diff --git a/dolphinscheduler-common/pom.xml b/dolphinscheduler-common/pom.xml
index 3954159dfa..af1b2e4531 100644
--- a/dolphinscheduler-common/pom.xml
+++ b/dolphinscheduler-common/pom.xml
@@ -29,7 +29,6 @@
 	<packaging>jar</packaging>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<codehaus.janino.version>3.1.0</codehaus.janino.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -589,10 +588,5 @@
 			<scope>compile</scope>
         </dependency>
 
-		<dependency>
-			<groupId>org.codehaus.janino</groupId>
-			<artifactId>janino</artifactId>
-			<version>${codehaus.janino.version}</version>
-		</dependency>
 	</dependencies>
 </project>
diff --git a/dolphinscheduler-dao/src/main/resources/datasource.properties b/dolphinscheduler-dao/src/main/resources/datasource.properties
index 984aa17d57..25ac220312 100644
--- a/dolphinscheduler-dao/src/main/resources/datasource.properties
+++ b/dolphinscheduler-dao/src/main/resources/datasource.properties
@@ -21,7 +21,6 @@ spring.datasource.url=jdbc:postgresql://localhost:5432/dolphinscheduler
 spring.datasource.username=test
 spring.datasource.password=test
 
-# mysql
 # connection configuration
 #spring.datasource.initialSize=5
 # min connection number
@@ -61,4 +60,4 @@ spring.datasource.password=test
 
 # open PSCache, specify count PSCache for every connection
 #spring.datasource.poolPreparedStatements=true
-#spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
\ No newline at end of file
+#spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
diff --git a/script/scp-hosts.sh b/script/scp-hosts.sh
index 6e85566d4b..4a94cffa29 100644
--- a/script/scp-hosts.sh
+++ b/script/scp-hosts.sh
@@ -26,6 +26,18 @@ if [[ "$OSTYPE" == "darwin"* ]]; then
     txt="''"
 fi
 
+declare -A workersGroupMap=()
+
+workersGroup=(${workers//,/ })
+for workerGroup in ${workersGroup[@]}
+do
+  echo $workerGroup;
+  worker=`echo $workerGroup|awk -F':' '{print $1}'`
+  groupName=`echo $workerGroup|awk -F':' '{print $2}'`
+  workersGroupMap+=([$worker]=$groupName)
+done
+
+
 hostsArr=(${ips//,/ })
 for host in ${hostsArr[@]}
 do
@@ -39,9 +51,9 @@ do
 
   for dsDir in bin conf lib script sql ui install.sh
   do
-    # if worker in workersGroup
-    if [[ "${workersGroup[${host}]}" ]] && [[ "${dsDir}" == "conf" ]]; then
-      sed -i ${txt} "s#worker.group.*#worker.group=${workersGroup[${host}]}#g" ${dsDir}/worker.properties
+    # if worker in workersGroupMap
+    if [[ "${workersGroupMap[${host}]}" ]] && [[ "${dsDir}" == "conf" ]]; then
+      sed -i ${txt} "s#worker.group.*#worker.group=${workersGroupMap[${host}]}#g" ${dsDir}/worker.properties
     fi
 
     echo "start to scp $dsDir to $host/$installPath"
diff --git a/script/start-all.sh b/script/start-all.sh
index dda46f0c06..61b916483e 100644
--- a/script/start-all.sh
+++ b/script/start-all.sh
@@ -20,6 +20,17 @@ workDir=`dirname $0`
 workDir=`cd ${workDir};pwd`
 source $workDir/../conf/config/install_config.conf
 
+declare -A workersGroupMap=()
+
+workersGroup=(${workers//,/ })
+for workerGroup in ${workersGroup[@]}
+do
+  echo $workerGroup;
+  worker=`echo $workerGroup|awk -F':' '{print $1}'`
+  groupName=`echo $workerGroup|awk -F':' '{print $2}'`
+  workersGroupMap+=([$worker]=$groupName)
+done
+
 mastersHost=(${masters//,/ })
 for master in ${mastersHost[@]}
 do
@@ -28,7 +39,7 @@ do
 
 done
 
-for worker in ${!workersGroup[*]}
+for worker in ${!workersGroupMap[*]}
 do
   echo "$worker worker server is starting"
 
diff --git a/script/stop-all.sh b/script/stop-all.sh
index e2afd087a9..dc18dae586 100644
--- a/script/stop-all.sh
+++ b/script/stop-all.sh
@@ -21,6 +21,17 @@ workDir=`cd ${workDir};pwd`
 
 source $workDir/../conf/config/install_config.conf
 
+declare -A workersGroupMap=()
+
+workersGroup=(${workers//,/ })
+for workerGroup in ${workersGroup[@]}
+do
+  echo $workerGroup;
+  worker=`echo $workerGroup|awk -F':' '{print $1}'`
+  groupName=`echo $workerGroup|awk -F':' '{print $2}'`
+  workersGroupMap+=([$worker]=$groupName)
+done
+
 mastersHost=(${masters//,/ })
 for master in ${mastersHost[@]}
 do
@@ -29,7 +40,7 @@ do
 
 done
 
-for worker in ${!workersGroup[*]}
+for worker in ${!workersGroupMap[*]}
 do
   echo "$worker worker server is stopping"
   ssh -p $sshPort $worker  "cd $installPath/; sh bin/dolphinscheduler-daemon.sh stop worker-server;"