diff --git a/source/controler.cc b/source/controler.cc
new file mode 100644
index 0000000..e69de29
diff --git a/source/controler.h b/source/controler.h
new file mode 100644
index 0000000..e69de29
diff --git a/source/ubl-settings-diskquota.cc b/source/ubl-settings-diskquota.cc
index 956c210..af9fcc1 100755
--- a/source/ubl-settings-diskquota.cc
+++ b/source/ubl-settings-diskquota.cc
@@ -519,25 +519,6 @@ void MainWindow::event() {
     QuotasEditWindow->show();
 }
 
-string MainWindow::format_str_size(Gtk::SpinButton* spb, Gtk::ComboBoxText* combo_box) {
-    string value = "";
-    int num = spb->get_value();
-    int index = combo_box->get_active_row_number();
-    value = to_string(num);
-    if (num == 0) {
-        return value;
-    }
-    if (index == 1) {
-        value += "M";
-    }
-    else if (index == 2) {
-        value += "G";
-    }
-    else if (index == 3) {
-        value += "T";
-    }
-    return value;
-}
 void MainWindow::wrapper_settings_quotas_temp(string save_user_or_group) {
     struct partition_cmd _struct_partition_cmd = this->wrapper_settings_quotas();
     string device = _struct_partition_cmd.device;
@@ -552,6 +533,7 @@ void MainWindow::wrapper_settings_quotas_temp(string save_user_or_group) {
     obj_quotas_sys.format_cmd_quotas_ubconfig(_struct_quota);
     
 }
+
 void MainWindow::save_quotegroupSaveButton() {
     if (sys_or_ubconfig == "ubconfig") {
         if (save_user_or_group == "usrquota") {
@@ -571,22 +553,18 @@ void MainWindow::save_quotegroupSaveButton() {
     }
 }
 
-
-
-
-
 struct partition_cmd MainWindow::wrapper_settings_quotas() {
     string str_parted = quotegroupDeviceCombo->get_active_text();
     string value = "";
     if (quotegroupSizeSoftLimitCheck->get_active()) {
-        value = format_str_size(quotegroupSizeSoftLimitSpin, quotegroupSizeSoftLimitCombo);
+        value = Utils::format_str_size(quotegroupSizeSoftLimitSpin->get_value(), quotegroupSizeSoftLimitCombo->get_active_row_number());
         value += ":";
     }
     else {
         value += "0:";
     }
     if (quotegroupSizeHardLimitCheck->get_active()) {
-        value += format_str_size(quotegroupSizeHardLimitSpin, quotegroupSizeHardLimitCombo);
+        value += Utils::format_str_size(quotegroupSizeHardLimitSpin->get_value(), quotegroupSizeHardLimitCombo->get_active_row_number());
         value += ":";
     }
     else {
diff --git a/source/ubl-settings-diskquota.h b/source/ubl-settings-diskquota.h
index 978da6b..e9b4e89 100644
--- a/source/ubl-settings-diskquota.h
+++ b/source/ubl-settings-diskquota.h
@@ -237,7 +237,6 @@ class MainWindow : public Gtk::ApplicationWindow {
         void off_quota_system(Gtk::ComboBoxText* combo_box, string quota_type);
         void wrapper_save_system_cfg();
         void wrapper_save_global_cfg();
-        string format_str_size(Gtk::SpinButton* spb, Gtk::ComboBoxText* combo_box);
         void wrapper_save_all_cfg();
         void init_dict(string flag_load);
         void set_data_cfg();
diff --git a/source/util.cc b/source/util.cc
index 8d8c496..09ed1f5 100644
--- a/source/util.cc
+++ b/source/util.cc
@@ -1,6 +1,24 @@
 #include "util.h"
 
 namespace Utils {
+    
+string format_str_size(int num, int index) {
+    string value = "";
+    value = to_string(num);
+    if (num == 0) {
+        return value;
+    }
+    if (index == 1) {
+        value += "M";
+    }
+    else if (index == 2) {
+        value += "G";
+    }
+    else if (index == 3) {
+        value += "T";
+    }
+    return value;
+}
 
 array<vector<string>, 5> read_csv(const string& filename) {
     array<vector<string>, 5> array_vectors;
diff --git a/source/util.h b/source/util.h
index 603e9a3..2415ba8 100644
--- a/source/util.h
+++ b/source/util.h
@@ -16,6 +16,7 @@ struct Passwd {
     int uid;
 };
 
+string format_str_size(int num, int index);
 std::array<std::vector<std::string>, 5> read_csv(const std::string& filename);
 std::string call(std::string cmd);
 vector<int> find_all(string &str_ntp, string substr);