diff --git a/install.sh b/install.sh
index 2a113ad..fae97b3 100644
--- a/install.sh
+++ b/install.sh
@@ -13,11 +13,15 @@
  # limitations under the License.
  ##
 #!/bin/bash
+
+mkdir -p /tmp/openlookeng
+chmod 777 /tmp/openlookeng
+
 export wget_url=https://download.openlookeng.io
 declare openlk_version=
 declare version_arr=
 declare package_name=openlookeng.tar.gz
-declare install_path=/opt/openlookeng
+declare install_path=/tmp/openlookeng
 declare DEFAULT_MAX_SPLITS_PER_NODE_VALUE=100
 declare DEFAULT_MAX_PENDING_SPLITS_PER_TASK_VALUE=10
 declare CLUSTER_PASS
@@ -201,16 +205,16 @@ function download()
     URL="$wget_url/auto-install/$package_name"
     if type wget &>/dev/null
     then
-        echo "wget -O /opt/$package_name.sha256sum $URL.sha256sum"
-        wget -O /opt/$package_name.sha256sum $URL.sha256sum
-        echo "wget -O /opt/$package_name $URL"
-        wget -O /opt/$package_name $URL
+        echo "wget -O /tmp/$package_name.sha256sum $URL.sha256sum"
+        wget -O /tmp/$package_name.sha256sum $URL.sha256sum
+        echo "wget -O /tmp/$package_name $URL"
+        wget -O /tmp/$package_name $URL
     elif type curl &>/dev/null
     then
         #wget -P . "$URL"
-        curl -fsSL -o /opt/$package_name.sha256sum $URL.sha256sum
-        echo "curl -fsSL -o /opt/$package_name $URL"
-        curl -fsSL -o /opt/$package_name $URL
+        curl -fsSL -o /tmp/$package_name.sha256sum $URL.sha256sum
+        echo "curl -fsSL -o /tmp/$package_name $URL"
+        curl -fsSL -o /tmp/$package_name $URL
     fi
     # download failed
     if test $? -ne 0
@@ -223,7 +227,7 @@ function download()
 function verify_unpack()
 {
     #1.check package
-    cd /opt &> /dev/null
+    cd /tmp &> /dev/null
     echo "[INFO] Starting verification package..."
     res=$(sha256sum -c ${package_name}.sha256sum|grep OK|wc -l)
     if [[ $res > 0 ]]
@@ -236,8 +240,8 @@ function verify_unpack()
     fi
     #cd - &> /dev/null
     #2.extracting package
-    echo "[INFO] Extracting package ${package_name} to /opt ..."
-    tar -zxvf $package_name -C /opt &> /dev/null
+    echo "[INFO] Extracting package ${package_name} to /tmp ..."
+    tar -zxvf $package_name -C /tmp &> /dev/null
     if [[ $? != 0 ]]
     then
         exit 1
@@ -333,8 +337,8 @@ function create_user()
             #bash $OPENLOOKENG_BIN_THIRD_PATH/hetu_adduser.sh # will create user before
             continue
         else
-            . $OPENLOOKENG_BIN_THIRD_PATH/cpresource_remote.sh $ip $OPENLOOKENG_BIN_THIRD_PATH/hetu_adduser.sh /opt
-            . $OPENLOOKENG_BIN_THIRD_PATH/execute_remote.sh $ip "bash /opt/hetu_adduser.sh;rm -rf /opt/hetu_adduser.sh;exit"
+            . $OPENLOOKENG_BIN_THIRD_PATH/cpresource_remote.sh $ip $OPENLOOKENG_BIN_THIRD_PATH/hetu_adduser.sh /tmp
+            . $OPENLOOKENG_BIN_THIRD_PATH/execute_remote.sh $ip "bash /tmp/hetu_adduser.sh;rm -rf /tmp/hetu_adduser.sh;exit"
         fi
     done
 
diff --git a/openlookeng/bin/auxiliary_tools/pathfile b/openlookeng/bin/auxiliary_tools/pathfile
index ab1a4ee..7c664eb 100644
--- a/openlookeng/bin/auxiliary_tools/pathfile
+++ b/openlookeng/bin/auxiliary_tools/pathfile
@@ -13,7 +13,7 @@
  # limitations under the License.
  ##
 #bin/pathfile
-INSTALL_PATH=/opt/openlookeng
+INSTALL_PATH=/tmp/openlookeng
 OPENLOOKENG_DEPENDENCIES_PATH=$INSTALL_PATH/resource
 OEPNLKADMIN_PATH=/home/openlkadmin/.openlkadmin
 CLUSTER_CONFIG_INFO=$OEPNLKADMIN_PATH/cluster_config_info
@@ -21,4 +21,4 @@ CLUSTER_NODE_INFO=$OEPNLKADMIN_PATH/cluster_node_info
 OPENLOOKENG_BIN_PATH=$INSTALL_PATH/bin
 OPENLOOKENG_BIN_THIRD_PATH=$OPENLOOKENG_BIN_PATH/auxiliary_tools
 
-export INSTALL_PATH OPENLOOKENG_DEPENDENCIES_PATH OEPNLKADMIN_PATH OPENLOOKENG_BIN_PATH OPENLOOKENG_BIN_THIRD_PATH
\ No newline at end of file
+export INSTALL_PATH OPENLOOKENG_DEPENDENCIES_PATH OEPNLKADMIN_PATH OPENLOOKENG_BIN_PATH OPENLOOKENG_BIN_THIRD_PATH