diff --git a/src/main/java/io/hardingadonis/saledock/controller/management/product/UpdateProductServlet.java b/src/main/java/io/hardingadonis/saledock/controller/management/product/UpdateProductServlet.java
index 6d5978e..cf954ea 100644
--- a/src/main/java/io/hardingadonis/saledock/controller/management/product/UpdateProductServlet.java
+++ b/src/main/java/io/hardingadonis/saledock/controller/management/product/UpdateProductServlet.java
@@ -71,10 +71,10 @@ protected void doPost(HttpServletRequest request, HttpServletResponse response)
             return;
         }
         Integer idP = Integer.valueOf(pId);
-        String productName = request.getParameter("productName");
+        String productName = request.getParameter("productName").trim();
         String productDescription = request.getParameter("productDescription");
-        double price = Double.parseDouble(request.getParameter("price"));
-        
+        String productPrice = request.getParameter("price");
+
         Part part = request.getPart("imageUpload");
         String imgURL = null;
         if (part.getSize() > 0) {
@@ -88,16 +88,23 @@ protected void doPost(HttpServletRequest request, HttpServletResponse response)
             part.write(realPath + "/" + fileName);
         }
 
-        
         Product product = Singleton.productDAO.getByID(idP).get();
-        product.setPrice(price);
-        product.setName(productName);
-        product.setImageURL(imgURL);
-        product.setDescription(productDescription);
+        if (!productName.isEmpty()) {
+            product.setName(productName);
+        }
+        if (!productPrice.isEmpty()) {
+            product.setPrice(Double.parseDouble(productPrice));
+        }
+        if (imgURL != null) {
+            product.setImageURL(imgURL);
+        }
+        if (!productDescription.isEmpty()) {
+            product.setDescription(productDescription);
+        }
 
         Singleton.productDAO.save(product);
 
-        response.sendRedirect("./product");
+        response.sendRedirect("./product-detail?id=" + idP);
     }
 
 }
diff --git a/src/main/webapp/view/assets/js/management/product/add-product.js b/src/main/webapp/view/assets/js/management/product/add-product.js
index 96106b7..4f8cb4e 100644
--- a/src/main/webapp/view/assets/js/management/product/add-product.js
+++ b/src/main/webapp/view/assets/js/management/product/add-product.js
@@ -15,7 +15,7 @@ $(document).ready(function () {
                     title: 'Thành công!',
                     text: 'Thêm sản phẩm thành công',
                     icon: 'success',
-                    timer: 3000
+                    timer: 1500
                 }).then((result) => {
                     if (result.dismiss === Swal.DismissReason.timer) {
                         console.log('I was closed by the timer')
@@ -25,7 +25,7 @@ $(document).ready(function () {
 
                 setTimeout(function () {
                     window.location.href = 'product';
-                }, 3000);
+                }, 1500);
             },
             error: function (response) {
 
