diff --git a/dolphinscheduler-server/src/main/resources/config/install_config.conf b/dolphinscheduler-server/src/main/resources/config/install_config.conf
index f6b09b9cb8..9a69306b2b 100644
--- a/dolphinscheduler-server/src/main/resources/config/install_config.conf
+++ b/dolphinscheduler-server/src/main/resources/config/install_config.conf
@@ -130,7 +130,7 @@ masters="ds1,ds2"
 
 # run worker machine
 # note: need to write the worker group name of each worker, the default value is "default"
-workersGroup=(["ds1"]="default" ["ds2"]="default" ["ds3"]="default" ["ds4"]="default" ["ds5"]="default")
+declare -A workersGroup=(["ds1"]="default" ["ds2"]="default" ["ds3"]="default" ["ds4"]="default" ["ds5"]="default")
 
 # run alert machine
 # note: list of machine hostnames for deploying alert server
diff --git a/script/scp-hosts.sh b/script/scp-hosts.sh
index adee7d76c7..da4f0d6cd5 100644
--- a/script/scp-hosts.sh
+++ b/script/scp-hosts.sh
@@ -40,8 +40,8 @@ do
   for dsDir in bin conf lib script sql ui install.sh
   do
     # if worker in workersGroup
-    if [[ "${map[${host}]}" ]] && [[ "${dsDir}" -eq "conf" ]]; then
-      sed -i ${txt} "s#worker.group.*#worker.group=${map[${host}]}#g" $workDir/../conf/worker.properties
+    if [[ "${workersGroup[${host}]}" ]] && [[ "${dsDir}" == "conf" ]]; then
+      sed -i ${txt} "s#worker.group.*#worker.group=${workersGroup[${host}]}#g" ${dsDir}/worker.properties
     fi
 
     echo "start to scp $dsDir to $host/$installPath"