diff --git a/src/pages/instance/Chatwoot/index.tsx b/src/pages/instance/Chatwoot/index.tsx
index f44a207..01a3e75 100644
--- a/src/pages/instance/Chatwoot/index.tsx
+++ b/src/pages/instance/Chatwoot/index.tsx
@@ -24,7 +24,10 @@ import { Chatwoot as ChatwootType } from "@/types/evolution.types";
 const stringOrUndefined = z
   .string()
   .optional()
-  .transform((value) => (value === "" ? undefined : value));
+  .transform((value) => {
+    const trimmed = value?.trim();
+    return !trimmed || trimmed === "" ? undefined : trimmed;
+  });
 
 const formSchema = z.object({
   enabled: z.boolean(),
@@ -117,7 +120,7 @@ function Chatwoot() {
       token: data.token,
       url: data.url,
       signMsg: data.signMsg || false,
-      signDelimiter: data.signDelimiter || "\\n",
+      signDelimiter: data.signDelimiter?.trim() || "\\n",
       nameInbox: data.nameInbox || "",
       organization: data.organization || "",
       logo: data.logo || "",
@@ -196,6 +199,7 @@ function Chatwoot() {
               />
               <FormSwitch name="reopenConversation" label={t("chatwoot.form.reopenConversation.label")} className="w-full justify-between" helper={t("chatwoot.form.reopenConversation.description")} />
               <FormSwitch name="importContacts" label={t("chatwoot.form.importContacts.label")} className="w-full justify-between" helper={t("chatwoot.form.importContacts.description")} />
+              <FormSwitch name="mergeBrazilContacts" label={t("chatwoot.form.mergeBrazilContacts.label")} className="w-full justify-between" helper={t("chatwoot.form.mergeBrazilContacts.description")} />
               <FormSwitch name="importMessages" label={t("chatwoot.form.importMessages.label")} className="w-full justify-between" helper={t("chatwoot.form.importMessages.description")} />
               <FormInput name="daysLimitImportMessages" label={t("chatwoot.form.daysLimitImportMessages.label")}>
                 <Input type="number" />
diff --git a/src/pages/instance/DashboardInstance/index.tsx b/src/pages/instance/DashboardInstance/index.tsx
index cd11081..5bd3173 100644
--- a/src/pages/instance/DashboardInstance/index.tsx
+++ b/src/pages/instance/DashboardInstance/index.tsx
@@ -3,6 +3,7 @@ import { CircleUser, MessageCircle, RefreshCw, UsersRound } from "lucide-react";
 import { useEffect, useMemo, useState } from "react";
 import { useTranslation } from "react-i18next";
 import QRCode from "react-qr-code";
+import { toast } from "react-toastify";
 
 import { InstanceStatus } from "@/components/instance-status";
 import { InstanceToken } from "@/components/instance-token";
@@ -46,8 +47,10 @@ function DashboardInstance() {
     try {
       await restart(instanceName);
       await reloadInstance();
+      toast.success(t("instance.dashboard.toast.restart.success"));
     } catch (error) {
       console.error("Error:", error);
+      toast.error(t("instance.dashboard.toast.restart.error"));
     }
   };
 
diff --git a/src/translate/languages/en-US.json b/src/translate/languages/en-US.json
index f63d13e..5539ff8 100644
--- a/src/translate/languages/en-US.json
+++ b/src/translate/languages/en-US.json
@@ -151,6 +151,12 @@
         "restart": "Restart",
         "disconnect": "Disconnect"
       },
+      "toast": {
+        "restart": {
+          "success": "Instance restarted successfully",
+          "error": "Error restarting instance"
+        }
+      },
       "alert": "To connect, scan the QR code with your WhatsApp Web",
       "contacts": "Contacts",
       "chats": "Chats",
@@ -369,6 +375,10 @@
         "label": "Import Contacts",
         "description": "Import contacts from WhatsApp address book by connecting QR Code"
       },
+      "mergeBrazilContacts": {
+        "label": "Merge Brazil Contacts",
+        "description": "Merge Brazilian contacts with and without country code (55)"
+      },
       "importMessages": {
         "label": "Import Messages",
         "description": "Import messages from WhatsApp by connecting QR Code"
diff --git a/src/translate/languages/es-ES.json b/src/translate/languages/es-ES.json
index 1dc881f..98c94a8 100644
--- a/src/translate/languages/es-ES.json
+++ b/src/translate/languages/es-ES.json
@@ -131,6 +131,12 @@
         "restart": "Reiniciar",
         "disconnect": "Desconectar"
       },
+      "toast": {
+        "restart": {
+          "success": "Instancia reiniciada con éxito",
+          "error": "Error al reiniciar instancia"
+        }
+      },
       "alert": "Para conectar, escanea el Código QR con WhatsApp",
       "contacts": "Contactos",
       "chats": "Chats",
@@ -349,6 +355,10 @@
         "label": "Importar Contactos",
         "description": "Importar contactos del libro de direcciones de WhatsApp al conectar el Código QR"
       },
+      "mergeBrazilContacts": {
+        "label": "Fusionar Contactos Brasil",
+        "description": "Fusiona contactos brasileños con y sin código de país (55)"
+      },
       "importMessages": {
         "label": "Importar Mensajes",
         "description": "Importar mensajes de WhatsApp al conectar el Código QR"
diff --git a/src/translate/languages/pt-BR.json b/src/translate/languages/pt-BR.json
index 7943d44..df64979 100644
--- a/src/translate/languages/pt-BR.json
+++ b/src/translate/languages/pt-BR.json
@@ -131,6 +131,12 @@
         "restart": "Reiniciar",
         "disconnect": "Desconectar"
       },
+      "toast": {
+        "restart": {
+          "success": "Instância reiniciada com sucesso",
+          "error": "Erro ao reiniciar instância"
+        }
+      },
       "alert": "Para conectar, escaneie o QR Code com o WhatsApp",
       "contacts": "Contatos",
       "chats": "Chats",
@@ -349,6 +355,10 @@
         "label": "Importar Contatos",
         "description": "Importar contatos da agenda do WhatsApp ao conectar o QR Code"
       },
+      "mergeBrazilContacts": {
+        "label": "Mesclar Contatos Brasil",
+        "description": "Mescla contatos brasileiros com e sem código de país (55)"
+      },
       "importMessages": {
         "label": "Importar Mensagens",
         "description": "Importar mensagens do WhatsApp ao conectar o QR Code"