diff --git a/dolphinscheduler-server/src/main/resources/config/install_config.conf b/dolphinscheduler-server/src/main/resources/config/install_config.conf
old mode 100644
new mode 100755
index 6da5fbed55..d88f1cfeef
--- a/dolphinscheduler-server/src/main/resources/config/install_config.conf
+++ b/dolphinscheduler-server/src/main/resources/config/install_config.conf
@@ -38,6 +38,9 @@ dbname="dolphinscheduler"
 # zk cluster
 zkQuorum="192.168.xx.xx:2181,192.168.xx.xx:2181,192.168.xx.xx:2181"
 
+# zk root directory
+zkRoot="/dolphinscheduler"
+
 # Note: the target installation path for dolphinscheduler, please not config as the same as the current path (pwd)
 installPath="/data1_1T/dolphinscheduler"
 
diff --git a/install.sh b/install.sh
old mode 100644
new mode 100755
index a74fe67531..b904f68f8e
--- a/install.sh
+++ b/install.sh
@@ -53,6 +53,7 @@ sed -i ${txt} "s#java.security.krb5.conf.path.*#java.security.krb5.conf.path=${k
 sed -i ${txt} "s#login.user.keytab.username.*#login.user.keytab.username=${keytabUserName}#g" conf/common.properties
 sed -i ${txt} "s#login.user.keytab.path.*#login.user.keytab.path=${keytabPath}#g" conf/common.properties
 sed -i ${txt} "s#zookeeper.quorum.*#zookeeper.quorum=${zkQuorum}#g" conf/zookeeper.properties
+sed -i ${txt} "s\#zookeeper.dolphinscheduler.root.*#zookeeper.dolphinscheduler.root=${zkRoot}#g" conf/zookeeper.properties
 sed -i ${txt} "s#server.port.*#server.port=${apiServerPort}#g" conf/application-api.properties
 sed -i ${txt} "s#mail.server.host.*#mail.server.host=${mailServerHost}#g" conf/alert.properties
 sed -i ${txt} "s#mail.server.port.*#mail.server.port=${mailServerPort}#g" conf/alert.properties
diff --git a/script/remove-zk-node.sh b/script/remove-zk-node.sh
old mode 100644
new mode 100755
index 1fff1d5597..1129ca6a02
--- a/script/remove-zk-node.sh
+++ b/script/remove-zk-node.sh
@@ -31,18 +31,20 @@ BIN_DIR=`dirname $0`
 BIN_DIR=`cd "$BIN_DIR"; pwd`
 DOLPHINSCHEDULER_HOME=$BIN_DIR/..
 
+source ${BIN_DIR}/../conf/config/install_config.conf
+
 export JAVA_HOME=$JAVA_HOME
 
 
 export DOLPHINSCHEDULER_CONF_DIR=$DOLPHINSCHEDULER_HOME/conf
 export DOLPHINSCHEDULER_LIB_JARS=$DOLPHINSCHEDULER_HOME/lib/*
 
-export DOLPHINSCHEDULER_OPTS="-server -Xmx1g -Xms1g -Xss512k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70"
+export DOLPHINSCHEDULER_OPTS="-Xmx1g -Xms1g -Xss512k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "
 export STOP_TIMEOUT=5
 
-CLASS=org.apache.dolphinscheduler.server.utils.RemoveZKNode
+CLASS=org.apache.zookeeper.ZooKeeperMain
 
-exec_command="$DOLPHINSCHEDULER_OPTS -classpath $DOLPHINSCHEDULER_CONF_DIR:$DOLPHINSCHEDULER_LIB_JARS $CLASS $rootNode"
+exec_command="$DOLPHINSCHEDULER_OPTS -classpath $DOLPHINSCHEDULER_CONF_DIR:$DOLPHINSCHEDULER_LIB_JARS $CLASS -server $zkQuorum rmr $rootNode"
 
 cd $DOLPHINSCHEDULER_HOME
 $JAVA_HOME/bin/java $exec_command