diff --git a/src/controllers/titleController.js b/src/controllers/titleController.js
index 08751bdef..277842c43 100644
--- a/src/controllers/titleController.js
+++ b/src/controllers/titleController.js
@@ -1,130 +1,206 @@
-const Team = require('../models/team');
 const Project = require('../models/project');
 const cacheClosure = require('../utilities/nodeCache');
-const { getAllTeamCodeHelper } = require("./userProfileController");
+const userProfileController = require("./userProfileController");
+const userProfile = require('../models/userProfile');
+const project = require('../models/project');
+
+const controller = userProfileController(userProfile, project);
+const { getAllTeamCodeHelper } = controller;
 
 const titlecontroller = function (Title) {
   const cache = cacheClosure();
 
-    const getAllTitles = function (req, res) {
-      Title.find({})
-        .then((results) => res.status(200).send(results))
-        .catch((error) => res.status(404).send(error));
+  // Update: Confirmed with Jae. Team code is not related to the Team data model. But the team code field within the UserProfile data model.
+  async function checkTeamCodeExists(teamCode) {
+    try {
+      if (cache.getCache('teamCodes')) {
+        const teamCodes = JSON.parse(cache.getCache('teamCodes'));
+        return teamCodes.includes(teamCode);
+      }
+      const teamCodes = await getAllTeamCodeHelper();
+      return teamCodes.includes(teamCode);
+    } catch (error) {
+      console.error('Error checking if team code exists:', error);
+      throw error;
+    }
+  }
+
+  async function checkProjectExists(projectID) {
+    try {
+      const proj = await Project.findOne({ _id: projectID }).exec();
+      return !!proj;
+    } catch (error) {
+      console.error('Error checking if project exists:', error);
+      throw error;
+    }
+  }
+
+  const getAllTitles = function (req, res) {
+    Title.find({})
+      .then((results) => res.status(200).send(results))
+      .catch((error) => res.status(404).send(error));
   };
 
-    const getTitleById = function (req, res) {
-      const { titleId } = req.params;
+  const getTitleById = function (req, res) {
+    const { titleId } = req.params;
 
-      Title.findById(titleId)
-        .then((results) => res.send(results))
-        .catch((error) => res.send(error));
-    };
+    Title.findById(titleId)
+      .then((results) => res.send(results))
+      .catch((error) => res.send(error));
+  };
+
+  const postTitle = async function (req, res) {
+    const title = new Title();
+    title.titleName = req.body.titleName;
+    title.titleCode = req.body.titleCode;
+    title.teamCode = req.body.teamCode;
+    title.projectAssigned = req.body.projectAssigned;
+    title.mediaFolder = req.body.mediaFolder;
+    title.teamAssiged = req.body.teamAssiged;
+
+    const titleCodeRegex = /^[A-Za-z]+$/;
+    if (!title.titleCode || !title.titleCode.trim()) {
+      return res.status(400).send({ message: 'Title code cannot be empty.' });
+    }
 
-    const postTitle = async function (req, res) {
-      const title = new Title();
+    if (!titleCodeRegex.test(title.titleCode)) {
+      return res.status(400).send({ message: 'Title Code must contain only upper or lower case letters.' });
+    }
+
+    // valid title name
+    if (!title.titleName.trim()) {
+      res.status(400).send({ message: 'Title cannot be empty.' });
+      return;
+    }
 
-      title.titleName = req.body.titleName;
-      title.teamCode = req.body.teamCode;
-      title.projectAssigned = req.body.projectAssigned;
-      title.mediaFolder = req.body.mediaFolder;
-      title.teamAssiged = req.body.teamAssiged;
+    //  if media is empty
+    if (!title.mediaFolder.trim()) {
+      res.status(400).send({ message: 'Media folder cannot be empty.' });
+      return;
+    }
+
+    if (!title.teamCode) {
+      res.status(400).send({ message: 'Please provide a team code.' });
+      return;
+    }
+
+    const teamCodeExists = await checkTeamCodeExists(title.teamCode);
+    if (!teamCodeExists) {
+      res.status(400).send({ message: 'Invalid team code. Please provide a valid team code.' });
+      return;
+    }
+
+    // validate if project exist
+    const projectExist = await checkProjectExists(title.projectAssigned._id);
+    if (!projectExist) {
+      res.status(400).send({ message: 'Project lalala is empty or not exist!!!' });
+      return;
+    }
+
+    // validate if team exist
+    if (title.teamAssiged && title.teamAssiged._id === 'N/A') {
+      res.status(400).send({ message: 'Team not exists.' });
+      return;
+    }
+
+    title
+      .save()
+      .then((results) => res.status(200).send(results))
+      .catch((error) => res.status(404).send(error))
+  };
+
+  // update title function.
+  const updateTitle = async function (req, res) {
+    try {
+
+      const filter = req.body.id;
 
