diff --git a/Marco.Pms.Services/Controllers/MasterController.cs b/Marco.Pms.Services/Controllers/MasterController.cs
index c646e28..ede541a 100644
--- a/Marco.Pms.Services/Controllers/MasterController.cs
+++ b/Marco.Pms.Services/Controllers/MasterController.cs
@@ -68,11 +68,28 @@ namespace Marco.Pms.Services.Controllers
             var tenantId = _userHelper.GetTenantId();
             var employee = await _userHelper.GetCurrentEmployeeAsync();
             ActivityMaster? activity = await _context.ActivityMasters.FirstOrDefaultAsync(x => x.Id == id);
-            if (activity != null) { 
+            if (activity != null && createActivity.UnitOfMeasurement != null) { 
                 activity.ActivityName = activity.ActivityName;
                 activity.UnitOfMeasurement = createActivity.UnitOfMeasurement;
                 activity.TenantId = tenantId;
                 await _context.SaveChangesAsync();
+
+                if (createActivity.CheckList != null)
+                {
+                    List<ActivityCheckList> activityCheckList = new List<ActivityCheckList>();
+                    foreach (var check in createActivity.CheckList)
+                    {
+                        ActivityCheckList checkList = new ActivityCheckList
+                        {
+                            ActivityMasterId = activity.Id,
+                            TenantId = tenantId,
+                            CheckList = check
+                        };
+                        activityCheckList.Add(checkList);
+                    }
+                    //_context.ActivityCheckList.UpdateRange(activityCheckList);
+                    await _context.SaveChangesAsync();
+                }
                 return Ok(ApiResponse<object>.SuccessResponse(activity, "Activity updated successfully", 200));
             }