diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index 338abcc6a05603e3ce313fc615a6240754e5315a..d98ed2185f014356fcf6e954bd717be98a960d16 100755
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -348,7 +348,7 @@ function set_ipAsFqdn() {
 }
 
 function local_fqdn_check() {
-  #serverFqdn=$(hostname -f)
+  #serverFqdn=$(hostname)
   echo
   echo -e -n "System hostname is: ${GREEN}$serverFqdn${NC}"
   echo
@@ -911,7 +911,7 @@ function install_TDengine() {
 
 
 ## ==============================Main program starts from here============================
-serverFqdn=$(hostname -f)
+serverFqdn=$(hostname)
 if [ "$verType" == "server" ]; then
     # Install server and client
     if [ -x ${bin_dir}/taosd ]; then
diff --git a/packaging/tools/install_power.sh b/packaging/tools/install_power.sh
index 28788ceb74ac553da4f72a405085cfe264e47fa2..b14d5d400b9332c52f1559dcfef72a287d9fc385 100755
--- a/packaging/tools/install_power.sh
+++ b/packaging/tools/install_power.sh
@@ -345,7 +345,7 @@ function set_ipAsFqdn() {
 }
 
 function local_fqdn_check() {
-  #serverFqdn=$(hostname -f)
+  #serverFqdn=$(hostname)
   echo
   echo -e -n "System hostname is: ${GREEN}$serverFqdn${NC}"
   echo
@@ -881,7 +881,7 @@ function install_PowerDB() {
 
 
 ## ==============================Main program starts from here============================
-serverFqdn=$(hostname -f)
+serverFqdn=$(hostname)
 if [ "$verType" == "server" ]; then
     # Install server and client
     if [ -x ${bin_dir}/powerd ]; then
diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index 9d15b9736ed8647440ee3cd0f25276d635da1952..6bfbf33fd1dd8011e0fbd77322b9f104a0ab8c30 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -228,7 +228,7 @@ function set_ipAsFqdn() {
 }
 
 function local_fqdn_check() {
-  #serverFqdn=$(hostname -f)
+  #serverFqdn=$(hostname)
   echo
   echo -e -n "System hostname is: ${GREEN}$serverFqdn${NC}"
   echo
@@ -492,5 +492,5 @@ function install_TDengine() {
 
 
 ## ==============================Main program starts from here============================
-serverFqdn=$(hostname -f)
+serverFqdn=$(hostname)
 install_TDengine