diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index eea36f4484707e8ae1a0a18b5296f7aa1d899ee0..ef66f9fa4fecb8d0e2289283af794127b33cfbb0 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -106,6 +106,29 @@ function install_config() {
 
     ${csudo} mv ${cfg_dir}/taos.cfg ${cfg_dir}/taos.cfg.org
     ${csudo} ln -s ${cfg_install_dir}/taos.cfg ${cfg_dir}
+    #FQDN_FORMAT="(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
+    #FQDN_FORMAT="(:[1-6][0-9][0-9][0-9][0-9]$)"
+    #PORT_FORMAT="(/[1-6][0-9][0-9][0-9][0-9]?/)"
+    #FQDN_PATTERN=":[0-9]{1,5}$"
+
+    # first full-qualified domain name (FQDN) for TDengine cluster system
+    echo
+    echo -e -n "${GREEN}Enter FQDN:port (like h1.taosdata.com:6030) of an existing TDengine cluster node to join OR leave it blank to build one${NC} :"
+    read firstEp
+    while true; do
+        if [ ! -z "$firstEp" ]; then
+            # check the format of the firstEp
+            #if [[ $firstEp == $FQDN_PATTERN ]]; then
+                # Write the first FQDN to configuration file                    
+                ${csudo} sed -i -r "s/#*\s*(firstEp\s*).*/\1$firstEp/" ${cfg_install_dir}/taos.cfg    
+                break
+            #else
+            #    read -p "Please enter the correct FQDN:port: " firstEp
+            #fi
+        else
+            break
+        fi
+    done	
 }
 
 function clean_service_on_sysvinit() {
@@ -227,8 +250,8 @@ function install_TDengine() {
     install_config	
 
     # Ask if to start the service
-    echo
-    echo -e "\033[44;32;1mTDengine is installed successfully!${NC}"
+    #echo
+    #echo -e "\033[44;32;1mTDengine is installed successfully!${NC}"
     echo
     echo -e "${GREEN_DARK}To configure TDengine ${NC}: edit /etc/taos/taos.cfg"
     if ((${service_mod}==0)); then
@@ -241,7 +264,12 @@ function install_TDengine() {
     fi
 
     echo -e "${GREEN_DARK}To access TDengine    ${NC}: use ${GREEN_UNDERLINE}taos${NC} in shell${NC}"
-
+    
+		if [ ! -z "$firstEp" ]; then
+		  echo		    
+		  echo -e "${GREEN_DARK}Please run${NC}: taos -h $firstEp ${GREEN_DARK} to login into cluster, then execute ${NC}: create dnode 'newDnodeFQDN:port'; ${GREEN_DARK}in TAOS shell to add this new node into the clsuter${NC}"
+      echo
+    fi
     echo
     echo -e "\033[44;32;1mTDengine is installed successfully!${NC}"
 }