diff --git a/system/controllers/prepaid.php b/system/controllers/prepaid.php
index 7efc6353..f08f8d33 100644
--- a/system/controllers/prepaid.php
+++ b/system/controllers/prepaid.php
@@ -393,6 +393,8 @@ switch ($action) {
     case 'voucher-post':
         $type = _post('type');
         $plan = _post('plan');
+        $voucher_format = _post('voucher_format');
+        $prefix = _post('prefix');
         $server = _post('server');
         $numbervoucher = _post('numbervoucher');
         $lengthcode = _post('lengthcode');
@@ -411,16 +413,16 @@ switch ($action) {
             run_hook('create_voucher'); #HOOK
             for ($i = 0; $i < $numbervoucher; $i++) {
                 $code = strtoupper(substr(md5(time() . rand(10000, 99999)), 0, $lengthcode));
-                if ($config['voucher_format'] == 'low') {
+                if ($voucher_format == 'low') {
                     $code = strtolower($code);
-                } else if ($config['voucher_format'] == 'rand') {
+                } else if ($voucher_format == 'rand') {
                     $code = Lang::randomUpLowCase($code);
                 }
                 $d = ORM::for_table('tbl_voucher')->create();
                 $d->type = $type;
                 $d->routers = $server;
                 $d->id_plan = $plan;
-                $d->code = $code;
+                $d->code = $prefix.$code;
                 $d->user = '0';
                 $d->status = '0';
                 $d->save();
diff --git a/system/lan/english/common.lan.php b/system/lan/english/common.lan.php
index 99ca4f10..fbe44906 100644
--- a/system/lan/english/common.lan.php
+++ b/system/lan/english/common.lan.php
@@ -417,3 +417,4 @@ $_L['Disable_Registration'] = 'Disable Registration';
 $_L['Customer_just_Login_with_Phone_number_and_Voucher_Code_Voucher_will_be_password'] = 'Customer just Login with Phone number and Voucher Code, Voucher will be password';
 $_L['Login__Activate_Voucher'] = 'Login / Activate Voucher';
 $_L['After_Customer_activate_voucher_or_login_customer_will_be_redirected_to_this_url'] = 'After Customer activate voucher or login, customer will be redirected to this url';
+$_L['Voucher_Prefix'] = 'Voucher Prefix';
diff --git a/ui/ui/voucher-add.tpl b/ui/ui/voucher-add.tpl
index 44798171..ca1caac3 100644
--- a/ui/ui/voucher-add.tpl
+++ b/ui/ui/voucher-add.tpl
@@ -31,21 +31,41 @@
                             </select>
                         </div>
                     </div>
-
                     <div class="form-group">
                         <label class="col-md-2 control-label">{$_L['Number_of_Vouchers']}</label>
                         <div class="col-md-6">
                             <input type="text" class="form-control" name="numbervoucher" value="1">
                         </div>
                     </div>
-
+                    <div class="form-group">
+                        <label class="col-md-2 control-label">{Lang::T('Voucher Format')}</label>
+                        <div class="col-md-6">
+                            <select name="voucher_format" id="voucher_format" class="form-control">
+                                <option value="up" {if $_c['voucher_format'] == 'up'}selected="selected" {/if}>UPPERCASE
+                                </option>
+                                <option value="low" {if $_c['voucher_format'] == 'low'}selected="selected" {/if}>
+                                    lowercase
+                                </option>
+                                <option value="rand" {if $_c['voucher_format'] == 'rand'}selected="selected" {/if}>
+                                    RaNdoM
+                                </option>
+                            </select>
+                        </div>
+                        <p class="help-block col-md-4">UPPERCASE lowercase RaNdoM</p>
+                    </div>
+                    <div class="form-group">
+                        <label class="col-md-2 control-label">{Lang::T('Voucher Prefix')}</label>
+                        <div class="col-md-6">
+                            <input type="text" class="form-control" name="prefix" placeholder="NUX-" value="{$_c['voucher_prefix']}">
+                        </div>
+                        <p class="help-block col-md-4">NUX-VoUCHeRCOdE</p>
+                    </div>
                     <div class="form-group">
                         <label class="col-md-2 control-label">{$_L['Length_Code']}</label>
                         <div class="col-md-6">
                             <input type="text" class="form-control" name="lengthcode" value="12">
                         </div>
                     </div>
-
                     <div class="form-group">
                         <div class="col-lg-offset-2 col-lg-10">
                             <button class="btn btn-success waves-effect waves-light"