diff --git a/framework/src/Volo.Abp.EventBus.Abstractions/Volo/Abp/EventBus/IEventBus.cs b/framework/src/Volo.Abp.EventBus.Abstractions/Volo/Abp/EventBus/IEventBus.cs
index 28b6c9567e..5430f20155 100644
--- a/framework/src/Volo.Abp.EventBus.Abstractions/Volo/Abp/EventBus/IEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.Abstractions/Volo/Abp/EventBus/IEventBus.cs
@@ -163,4 +163,4 @@ public interface IEventBus
     /// </summary>
     /// <param name="eventName">Name of the event</param>
     void UnsubscribeAll(string eventName);
-}
\ No newline at end of file
+}
diff --git a/framework/src/Volo.Abp.EventBus.Azure/Volo/Abp/EventBus/Azure/AzureDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus.Azure/Volo/Abp/EventBus/Azure/AzureDistributedEventBus.cs
index e613502018..0004bce24b 100644
--- a/framework/src/Volo.Abp.EventBus.Azure/Volo/Abp/EventBus/Azure/AzureDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.Azure/Volo/Abp/EventBus/Azure/AzureDistributedEventBus.cs
@@ -426,14 +426,14 @@ public class AzureDistributedEventBus : DistributedEventBusBase, ISingletonDepen
 
     protected override IEnumerable<EventTypeWithEventHandlerFactories> GetDynamicHandlerFactories(string eventName)
     {
-        var result = new List<EventTypeWithEventHandlerFactories>();
-
         var eventType = GetEventTypeByEventName(eventName);
         if (eventType != null)
         {
-            result.AddRange(GetHandlerFactories(eventType));
+            return GetHandlerFactories(eventType);
         }
 
+        var result = new List<EventTypeWithEventHandlerFactories>();
+
         foreach (var handlerFactory in DynamicHandlerFactories.Where(hf => hf.Key == eventName))
         {
             result.Add(new EventTypeWithEventHandlerFactories(typeof(DynamicEventData), handlerFactory.Value));
diff --git a/framework/src/Volo.Abp.EventBus.Dapr/Volo/Abp/EventBus/Dapr/DaprDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus.Dapr/Volo/Abp/EventBus/Dapr/DaprDistributedEventBus.cs
index 37e34d864b..3f4f1780db 100644
--- a/framework/src/Volo.Abp.EventBus.Dapr/Volo/Abp/EventBus/Dapr/DaprDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.Dapr/Volo/Abp/EventBus/Dapr/DaprDistributedEventBus.cs
@@ -358,14 +358,14 @@ public class DaprDistributedEventBus : DistributedEventBusBase, ISingletonDepend
 
     protected override IEnumerable<EventTypeWithEventHandlerFactories> GetDynamicHandlerFactories(string eventName)
     {
-        var result = new List<EventTypeWithEventHandlerFactories>();
-
         var eventType = GetEventTypeByEventName(eventName);
         if (eventType != null)
         {
-            result.AddRange(GetHandlerFactories(eventType));
+            return GetHandlerFactories(eventType);
         }
 
+        var result = new List<EventTypeWithEventHandlerFactories>();
+
         foreach (var handlerFactory in DynamicHandlerFactories.Where(hf => hf.Key == eventName))
         {
             result.Add(new EventTypeWithEventHandlerFactories(typeof(DynamicEventData), handlerFactory.Value));
diff --git a/framework/src/Volo.Abp.EventBus.Kafka/Volo/Abp/EventBus/Kafka/KafkaDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus.Kafka/Volo/Abp/EventBus/Kafka/KafkaDistributedEventBus.cs
index ff7f9f6816..792442aa06 100644
--- a/framework/src/Volo.Abp.EventBus.Kafka/Volo/Abp/EventBus/Kafka/KafkaDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.Kafka/Volo/Abp/EventBus/Kafka/KafkaDistributedEventBus.cs
@@ -459,14 +459,14 @@ public class KafkaDistributedEventBus : DistributedEventBusBase, ISingletonDepen
 
     protected override IEnumerable<EventTypeWithEventHandlerFactories> GetDynamicHandlerFactories(string eventName)
     {
-        var result = new List<EventTypeWithEventHandlerFactories>();
-
         var eventType = GetEventTypeByEventName(eventName);
         if (eventType != null)
         {
-            result.AddRange(GetHandlerFactories(eventType));
+            return GetHandlerFactories(eventType);
         }
 
+        var result = new List<EventTypeWithEventHandlerFactories>();
+
         foreach (var handlerFactory in DynamicHandlerFactories.Where(hf => hf.Key == eventName))
         {
             result.Add(new EventTypeWithEventHandlerFactories(typeof(DynamicEventData), handlerFactory.Value));
diff --git a/framework/src/Volo.Abp.EventBus.Rebus/Volo/Abp/EventBus/Rebus/RebusDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus.Rebus/Volo/Abp/EventBus/Rebus/RebusDistributedEventBus.cs
index 52c0de77c9..f192eeda4b 100644
--- a/framework/src/Volo.Abp.EventBus.Rebus/Volo/Abp/EventBus/Rebus/RebusDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.Rebus/Volo/Abp/EventBus/Rebus/RebusDistributedEventBus.cs
@@ -418,14 +418,14 @@ public class RebusDistributedEventBus : DistributedEventBusBase, ISingletonDepen
 
     protected override IEnumerable<EventTypeWithEventHandlerFactories> GetDynamicHandlerFactories(string eventName)
     {
-        var result = new List<EventTypeWithEventHandlerFactories>();
-
         var eventType = GetEventTypeByEventName(eventName);
         if (eventType != null)
         {
-            result.AddRange(GetHandlerFactories(eventType));
+            return GetHandlerFactories(eventType);
         }
 
+        var result = new List<EventTypeWithEventHandlerFactories>();
+
         foreach (var handlerFactory in DynamicHandlerFactories.Where(hf => hf.Key == eventName))
         {
             result.Add(new EventTypeWithEventHandlerFactories(typeof(DynamicEventData), handlerFactory.Value));
diff --git a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventHandlerFactoryUnregistrar.cs b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventHandlerFactoryUnregistrar.cs
index cd5c7b74f6..ffbf14d25f 100644
--- a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventHandlerFactoryUnregistrar.cs
+++ b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventHandlerFactoryUnregistrar.cs
@@ -44,4 +44,4 @@ public class DynamicEventHandlerFactoryUnregistrar : IDisposable
     {
         _eventBus.Unsubscribe(_eventName, _factory);
     }
-}
\ No newline at end of file
+}