       // valid title name
-      if (!title.titleName.trim()) {
+      if (!req.body.titleName.trim()) {
         res.status(400).send({ message: 'Title cannot be empty.' });
         return;
       }
 
-      //  if media is empty
-      if (!title.mediaFolder.trim()) {
-        res.status(400).send({ message: 'Media folder cannot be empty.' });
+      if (!req.body.titleCode.trim()) {
+        res.status(400).send({ message: 'Title code cannot be empty.' });
         return;
       }
 
-      const shortnames = title.titleName.trim().split(' ');
-      let shortname;
-      if (shortnames.length > 1) {
-          shortname = (shortnames[0][0] + shortnames[1][0]).toUpperCase();
-      } else if (shortnames.length === 1) {
-          shortname = shortnames[0][0].toUpperCase();
+      const titleCodeRegex = /^[A-Za-z]+$/;
+      if (!titleCodeRegex.test(req.body.titleCode)) {
+        return res.status(400).send({ message: 'Title Code must contain only upper or lower case letters.' });
       }
-      title.shortName = shortname;
 
-      // Validate team code by checking if it exists in the database
-      if (!title.teamCode) {
+      //  if media is empty
+      if (!req.body.mediaFolder.trim()) {
+        res.status(400).send({ message: 'Media folder cannot be empty.' });
+        return;
+      }
+
+      if (!req.body.teamCode) {
         res.status(400).send({ message: 'Please provide a team code.' });
         return;
       }
 
-      const teamCodeExists = await checkTeamCodeExists(title.teamCode);
+      const teamCodeExists = await checkTeamCodeExists(req.body.teamCode);
       if (!teamCodeExists) {
         res.status(400).send({ message: 'Invalid team code. Please provide a valid team code.' });
         return;
       }
 
       // validate if project exist
-      const projectExist = await checkProjectExists(title.projectAssigned._id);
+      const projectExist = await checkProjectExists(req.body.projectAssigned._id);
       if (!projectExist) {
-        res.status(400).send({ message: 'Project is empty or not exist.' });
+        res.status(400).send({ message: 'Project is empty or not exist~~~' });
         return;
       }
 
       // validate if team exist
-      if (title.teamAssiged && title.teamAssiged._id === 'N/A') {
+      if (req.body.teamAssiged && req.body.teamAssiged._id === 'N/A') {
         res.status(400).send({ message: 'Team not exists.' });
         return;
       }
+      const result = await Title.findById(filter);
+      result.titleName = req.body.titleName;
+      result.titleCode = req.body.titleCode;
+      result.teamCode = req.body.teamCode;
+      result.projectAssigned = req.body.projectAssigned;
+      result.mediaFolder = req.body.mediaFolder;
+      result.teamAssiged = req.body.teamAssiged;
+      const updatedTitle = await result.save();
+      res.status(200).send({ message: 'Update successful', updatedTitle });
+
+    } catch (error) {
+      console.log(error);
+      res.status(500).send({ message: 'An error occurred', error });
+    }
+
+  };
+
+  const deleteTitleById = async function (req, res) {
+    const { titleId } = req.params;
+    Title.deleteOne({ _id: titleId })
+      .then((result) => res.send(result))
+      .catch((error) => res.send(error));
+  };
 
