diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationContext.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationContext.cs
index 5f70a91b23..5d45f9c7e8 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationContext.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationContext.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using Microsoft.Extensions.FileProviders;
 
 namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
 {
@@ -9,10 +10,13 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
 
         public IServiceProvider ServiceProvider { get; }
 
-        public BundleConfigurationContext(IServiceProvider serviceProvider)
+        public IFileProvider FileProvider { get; }
+
+        public BundleConfigurationContext(IServiceProvider serviceProvider, IFileProvider fileProvider)
         {
             Files = new List<string>();
             ServiceProvider = serviceProvider;
+            FileProvider = fileProvider;
         }
     }
 }
\ No newline at end of file
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleManager.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleManager.cs
index 760be2de70..572ea918e9 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleManager.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleManager.cs
@@ -39,7 +39,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
             IServiceProvider serviceProvider,
             IDynamicFileProvider dynamicFileProvider,
             IBundleCache bundleCache,
-            IHybridWebRootFileProvider webRootFileProvider, 
+            IHybridWebRootFileProvider webRootFileProvider,
             IWebRequestResources requestResources)
         {
             HostingEnvironment = hostingEnvironment;
@@ -67,7 +67,8 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
 
         protected virtual IReadOnlyList<string> GetBundleFiles(BundleConfigurationCollection bundles, string bundleName, IBundler bundler)
         {
-            var files = RequestResources.Filter(CreateFileList(bundles, bundleName));
+            var contributors = GetContributors(bundles, bundleName);
+            var files = RequestResources.Filter(CreateFileList(contributors));
 
             if (!IsBundlingEnabled())
             {
@@ -183,30 +184,33 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
             }
         }
 
-        protected virtual List<string> CreateFileList(BundleConfigurationCollection bundles, string bundleName)
+        protected virtual List<string> CreateFileList(List<BundleContributor> contributors)
         {
             using (var scope = ServiceProvider.CreateScope())
             {
-                var contributors = new List<BundleContributor>();
-                var context = new BundleConfigurationContext(scope.ServiceProvider);
-
-                AddContributorsWithBaseBundles(contributors, bundles, context, bundleName);
-
+                var context = new BundleConfigurationContext(scope.ServiceProvider, scope.ServiceProvider.GetRequiredService<IVirtualFileProvider>());
                 contributors.ForEach(c => c.PreConfigureBundle(context));
                 contributors.ForEach(c => c.ConfigureBundle(context));
                 contributors.ForEach(c => c.PostConfigureBundle(context));
 
-                return context.Files; //TODO: Distinct?
+                return context.Files;
             }
         }
 
-        protected virtual void AddContributorsWithBaseBundles(List<BundleContributor> contributors, BundleConfigurationCollection bundles, BundleConfigurationContext context, string bundleName)
+        protected virtual List<BundleContributor> GetContributors(BundleConfigurationCollection bundles, string bundleName)
+        {
+            var contributors = new List<BundleContributor>();
+            AddContributorsWithBaseBundles(contributors, bundles, bundleName);
+            return contributors;
+        }
+
+        protected virtual void AddContributorsWithBaseBundles(List<BundleContributor> contributors, BundleConfigurationCollection bundles, string bundleName)
         {
             var bundleConfiguration = bundles.Get(bundleName);
 
             foreach (var baseBundleName in bundleConfiguration.BaseBundles)
             {
-                AddContributorsWithBaseBundles(contributors, bundles, context, baseBundleName); //Recursive call
+                AddContributorsWithBaseBundles(contributors, bundles, baseBundleName); //Recursive call
             }
 
             var selfContributors = bundleConfiguration.Contributors.GetAll();
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/JQueryValidation/JQueryValidationScriptContributor.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/JQueryValidation/JQueryValidationScriptContributor.cs
index 53f6b077f5..868f65b2e5 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/JQueryValidation/JQueryValidationScriptContributor.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/JQueryValidation/JQueryValidationScriptContributor.cs
@@ -11,23 +11,36 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Packages.JQueryValidation
     {
         public const string DefaultLocalizationFolder = "/libs/jquery-validation/localization/";
 
-        public static Dictionary<string, string> LocalizationMapping { get; } = new Dictionary<string, string>
-        {
-            //TODO: Add all!
-            {"ar", DefaultLocalizationFolder + "messages_ar.js"},
-            {"tr", DefaultLocalizationFolder + "messages_tr.js"}
-        };
-
         public override void ConfigureBundle(BundleConfigurationContext context)
         {
             context.Files.AddIfNotContains("/libs/jquery-validation/jquery.validate.js");
-            //context.PostDynamicFiles.AddIfNotContains("/libs/jquery-validation/localization/messages_" + CultureInfo.CurrentUICulture.Name + ".js");
         }
 
         public void ConfigureDynamic(BundleConfigurationContext context)
         {
-            //TODO: !!!
-            context.Files.AddIfNotContains("/libs/jquery-validation/localization/messages_" + CultureInfo.CurrentUICulture.Name + ".js");
+            //TODO: Can we optimize this? Also refactor a bit to reduce duplication
+
+            var currentCultureName = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName.Replace('-', '_');
+            var filePath = DefaultLocalizationFolder + "messages_" + currentCultureName + ".js";
+            var fileInfo = context.FileProvider.GetFileInfo(filePath);
+            if (fileInfo != null)
+            {
+                context.Files.AddIfNotContains(filePath);
+                return;
+            }
+
+            if (!currentCultureName.Contains("_"))
+            {
+                return;
+            }
+
+            currentCultureName = currentCultureName.Substring(0, currentCultureName.IndexOf('_'));
+            filePath = DefaultLocalizationFolder + "messages_" + currentCultureName + ".js";
+            fileInfo = context.FileProvider.GetFileInfo(filePath);
+            if (fileInfo != null)
+            {
+                context.Files.AddIfNotContains(filePath);
+            }
         }
     }
 }