diff --git a/src/main/webapp/view/assets/js/management/product/update-product.js b/src/main/webapp/view/assets/js/management/product/update-product.js
new file mode 100644
index 0000000..202c177
--- /dev/null
+++ b/src/main/webapp/view/assets/js/management/product/update-product.js
@@ -0,0 +1,37 @@
+$(document).ready(function () {
+    $('#update-product').on('submit', function (e) {
+        e.preventDefault();
+
+        var formData = new FormData(this);
+        
+        var productId = formData.get('id');
+
+        $.ajax({
+            type: 'POST',
+            url: $(this).attr('action'),
+            data: formData,
+            processData: false,
+            contentType: false,
+            success: function (response) {
+                Swal.fire({
+                    title: 'Thành công!',
+                    text: 'Cập nhật sản phẩm thành công',
+                    icon: 'success',
+                    timer: 1500
+                }).then((result) => {
+                    if (result.dismiss === Swal.DismissReason.timer) {
+                        console.log('I was closed by the timer')
+                    }
+                    window.location.href = 'product-detail?id=' + productId;
+                });
+
+                setTimeout(function () {
+                    window.location.href = 'product-detail?id=' + productId;
+                }, 1500);
+            },
+            error: function (response) {
+
+            }
+        });
+    });
+});
\ No newline at end of file
diff --git a/src/main/webapp/view/jsp/management/customer/customer-detail.jsp b/src/main/webapp/view/jsp/management/customer/customer-detail.jsp
index 3b0615b..c0b9acf 100644
--- a/src/main/webapp/view/jsp/management/customer/customer-detail.jsp
+++ b/src/main/webapp/view/jsp/management/customer/customer-detail.jsp
@@ -62,11 +62,11 @@
                                                         <div class="mb-3"><label class="form-label" for="country"><strong>Email</strong></label>
                                                             <input class="form-control" type="text" id="country" placeholder="${requestScope.cus.email}" name="country" readonly="">
                                                         </div>
-
-                                                        <button class="btn btn-primary btn-sm" type="button">
-                                                            <a class="back" href="<%=request.getContextPath()%>/customer" style="color: white; text-decoration: none;">Quay lại</a>
-                                                        </button>
-
+                                                        <a class="back" href="<%=request.getContextPath()%>/customer" style="color: white; text-decoration: none;">
+                                                            <button class="btn btn-primary btn-sm" type="button">
+                                                                Quay lại
+                                                            </button>
+                                                        </a>
                                                     </div>
                                                 </form>
                                             </div>
diff --git a/src/main/webapp/view/jsp/management/product/update-product.jsp b/src/main/webapp/view/jsp/management/product/update-product.jsp
index 38d5c5f..bb393a3 100644
--- a/src/main/webapp/view/jsp/management/product/update-product.jsp
+++ b/src/main/webapp/view/jsp/management/product/update-product.jsp
@@ -1,5 +1,6 @@
 <%@ page contentType="text/html" pageEncoding="UTF-8" %>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
+<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
 <%@page import="io.hardingadonis.saledock.utils.Singleton" %>
 
 <!DOCTYPE html>
@@ -39,7 +40,7 @@
                                                 <p class="text-primary m-0 fw-bold">Cập nhập sản phẩm</p>
                                             </div>
                                             <div class="card-body">
-                                                <form action="update-product"  enctype="multipart/form-data" method="post">    
+                                                <form id="update-product" action="update-product"  enctype="multipart/form-data" method="post">    
                                                     <input name="id" hidden value="${param.id}" />
                                                     <div class="row">
                                                         <div class="col">
@@ -72,14 +73,10 @@
                                                             <div class="mb-3">
                                                                 <label class="form-label" for="email">
                                                                     <strong>Giá tiền</strong>
-                                                                </label>                                  
-                                                                <input class="form-control" type="number" id="price" placeholder="${requestScope.pro.price}" name="price" required min="0" oninvalid="this.setCustomValidity('Vui lòng nhập Giá sản phẩm.')" oninput="this.setCustomValidity('')">
-                                                                <script>
-                                                                    let inputElement = document.getElementById("price");
-                                                                    let valueText = inputElement.value;
-                                                                    let formattedNum = new Intl.NumberFormat('vi-VN', {style: 'currency', currency: 'VND'}).format(valueText);
-                                                                    inputElement.value = formattedNum;
-                                                                </script>
+                                                                </label>       
+                                                                <fmt:formatNumber value="${requestScope.pro.price}" type="currency" currencySymbol="₫" pattern="#,##0 ¤" var="proPrice" />
+                                                                <input class="form-control" type="number" id="price" placeholder="${proPrice}" name="price" min="0">
+
                                                             </div>
                                                         </div>
                                                     </div>
@@ -121,7 +118,7 @@
                                                                 Quay lại
                                                             </a>
                                                             <button class="btn btn-primary btn-sm" type="submit">
-                                                                Lưu
+                                                                Cập nhật sản phẩm
                                                             </button>
                                                         </div>
                                                     </div>
@@ -141,9 +138,12 @@
             <%@include file="../../../common/_goback.jsp" %>
         </div>
 
+        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+        <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
         <script src="<%=request.getContextPath()%>/view/assets/js/bootstrap.min.js"></script>
         <script src="<%=request.getContextPath()%>/view/assets/js/bs-init.js"></script>
         <script src="<%=request.getContextPath()%>/view/assets/js/theme.js"></script>
+        <script src="<%=request.getContextPath()%>/view/assets/js/management/product/update-product.js"></script>
     </body>
 
 </html>
\ No newline at end of file