diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationCollection.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationCollection.cs
index 3441227ad0..9e16466fa4 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationCollection.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bundling/Volo/Abp/AspNetCore/Mvc/UI/Bundling/BundleConfigurationCollection.cs
@@ -1,68 +1,127 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using JetBrains.Annotations;
 
 namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
 {
     public class BundleConfigurationCollection
     {
-        private readonly ConcurrentDictionary<string, BundleConfiguration> _bundleContributors;
+        private readonly ConcurrentDictionary<string, BundleConfiguration> _bundles;
+        private readonly ConcurrentDictionary<string, List<Action<BundleConfiguration>>> _lazyBundleConfigurationActions;
 
         public BundleConfigurationCollection()
         {
-            _bundleContributors = new ConcurrentDictionary<string, BundleConfiguration>();
+            _bundles = new ConcurrentDictionary<string, BundleConfiguration>();
+            _lazyBundleConfigurationActions = new ConcurrentDictionary<string, List<Action<BundleConfiguration>>>();
         }
 
-        public BundleConfiguration Add(string bundleName)
+        /// <summary>
+        /// Adds a new bundle with given <paramref name="bundleName"/>.
+        /// Throws <see cref="AbpException"/> if there is already a bundle with the same name.
+        /// </summary>
+        /// <param name="bundleName">Bundle name.</param>
+        /// <param name="configureAction">Initial configuration action.</param>
+        /// <returns>Returns this object for chained calls.</returns>
+        public BundleConfigurationCollection Add([NotNull] string bundleName, [CanBeNull] Action<BundleConfiguration> configureAction = null)
         {
-            if (_bundleContributors.ContainsKey(bundleName))
+            if (!TryAdd(bundleName, configureAction))
             {
                 throw new AbpException($"There is already a bundle added with given {nameof(bundleName)}: {bundleName}");
             }
 
-            return _bundleContributors.AddOrUpdate(bundleName, new BundleConfiguration(bundleName), (n, c) => c);
+            return this;
         }
 
-        public BundleConfiguration Get(string bundleName)
+        /// <summary>
+        /// Tries to add a new bundle with given <paramref name="bundleName"/>.
+        /// Returns false if it's already created before.
+        /// <paramref name="configureAction"/> is not called if it's already added before.
+        /// </summary>
+        /// <param name="bundleName">Bundle name.</param>
+        /// <param name="configureAction">Initial configuration action.</param>
+        /// <returns>Returns true if added. Returns false if it's already added before.</returns>
+        public bool TryAdd([NotNull] string bundleName, [CanBeNull] Action<BundleConfiguration> configureAction = null)
         {
-            CheckBundle(bundleName);
+            Check.NotNull(bundleName, nameof(bundleName));
 
-            return _bundleContributors[bundleName];
-        }
+            if (_bundles.ContainsKey(bundleName))
+            {
+                return false;
+            }
 
-        public BundleConfiguration GetOrNull(string bundleName)
-        {
-            if (!_bundleContributors.TryGetValue(bundleName, out var bundleConfiguration))
+            var bundle = new BundleConfiguration(bundleName);
+            configureAction?.Invoke(bundle);
+
+            if (_lazyBundleConfigurationActions.TryGetValue(bundleName, out var configurationActions))
             {
-                return null;
+                lock (configurationActions)
+                {
+                    configurationActions.ForEach(c => c.Invoke(bundle));
+                }
             }
 
-            return bundleConfiguration;
-        }
+            if (!_bundles.TryAdd(bundleName, bundle))
+            {
+                return false;
+            }
 
-        public BundleConfiguration GetOrAdd(string bundleName)
-        {
-            return GetOrAdd(bundleName, c => { });
+            if (configurationActions != null)
+            {
+                lock (configurationActions)
+                {
+                    configurationActions.Clear();
+                }
+            }
+
+            return true;
         }
 
-        internal BundleConfiguration GetOrAdd(string bundleName, Action<BundleConfiguration> configureAction)
+        /// <summary>
+        /// Configures an existing bundle.
+        /// This method also works for lazy bundles (those are created using razor tag helpers).
+        /// </summary>
+        /// <param name="bundleName">Bundle name</param>
+        /// <param name="configureAction">Configure action</param>
+        /// <returns>Returns this object for chained calls.</returns>
+        public BundleConfigurationCollection Configure([NotNull] string bundleName, [NotNull] Action<BundleConfiguration> configureAction)
         {
-            return _bundleContributors.GetOrAdd(
-                bundleName,
-                () =>
+            Check.NotNull(bundleName, nameof(bundleName));
+            Check.NotNull(configureAction, nameof(configureAction));
+
+            if (_bundles.TryGetValue(bundleName, out var bundle))
+            {
+                configureAction.Invoke(bundle);
+            }
+            else
+            {
+                var configurationActions = _lazyBundleConfigurationActions
+                    .GetOrAdd(bundleName, () => new List<Action<BundleConfiguration>>());
+
+                lock (configurationActions)
                 {
-                    var configuration = new BundleConfiguration(bundleName);
-                    configureAction.Invoke(configuration);
-                    return configuration;
-                });
+                    configurationActions.Add(configureAction);
+                }
+            }
+
+            return this;
         }
 
-        private void CheckBundle(string bundleName)
+        /// <summary>
+        /// Gets a bundle.
+        /// </summary>
+        /// <param name="bundleName">The bundle name</param>
+        /// <returns>The bundle configuration</returns>
+        public BundleConfiguration Get([NotNull] string bundleName)
         {
-            if (!_bundleContributors.ContainsKey(bundleName))
+            Check.NotNull(bundleName, nameof(bundleName));
+
+            if (!_bundles.TryGetValue(bundleName, out var bundle))
             {
                 throw new AbpException($"There is no bundle with given {nameof(bundleName)}: {bundleName}");
             }
+
+            return bundle;
         }
     }
 }
\ 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 3732a7cffd..30c78ff469 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
@@ -139,12 +139,12 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bundling
 
         public virtual void CreateStyleBundle(string bundleName, Action<BundleConfiguration> configureAction)
         {
-            _options.StyleBundles.GetOrAdd(bundleName, configureAction);
+            _options.StyleBundles.TryAdd(bundleName, configureAction);
         }
 
         public virtual void CreateScriptBundle(string bundleName, Action<BundleConfiguration> configureAction)
         {
-            _options.ScriptBundles.GetOrAdd(bundleName, configureAction);
+            _options.ScriptBundles.TryAdd(bundleName, configureAction);
         }
 
         protected virtual bool IsBundlingEnabled()
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/AbpAspNetCoreMvcUiThemeSharedModule.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/AbpAspNetCoreMvcUiThemeSharedModule.cs
index 2c24cc725d..a929a0c358 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/AbpAspNetCoreMvcUiThemeSharedModule.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/AbpAspNetCoreMvcUiThemeSharedModule.cs
@@ -25,13 +25,11 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared
             {
                 options
                     .StyleBundles
-                    .Add(StandardBundles.Styles.Global)
-                    .AddContributors(typeof(SharedThemeGlobalStyleContributor));
+                    .Add(StandardBundles.Styles.Global, bundle => { bundle.AddContributors(typeof(SharedThemeGlobalStyleContributor)); });
 
                 options
                     .ScriptBundles
-                    .Add(StandardBundles.Scripts.Global)
-                    .AddContributors(typeof(SharedThemeGlobalScriptContributor));
+                    .Add(StandardBundles.Scripts.Global, bundle => bundle.AddContributors(typeof(SharedThemeGlobalScriptContributor)));
             });
 
             services.AddAssemblyOf<AbpAspNetCoreMvcUiThemeSharedModule>();