diff --git a/resources/ShippingAddresses/ShippingAddressController.js b/resources/ShippingAddresses/ShippingAddressController.js
index 5e40f5a..cdd374f 100644
--- a/resources/ShippingAddresses/ShippingAddressController.js
+++ b/resources/ShippingAddresses/ShippingAddressController.js
@@ -81,7 +81,7 @@ export const AddshippingAddressByAdmin = async (req, res) => {
     // Validate PAN number format
     const panNumberRegex = /^[A-Z]{5}[0-9]{4}[A-Z]{1}$/;
     if (!panNumberRegex.test(panNumber)) {
-      return res.status(400).json({ msg: "Invalid PAN number format" });
+      return res.status(400).json({ message: "Invalid PAN number format" });
     }
 
     // Create shipping address object
diff --git a/resources/user/userController.js b/resources/user/userController.js
index 56a4423..916c004 100644
--- a/resources/user/userController.js
+++ b/resources/user/userController.js
@@ -87,14 +87,25 @@ export const registerUser = async (req, res) => {
   try {
     const { name, email, password, phone, accessTo, role } = req.body;
 
-    let findUser = await User.findOne({ email });
-    if (findUser) {
-      return res
-        .status(400)
-        .json({ success: false, message: "User already exists" });
+    // Check if user already exists
+    let user = await User.findOne({ email });
+    if (user) {
+      // If user exists, update their details if needed
+      user.name = name;
+      user.password = password; // In a real application, you should hash this
+      user.phone = phone;
+      user.role = role;
+      user.accessTo = accessTo;
+      
+      // Save updates
+      await user.save();
+
+      // Respond with success and userId
+      return res.status(200).json({ success: true, message: "User updated successfully", userId: user._id });
     }
 
-    const newUser = new User({
+    // Create a new user if not found
+    user = new User({
       name,
       email,
       password,
@@ -106,10 +117,10 @@ export const registerUser = async (req, res) => {
     // Generate uniqueId
     const currentYear = new Date().getFullYear().toString().slice(-2);
     const randomChars = crypto.randomBytes(4).toString("hex").toUpperCase();
-    newUser.uniqueId = `${currentYear}-${randomChars}`;
+    user.uniqueId = `${currentYear}-${randomChars}`;
 
     // Save the new user to the database
-    await newUser.save();
+    await user.save();
 
     // Send email with the new user details
     await sendEmail({
@@ -117,18 +128,19 @@ export const registerUser = async (req, res) => {
       from: process.env.SEND_EMAIL_FROM,
       subject: `Cheminova Account Created`,
       html: `Your Principal Distributor Account is created successfully.
-  <br/>Name: <strong>${name}</strong><br/>
-  <br/>Mobile Number: <strong>${phone}</strong><br/>
-  <br/>Password: <strong>${password}</strong><br/><br/>If you have not requested this email, please ignore it.`,
+      <br/>Name: <strong>${name}</strong><br/>
+      <br/>Mobile Number: <strong>${phone}</strong><br/>
+      <br/>Password: <strong>${password}</strong><br/><br/>If you have not requested this email, please ignore it.`,
     });
 
-    // Respond with success and token
-    res.status(201).json({ success: true, message: "User created successfully", userId: newUser._id });
+    // Respond with success and userId
+    res.status(201).json({ success: true, message: "User created successfully", userId: user._id });
   } catch (error) {
     console.error(error);
     res.status(400).json({ success: false, message: error.message });
   }
 };
+
 // 2.Login User
 export const loginUser = async (req, res, next) => {
   const { email, password } = req.body;
diff --git a/resources/user/userModel.js b/resources/user/userModel.js
index b25c7ec..b79422d 100644
--- a/resources/user/userModel.js
+++ b/resources/user/userModel.js
@@ -53,7 +53,7 @@ const userSchema = new mongoose.Schema(
     },
     role: {
       type: String,
-      default: "principal-Distributor",
+      default: "user",
     },
     accessTo: {},
     resetPasswordToken: String,