diff --git a/assets/js/http/admins_http_client.js b/assets/js/http/admins_http_client.js
index 178a276f..a30a654e 100644
--- a/assets/js/http/admins_http_client.js
+++ b/assets/js/http/admins_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Admins = (function () {
         const url = App.Utils.Url.siteUrl('admins/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             admin: admin
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Admins = (function () {
         const url = App.Utils.Url.siteUrl('admins/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             admin: admin
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Admins = (function () {
         const url = App.Utils.Url.siteUrl('admins/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             admin_id: adminId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Admins = (function () {
         const url = App.Utils.Url.siteUrl('admins/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Admins = (function () {
         const url = App.Utils.Url.siteUrl('admins/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             admin_id: adminId
         };
 
diff --git a/assets/js/http/appointments_http_client.js b/assets/js/http/appointments_http_client.js
index 2ce63c4c..d7fae920 100644
--- a/assets/js/http/appointments_http_client.js
+++ b/assets/js/http/appointments_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Appointments = (function () {
         const url = App.Utils.Url.siteUrl('appointments/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             appointment: appointment
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Appointments = (function () {
         const url = App.Utils.Url.siteUrl('appointments/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             appointment: appointment
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Appointments = (function () {
         const url = App.Utils.Url.siteUrl('appointments/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             appointment_id: appointmentId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Appointments = (function () {
         const url = App.Utils.Url.siteUrl('appointments/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Appointments = (function () {
         const url = App.Utils.Url.siteUrl('appointments/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             appointment_id: appointmentId
         };
 
diff --git a/assets/js/http/categories_http_client.js b/assets/js/http/categories_http_client.js
index bec26978..fb122a1c 100644
--- a/assets/js/http/categories_http_client.js
+++ b/assets/js/http/categories_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Categories = (function () {
         const url = App.Utils.Url.siteUrl('categories/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             category: category
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Categories = (function () {
         const url = App.Utils.Url.siteUrl('categories/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             category: category
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Categories = (function () {
         const url = App.Utils.Url.siteUrl('categories/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             category_id: categoryId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Categories = (function () {
         const url = App.Utils.Url.siteUrl('categories/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Categories = (function () {
         const url = App.Utils.Url.siteUrl('categories/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             category_id: categoryId
         };
 
diff --git a/assets/js/http/customers_http_client.js b/assets/js/http/customers_http_client.js
index 191177d7..ebf798a2 100644
--- a/assets/js/http/customers_http_client.js
+++ b/assets/js/http/customers_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Customers = (function () {
         const url = App.Utils.Url.siteUrl('customers/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             customer: customer
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Customers = (function () {
         const url = App.Utils.Url.siteUrl('customers/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             customer: customer
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Customers = (function () {
         const url = App.Utils.Url.siteUrl('customers/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             customer_id: customerId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Customers = (function () {
         const url = App.Utils.Url.siteUrl('customers/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Customers = (function () {
         const url = App.Utils.Url.siteUrl('customers/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             customer_id: customerId
         };
 
diff --git a/assets/js/http/providers_http_client.js b/assets/js/http/providers_http_client.js
index 7c2ec3ee..4d55ec81 100644
--- a/assets/js/http/providers_http_client.js
+++ b/assets/js/http/providers_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Providers = (function () {
         const url = App.Utils.Url.siteUrl('providers/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             provider: provider
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Providers = (function () {
         const url = App.Utils.Url.siteUrl('providers/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             provider: provider
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Providers = (function () {
         const url = App.Utils.Url.siteUrl('providers/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             provider_id: providerId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Providers = (function () {
         const url = App.Utils.Url.siteUrl('providers/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Providers = (function () {
         const url = App.Utils.Url.siteUrl('providers/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             provider_id: providerId
         };
 
diff --git a/assets/js/http/secretaries_http_client.js b/assets/js/http/secretaries_http_client.js
index b2df2b1d..0f21482d 100644
--- a/assets/js/http/secretaries_http_client.js
+++ b/assets/js/http/secretaries_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Secretaries = (function () {
         const url = App.Utils.Url.siteUrl('secretaries/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             secretary: secretary
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Secretaries = (function () {
         const url = App.Utils.Url.siteUrl('secretaries/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             secretary: secretary
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Secretaries = (function () {
         const url = App.Utils.Url.siteUrl('secretaries/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             secretary_id: secretaryId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Secretaries = (function () {
         const url = App.Utils.Url.siteUrl('secretaries/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Secretaries = (function () {
         const url = App.Utils.Url.siteUrl('secretaries/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             secretary_id: secretaryId
         };
 
