diff --git a/class/class-parolapara.php b/class/class-parolapara.php
index 7a12105..b4bfde1 100644
--- a/class/class-parolapara.php
+++ b/class/class-parolapara.php
@@ -47,43 +47,32 @@ public function getInstallment($par, $order)
 
         if ($installament->status_code == 100) {
 
-            $html = '<div class="col wid100" id="tlist">';
-            $html .= '<table class="table border rounded bg-white">';
-            $html .= '<tbody>';
+            $html = ['<div class="col wid100" id="tlist">'];
+            $html[] = '<div class="col wid100" id="tlist">';
+            $html[] = '<table class="table border rounded bg-white">';
+            $html[] = '<tbody>';
 
             foreach ($installament->data as $key => $taksitler) {
                 if ($taksitler->installments_number == 1) {
                     $text_value = "Tek Çekim";
                 } else {
-                    $text_value = $taksitler->installments_number . " x " . $taksitler->payable_amount;
-                }
-                $total = $taksitler->amount_to_be_paid;
-                if (empty(explode(".", $total)[1])) {
-                    $total = $total . ".00";
-                } else {
-                    if (strlen(explode(".", $total)[1]) == 1) {
-                        $total = $total . "0";
-                    }
+                    $text_value = $taksitler->installments_number . " x " . $this->fixNumberFormat($taksitler->amount_to_be_paid);
                 }
 
-                $html .= '<tr><td class="px-3 py-2"><div class="form-check">';
-                $html .= '<input type="radio" data-sayi="' . $taksitler->installments_number . '" id="tno' . $taksitler->installments_number . '" ';
-                $html .= 'onclick="updateSubmitButtonAmount(\'' . $total . '\')" class="form-check-input p-1" name="tno"';
-                if ($taksitler->installments_number == 1) {
-                    $html .= 'checked';
-                }
-                $html .= 'value="' . $taksitler->installments_number . '"';
-                $html .= 'tag="' . $total . '"';
-                $html .= '<label class="form-check-label" for="tno' . $taksitler->installments_number . '"><strong>' . $text_value . '</strong></label></div></td>';
+                $total = $this->fixNumberFormat($taksitler->payable_amount);
+
+                $html[] = '<tr><td class="px-3 py-2"><div class="form-check taksit-radio">';
+                $html[] = '<input type="radio" data-sayi="' . $taksitler->installments_number . '" data-total="' . $total . '" data-currency="' . $order->get_currency() . '" data-no="' . $taksitler->installments_number . '" id="tno' . $taksitler->installments_number . '" class="form-check-input p-1" name="tno" ' . ($taksitler->installments_number == 1 ? 'checked' : '') . ' value="' . $taksitler->installments_number . '" tag="' . $total . '">';
+                $html[] = '<label class="form-check-label" for="tno' . $taksitler->installments_number . '"><strong>' . $text_value . '</strong></label></div></td>';
 
-                $html .= '<td class="px-3 py-2" id="instalmentTd' . $key . '"><label for="tno1">' . $total . ' ' . $order->get_currency() . ' </label></td>';
-                $html .= '<td class="px-3 py-2 text-primary"><strong></strong></td></tr>';
-                $html .= '<input type="hidden" name="tsx' . $taksitler->installments_number . '" value="' . $taksitler->hash_key . '">';
+                $html[] = '<td class="px-3 py-2" id="instalmentTd' . $key . '"><label for="tno1">' . $total . ' ' . $order->get_currency() . ' </label></td>';
+                $html[] = '<td class="px-3 py-2 text-primary"></td></tr>';
+                $html[] = '<input type="hidden" name="tsx' . $taksitler->installments_number . '" value="' . $taksitler->hash_key . '">';
             }
 
-            $html .= '</tbody></table></div>';
+            $html[] = '</tbody></table></div>';
 
-            return $html;
+            return implode('', $html);
         } else {
             return "<h5>Bu karta taksit yapılmamaktadır.</h5>";
         }
@@ -105,10 +94,10 @@ public function start3d($order_id)
 