-      title
-        .save()
-        .then((results) => res.status(200).send(results))
-        .catch((error) => res.status(404).send(error));
-    };
-
-    const deleteTitleById = async function (req, res) {
-      const { titleId } = req.params;
-      Title.deleteOne({ _id: titleId })
-        .then((result) => res.send(result))
-        .catch((error) => res.send(error));
-    };
-
-    const deleteAllTitles = async function (req, res) {
-      Title.deleteMany({})
-        .then((result) => {
-            if (result.deletedCount === 0) {
-                res.send({ message: 'No titles found to delete.' });
-            } else {
-                res.send({ message: `${result.deletedCount} titles were deleted successfully.` });
-            }
-        })
-        .catch((error) => {
-            res.status(500).send(error);
-        });
-    };
-    // Update: Confirmed with Jae. Team code is not related to the Team data model. But the team code field within the UserProfile data model.
-    async function checkTeamCodeExists(teamCode) {
-      try {
-        if (cache.getCache('teamCodes')) {
-          const teamCodes = JSON.parse(cache.getCache('teamCodes'));
-          return teamCodes.includes(teamCode);
+  const deleteAllTitles = async function (req, res) {
+    Title.deleteMany({})
+      .then((result) => {
+        if (result.deletedCount === 0) {
+          res.send({ message: 'No titles found to delete.' });
+        } else {
+          res.send({ message: `${result.deletedCount} titles were deleted successfully.` });
         }
-        const teamCodes = await getAllTeamCodeHelper();
-        return teamCodes.includes(teamCode);
-      } catch (error) {
-        console.error('Error checking if team code exists:', error);
-        throw error;
-      }
-    }
+      })
+      .catch((error) => {
+        console.log(error)
+        res.status(500).send(error);
+      });
+  };
+
+
 
-    async function checkProjectExists(projectID) {
-      try {
-        const project = await Project.findOne({ _id: projectID }).exec();
-        return !!project;
-      } catch (error) {
-        console.error('Error checking if project exists:', error);
-        throw error;
-      }
-    }
 
   return {
     getAllTitles,
@@ -132,8 +208,8 @@ const titlecontroller = function (Title) {
     postTitle,
     deleteTitleById,
     deleteAllTitles,
+    updateTitle
   };
 };
 
-  module.exports = titlecontroller;
-  
\ No newline at end of file
+module.exports = titlecontroller;
diff --git a/src/controllers/userProfileController.js b/src/controllers/userProfileController.js
index f8b35ed02..83a21a4da 100644
--- a/src/controllers/userProfileController.js
+++ b/src/controllers/userProfileController.js
@@ -1758,28 +1758,28 @@ const userProfileController = function (UserProfile, Project) {
 
       const query = match[1]
         ? {
-            $or: [
-              {
-                firstName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
-              },
-              {
-                $and: [
-                  { firstName: { $regex: new RegExp(`${escapeRegExp(firstName)}`, 'i') } },
-                  { lastName: { $regex: new RegExp(`${escapeRegExp(lastName)}`, 'i') } },
-                ],
-              },
-            ],
-          }
+          $or: [
+            {
+              firstName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
+            },
+            {
+              $and: [
+                { firstName: { $regex: new RegExp(`${escapeRegExp(firstName)}`, 'i') } },
+                { lastName: { $regex: new RegExp(`${escapeRegExp(lastName)}`, 'i') } },
+              ],
+            },
+          ],
+        }
         : {
-            $or: [
-              {
-                firstName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
-              },
-              {
-                lastName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
-              },
-            ],
-          };
+          $or: [
+            {
+              firstName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
+            },
+            {
+              lastName: { $regex: new RegExp(`${escapeRegExp(name)}`, 'i') },
+            },
+          ],
+        };
 
       const userProfile = await UserProfile.find(query);
 
diff --git a/src/routes/titleRouter.js b/src/routes/titleRouter.js
index f12cb5ec7..1bced1e08 100644
--- a/src/routes/titleRouter.js
+++ b/src/routes/titleRouter.js
@@ -2,12 +2,14 @@ const express = require('express');
 
 const router = function (title) {
   const controller = require('../controllers/titleController')(title);
-
   const titleRouter = express.Router();
 
   titleRouter.route('/title')
     .get(controller.getAllTitles)
-    .post(controller.postTitle);
+    .post(controller.postTitle)
+  // .put(controller.putTitle);
+
+  titleRouter.route('/title/update').post(controller.updateTitle);
 
   titleRouter.route('/title/:titleId')
     .get(controller.getTitleById)