diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index 147c6c1..206e2aa 100755
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -339,7 +339,9 @@ void MainWindow::event() {
 bool MainWindow::focus_ntp(GdkEventFocus* event) {
     if (event!=NULL){
     }
-    this->focus_ntp_text();
+    if (flag_ntp_edit == false) {
+        this->focus_ntp_text();
+    }
     return true;
 }
 
@@ -995,12 +997,13 @@ void MainWindow::save_Dhcp(string &cmd_default, string &cmd_dhcp, string &remove
         wrapper_system(cmd_dhcp, "&");
     }
     else if (activ_index == 2) {
-
-        if (this->focus_ntp_text()){
-            string str_ntp =  txtNtpServer->get_text();
-            string  cmd = cmd_set_ntp + str_ntp + "\"";
-            this->write_config(str_ntp, "dhcp");
-            wrapper_system(cmd, "&");
+        if (flag_ntp_edit == false) {
+            if (this->focus_ntp_text()){
+                string str_ntp =  txtNtpServer->get_text();
+                string  cmd = cmd_set_ntp + str_ntp + "\"";
+                this->write_config(str_ntp, "dhcp");
+                wrapper_system(cmd, "&");
+            }
         }
         
     }