diff --git a/client/src/app/quotes/edit.tsx b/client/src/app/quotes/edit.tsx
index 9d7cf65..f0ae32f 100644
--- a/client/src/app/quotes/edit.tsx
+++ b/client/src/app/quotes/edit.tsx
@@ -300,7 +300,7 @@ export const QuoteEdit = () => {
 
           <Tabs
             defaultValue='items'
-            className='space-y-4'
+            className='hidden space-y-4 '
             value={activeTab}
             onValueChange={setActiveTab}
           >
diff --git a/client/src/app/quotes/layout.tsx b/client/src/app/quotes/layout.tsx
index 9278a25..9e88cbe 100644
--- a/client/src/app/quotes/layout.tsx
+++ b/client/src/app/quotes/layout.tsx
@@ -14,29 +14,10 @@ export const QuotesLayout = ({ children }: PropsWithChildren) => {
         <Layout>
           <LayoutHeader />
           <LayoutContent>
-            {" "}
-            <div className={`layout ${isEditing ? "editing" : ""}`}>
-              <div className='quotes-list'>
-                <Outlet />
-              </div>
-              {isEditing && (
-                <div className='quotes-editor'>
-                  <Outlet />
-                </div>
-              )}
-            </div>
+            <Outlet />
           </LayoutContent>
         </Layout>
       </QuotesProvider>
     </ProtectedRoute>
   );
-
-  return (
-    <QuotesProvider>
-      <Layout>
-        <LayoutHeader />
-        <LayoutContent>{children}</LayoutContent>
-      </Layout>
-    </QuotesProvider>
-  );
 };
diff --git a/client/src/app/quotes/list.tsx b/client/src/app/quotes/list.tsx
index a0730c3..1fa6815 100644
--- a/client/src/app/quotes/list.tsx
+++ b/client/src/app/quotes/list.tsx
@@ -2,10 +2,23 @@ import { DataTableProvider } from "@/lib/hooks";
 import { Trans } from "react-i18next";
 import { QuotesDataTable } from "./components";
 
-import { Button, Tabs, TabsContent, TabsList, TabsTrigger, Toggle } from "@/ui";
+import {
+  Button,
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+  Tabs,
+  TabsContent,
+  TabsList,
+  TabsTrigger,
+  Toggle,
+} from "@/ui";
 import { useToggle } from "@wojtekmaj/react-hooks";
 import { t } from "i18next";
-import { EyeIcon, EyeOffIcon, PlusIcon } from "lucide-react";
+import { EyeIcon, EyeOffIcon, HelpCircleIcon, PlusIcon } from "lucide-react";
 import { useNavigate } from "react-router-dom";
 
 export const QuotesList = () => {
@@ -33,7 +46,56 @@ export const QuotesList = () => {
 
       <Tabs defaultValue='all'>
         <div className='flex items-center'>
-          <span className='mr-4 font-medium'>Status</span>
+          <div className='flex items-center justify-center mr-4 font-medium'>
+            <Trans i18nKey='quotes.list.columns.status' />
+            <Dialog>
+              <DialogTrigger asChild>
+                <Button variant='ghost' size='icon' className='w-4 h-4 p-0 ml-1'>
+                  <HelpCircleIcon className='w-4 h-4 ml-1 text-muted-foreground' />
+                </Button>
+              </DialogTrigger>
+              <DialogContent className='sm:max-w-[425px]'>
+                <DialogHeader>
+                  <DialogTitle>Ayuda sobre el Estado de Cotizaciones</DialogTitle>
+                  <DialogDescription>
+                    El estado de una cotización indica su posición actual en el proceso de negocio.
+                  </DialogDescription>
+                </DialogHeader>
+                <div className='grid gap-4 py-4'>
+                  <p>Los estados posibles son:</p>
+                  <ul className='pl-6 space-y-2 list-disc'>
+                    <li>
+                      <strong>Borrador:</strong> La cotización está en proceso de creación o
+                      edición.
+                    </li>
+                    <li>
+                      <strong>Preparado:</strong> La cotización está lista para ser enviada al
+                      cliente.
+                    </li>
+                    <li>
+                      <strong>Entregado:</strong> La cotización ha sido enviada al cliente.
+                    </li>
+                    <li>
+                      <strong>Aceptado:</strong> El cliente ha aprobado la cotización.
+                    </li>
+                    <li>
+                      <strong>Rechazado:</strong> El cliente no ha aceptado la cotización.
+                    </li>
+                    <li>
+                      <strong>Arcivado:</strong> La cotización ha sido guardada para referencia
+                      futura y ya no está activa.
+                    </li>
+                  </ul>
+                  <p>
+                    Utiliza estos estados para hacer un seguimiento eficiente de tus cotizaciones y
+                    optimizar tu proceso de ventas. El estado <strong>Archivado</strong> es útil
+                    para mantener un historial de cotizaciones pasadas sin que interfieran con las
+                    cotizaciones activas.
+                  </p>
+                </div>
+              </DialogContent>
+            </Dialog>
+          </div>
           <TabsList>
             <TabsTrigger value='all'>
               <Trans i18nKey='quotes.list.tabs.all' />
diff --git a/server/src/infrastructure/express/app.ts b/server/src/infrastructure/express/app.ts
index 69d5fe1..61ddacd 100644
--- a/server/src/infrastructure/express/app.ts
+++ b/server/src/infrastructure/express/app.ts
@@ -48,6 +48,14 @@ app.use(
 // secure apps by setting various HTTP headers
 app.use(helmet());
 
+// Middleware global para desactivar la caché en todas las rutas
+app.use((req, res, next) => {
+  res.setHeader("Cache-Control", "no-store, no-cache, must-revalidate, max-age=0");
+  res.setHeader("Pragma", "no-cache");
+  res.setHeader("Expires", "0");
+  next(); // Continúa con la siguiente función middleware o la ruta
+});
+
 // request logging. dev: console | production: file
 //app.use(morgan('common'));
 app.use(morgan("dev"));
diff --git a/server/src/infrastructure/sequelize/initStructure.ts b/server/src/infrastructure/sequelize/initStructure.ts
index 10a8c47..169824d 100644
--- a/server/src/infrastructure/sequelize/initStructure.ts
+++ b/server/src/infrastructure/sequelize/initStructure.ts
@@ -8,7 +8,7 @@ const createCatalogTableIfNotExists = async (sequelize: Sequelize) => {
   try {
     // Consulta para verificar si la tabla existe
     const checkTableQuery = `
-      SELECT COUNT(*)
+      SELECT COUNT(*) as count
       FROM information_schema.tables 
       WHERE table_schema = DATABASE() 
       AND table_name = 'catalog';`;
@@ -56,7 +56,7 @@ const createCatalogTranslationsTableIfNotExists = async (sequelize: Sequelize) =
   try {
     // Consulta para verificar si la tabla existe
     const checkTableQuery = `
-        SELECT COUNT(*)
+        SELECT COUNT(*) as count
         FROM information_schema.tables 
         WHERE table_schema = DATABASE() 
         AND table_name = 'catalog_translations';
@@ -104,7 +104,7 @@ const createVCatalogViewIfNotExists = async (sequelize: Sequelize) => {
   try {
     // Consulta para verificar si la tabla existe
     const checkViewQuery = `
-          SELECT COUNT(*)
+          SELECT COUNT(*) as count
           FROM information_schema.views 
           WHERE table_schema = DATABASE() 
           AND table_name = 'v_catalog';