInstance(self):
         """
         function: init instance
diff --git a/script/impl/preinstall/OLAP/PreinstallImplOLAP.py b/script/impl/preinstall/OLAP/PreinstallImplOLAP.py
index 4254dc6..ba97ac8 100644
--- a/script/impl/preinstall/OLAP/PreinstallImplOLAP.py
+++ b/script/impl/preinstall/OLAP/PreinstallImplOLAP.py
@@ -451,12 +451,10 @@ class PreinstallImplOLAP(PreinstallImpl):
         if status != 0:
             self.context.logger.logExit("Command for set platform ARM:"
                                       "%s" % cmd + " Error: \n%s" % output)
-        if str(output) == "aarch64":
-            pass
-        else:
-            self.context.logger.log("No need to set ARM Optimization.",
-                                    "constant")
+        if output != "aarch64":
+            self.context.logger.log("No need to set ARM Optimization.", "constant")
             return
+
         try:
             # exec cmd for set platform ARM
             cmd = "%s -t %s -u %s -l %s -Q %s" % (
diff --git a/script/local/PreInstallUtility.py b/script/local/PreInstallUtility.py
index 0173dd0..8b05f28 100644
--- a/script/local/PreInstallUtility.py
+++ b/script/local/PreInstallUtility.py
@@ -1505,12 +1505,6 @@ Common options:
                 "export LD_LIBRARY_PATH=$GPHOME/lib:$LD_LIBRARY_PATH"])
             # set PYTHONPATH
             FileUtil.writeFile(userProfile, ["export PYTHONPATH=$GPHOME/lib"])
-            # set om root script path
-            om_root_path = "%s/%s/script" % (DefaultValue.ROOT_SCRIPTS_PATH,
-                                             self.user)
-            FileUtil.writeFile(userProfile,
-                             ["export PATH=%s:$PATH" % om_root_path])
-
         except Exception as e:
             self.logger.logExit(str(e))
         self.logger.debug("Successfully set tool ENV.")
@@ -2472,6 +2466,10 @@ Common options:
                           dest_path, recursive=True)
 
         self.logger.debug("Delete root scripts in om user path.")
+
+        # set om root script path
+        userProfile = self.getUserProfile()
+        FileUtil.writeFile(userProfile, ["export PATH=%s:$PATH" % om_root_path])
         # delete root scripts in GPHOME
         om_user_path = os.path.join(self.clusterToolPath, "script")
         user_om_files = os.listdir(om_user_path)