diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index b0d3007..09e128f 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -13,7 +13,7 @@ find_package(ICU REQUIRED COMPONENTS uc dt in io)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wall -Wextra -Werror -Wmissing-declarations -fdiagnostics-color=always \
 	-O2 -pipe -fno-plt -fexceptions \
         -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security \
-        -fstack-clash-protection -fcf-protection")
+        -fstack-clash-protection -fcf-protection -g")
 
 set(SOURCE_FILES
         ubl-util-standard.h
diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index 363512e..8da0772 100644
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -808,7 +808,7 @@ void MainWindow::calendar_show(){
 }
 void MainWindow::fill_in_reg_zone(string &cmd){
     int error = warning_info;
-    struct Result<string> obj_result_1 = this->wrapper_call(cmd);
+    struct Result<string> obj_result_1 = this->wrapper_call(cmd); 
     if (obj_result_1.error==0){
         auto arr_reg_zone = this->split_region_zone(obj_result_1.response);
         if (arr_reg_zone[0].length()!=0){
@@ -836,7 +836,7 @@ void MainWindow::get_config(){
     this->update_calendar();
 }
 
-array<string, 2> MainWindow::split_region_zone(string read_reg_zon_cfg){
+array<string, 2> MainWindow::split_region_zone(string &read_reg_zon_cfg){
     array<string, 2> arr;
     if (read_reg_zon_cfg.find("/")!=std::string::npos){
         string str_filling_reg = read_reg_zon_cfg.substr(0,read_reg_zon_cfg.find("/"));
@@ -845,6 +845,10 @@ array<string, 2> MainWindow::split_region_zone(string read_reg_zon_cfg){
         arr[0] = str_filling_reg;
         arr[1] = str_filling_zon;
     }
+    else if (read_reg_zon_cfg.length()!=0){
+        arr[0] = read_reg_zon_cfg;
+        arr[1] = "";
+    }
     else{
         arr[0] = "";
         arr[1] = "";
@@ -940,11 +944,13 @@ void MainWindow::append_region_zone(string region, string zone, Gtk::ComboBoxTex
     if (region==""){
         tmpCbZone->append(" ");
         tmpCbZone->set_active(0);
+        tmpCbReg->set_active(-1);
         return;
     }
     if (time_reg_map_local.find(region) == time_reg_map_local.end()){
         tmpCbZone->append(" ");
         tmpCbZone->set_active(0);
+        tmpCbReg->set_active(-1);
     }
     else{
         for (string &_str_zone : time_reg_map_local.at(region)){
@@ -952,13 +958,14 @@ void MainWindow::append_region_zone(string region, string zone, Gtk::ComboBoxTex
             if (_str_zone!=""){
                 if (zone_offest == _str_zone){
                     tmpCbZone->set_active(index);
-                    }
                 }
+            }
             index+=1;
         }
     }
     if (region=="Etc" && zone==""){
         warning_info-=1;
+        tmpCbZone->set_active(index);
     }
     else if (region=="" && zone==""){
         warning_info+=1;
@@ -991,15 +998,17 @@ string MainWindow::call(string cmd){
 void MainWindow::append_zone(){
     cbZone->remove_all();
     int index = cbRegion->get_active_row_number();
-    string str_region = array_region[index];
-    string zone_mixing=""; 
-    string path_dir=""; 
-    if(str_region.length()!=0){
-        for (const auto &_str_zone : time_reg_map_local.at(str_region)){
-            cbZone->append(Glib::ustring(_str_zone));
+    if (index!=-1){
+        string str_region = array_region[index];
+        string zone_mixing=""; 
+        string path_dir=""; 
+        if(str_region.length()!=0){
+            for (const auto &_str_zone : time_reg_map_local.at(str_region)){
+                cbZone->append(Glib::ustring(_str_zone));
+            }
         }
+        cbZone->set_active(0);
     }
-    cbZone->set_active(0);
 }
 
 void MainWindow::update_time_date(){
diff --git a/source/ubl-settings-datetime.h b/source/ubl-settings-datetime.h
old mode 100644
new mode 100755
index 9fc5583..9bf6c34
--- a/source/ubl-settings-datetime.h
+++ b/source/ubl-settings-datetime.h
@@ -176,7 +176,7 @@ class MainWindow : public Gtk::ApplicationWindow {
         void wrapper_update_time_date();
         string zone_file_read(string zone);
         void sort_zone(vector<string> *time_reg_map_local,vector<string> *time_reg_map);
-        array<string, 2> split_region_zone(string read_reg_zon_cfg);
+        array<string, 2> split_region_zone(string &read_reg_zon_cfg);
         string str_remove(std::string& source, const std::string to_remove);
         vector<std::string> split(const std::string &s, char delim);
         struct Result<string> wrapper_call(string cmd);