diff --git a/assets/js/http/services_http_client.js b/assets/js/http/services_http_client.js
index 72b93ff3..d48976c8 100644
--- a/assets/js/http/services_http_client.js
+++ b/assets/js/http/services_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Services = (function () {
         const url = App.Utils.Url.siteUrl('services/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             service: service
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Services = (function () {
         const url = App.Utils.Url.siteUrl('services/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             service: service
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Services = (function () {
         const url = App.Utils.Url.siteUrl('services/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             service_id: serviceId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Services = (function () {
         const url = App.Utils.Url.siteUrl('services/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Services = (function () {
         const url = App.Utils.Url.siteUrl('services/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             service_id: serviceId
         };
 
diff --git a/assets/js/http/settings_http_client.js b/assets/js/http/settings_http_client.js
index 8325c94d..c89e656c 100644
--- a/assets/js/http/settings_http_client.js
+++ b/assets/js/http/settings_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Settings = (function () {
         const url = App.Utils.Url.siteUrl('settings/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             setting: setting
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Settings = (function () {
         const url = App.Utils.Url.siteUrl('settings/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             setting: setting
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Settings = (function () {
         const url = App.Utils.Url.siteUrl('settings/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             setting_id: settingId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Settings = (function () {
         const url = App.Utils.Url.siteUrl('settings/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Settings = (function () {
         const url = App.Utils.Url.siteUrl('settings/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             setting_id: settingId
         };
 
diff --git a/assets/js/http/unavailabilities_http_client.js b/assets/js/http/unavailabilities_http_client.js
index 811b004b..c25692d1 100644
--- a/assets/js/http/unavailabilities_http_client.js
+++ b/assets/js/http/unavailabilities_http_client.js
@@ -21,7 +21,7 @@ window.App.Http.Unavailabilities = (function () {
         const url = App.Utils.Url.siteUrl('unavailabilities/create');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             unavailability: unavailability
         };
 
@@ -39,7 +39,7 @@ window.App.Http.Unavailabilities = (function () {
         const url = App.Utils.Url.siteUrl('unavailabilities/update');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             unavailability: unavailability
         };
 
@@ -57,7 +57,7 @@ window.App.Http.Unavailabilities = (function () {
         const url = App.Utils.Url.siteUrl('unavailabilities/destroy');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             unavailability_id: unavailabilityId
         };
 
@@ -78,7 +78,7 @@ window.App.Http.Unavailabilities = (function () {
         const url = App.Utils.Url.siteUrl('unavailabilities/search');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             keyword,
             limit,
             offset,
@@ -99,7 +99,7 @@ window.App.Http.Unavailabilities = (function () {
         const url = App.Utils.Url.siteUrl('unavailabilities/find');
 
         const data = {
-            csrf_token: App.Config.csrf_token,
+            csrf_token: App.Vars.csrf_token,
             unavailability_id: unavailabilityId
         };
 
diff --git a/assets/js/utils/url.js b/assets/js/utils/url.js
index 911b2b70..ba5a6e1d 100644
--- a/assets/js/utils/url.js
+++ b/assets/js/utils/url.js
@@ -18,7 +18,7 @@ window.App.Utils.Url = (function () {
      * @return {String}
      */
     function baseUrl(uri) {
-        return `${App.Config.base_url}/${uri}`;
+        return `${App.Vars.base_url}/${uri}`;
     }
 
     /**
@@ -29,7 +29,7 @@ window.App.Utils.Url = (function () {
      * @returns {String}
      */
     function siteUrl(uri) {
-        return `${App.Config.base_url}${App.Config.index_page ? '/' + App.Config.index_page : ''}/${uri}`;
+        return `${App.Vars.base_url}${App.Vars.index_page ? '/' + App.Vars.index_page : ''}/${uri}`;
     }
 
     /**