             $product = $item->get_product();
             $items[] = [
-                'price' => str_replace(".00", "", $product->get_price()),
+                'price' => floatval($this->fixNumberFormat($product->get_price())),
                 'name' => $item->get_name(),
                 'quantity' => $item->get_quantity(),
-                'description' => $item->get_name() . " ürünü",
+                'description' => $item->get_name(),
             ];
         }
 
@@ -412,7 +401,7 @@ public function validateHashKey($hashKey)
                 $salt = isset($components[1]) ? $components[1] : "";
                 $salt = hash('sha256', $password . $salt);
                 $encryptedMsg = isset($components[2]) ? $components[2] : "";
-                $decryptedMsg = openssl_decrypt($encryptedMsg, 'aes-256-cbc', $salt, null, $iv);
+                $decryptedMsg = openssl_decrypt($encryptedMsg, 'aes-256-cbc', $salt, 0, $iv);
                 if (strpos($decryptedMsg, '|') !== false) {
                     $array = explode('|', $decryptedMsg);
                     $status = isset($array[0]) ? $array[0] : 0;
diff --git a/index.php b/index.php
index 36c8442..09df5d2 100644
--- a/index.php
+++ b/index.php
@@ -3,7 +3,7 @@
 Plugin Name: Parolapara
 Plugin URI:
 Description: Parolapara ile ödemeye almaya başlayın
-Version: 1.0.2
+Version: 1.0.3
 Author: Ravensoft
 Author URI:
 License: GNU
diff --git a/view/payment-form-api.php b/view/payment-form-api.php
index 4cd9a3e..e0b1d4b 100644
--- a/view/payment-form-api.php
+++ b/view/payment-form-api.php
@@ -497,23 +497,19 @@ function preventKeysForCVC(event) {
         }
     }
 
-    function updateSubmitButtonAmount(myAmount) {
-        if (myAmount != undefined) {
-            $("#paybuttontext").prop("disabled", false);
-            $("#registerbtn").prop("disabled", false);
-            $("#paybuttontext").text(myAmount + " ₺ Öde");
-            $('[name="odenecek_tutar"]').val(myAmount);
-        }
-        updateTaksit();
-    }
-
-    function updateTaksit() {
-        var sectigimTaksit = $('input[name="tno"]:checked').attr("data-sayi");
-        $('[name="secilen_taksit"]').val(sectigimTaksit);
-    }
 </script>
 <script>
     $(document).ready(function () {
+        $('#taksit').on('click', '.taksit-radio', function(){
+            $("#paybuttontext").prop("disabled", false);
+
+            $('input[type="radio"]', this).prop('checked', true);
+            
+            $("#paybuttontext").text($('input[type="radio"]', this).data('total')+' '+$('input[type="radio"]', this).data('currency')+' Öde');
+            $('input[name="odenecek_tutar"]').val($('input[type="radio"]', this).data('total'));
+   
+            $('input[name="secilen_taksit"]').val($('input[type="radio"]', this).data('no'));
+        });
         if (document.getElementById('coverScreen') != undefined)
             document.getElementById('coverScreen').hidden = true;
         $('#cvv').keydown(function (event) {
@@ -606,9 +602,6 @@ function _onblur_number(amorjValue) {
                         $("#taksitp").html("Taksit Seçenekleri");
                         if ($("#instalmentTd0").html() != undefined) {
                             $("#paybuttontext").text($("#instalmentTd0")[0].children[0].innerHTML + " Öde");
-                            if ($("#registerbtn") != undefined) {
-                                $("#registerbtn").prop("disabled", false);
-                            }
                         } else {
                             if ($("#foreignPaymenAllowShow").html() == undefined) {
                                 if ('NONE' == PAYMENT_ROUTER_PAY_BY_LINK) {
@@ -692,12 +685,9 @@ function getCurrencyData(sel) {
         $("#ForeignPaymenAllowData").show();
         $("#paybuttontext").prop("disabled", false);
         $("#paybuttontext").text($("#CURRENCY_CODE_ALPHA").val() + " " + $("#SALE_AMOUNT").val() + " Öde");
-        if ($("#cpaybuttontext") != undefined) {
+        if ($("#cpaybuttontext").length) {
             $("#cpaybuttontext").prop("disabled", false);
         }
-        if ($("#registerbtn") != undefined) {
-            $("#registerbtn").prop("disabled", false);
-        }
     }
 </script>
 <script>