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 73bf5cfc3d..296f353681 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
@@ -206,12 +206,7 @@ public class AzureDistributedEventBus : DistributedEventBusBase, ISingletonDepen
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete);
         }
 
-        if (DynamicHandlerFactories.ContainsKey(eventName))
-        {
-            return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
-        }
-
-        throw new AbpException($"Unknown event name: {eventName}");
+        return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
     }
 
     protected async override Task PublishToEventBusAsync(Type eventType, object eventData)
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 6a886afbc4..a5b2b2869a 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
@@ -206,12 +206,7 @@ public class KafkaDistributedEventBus : DistributedEventBusBase, ISingletonDepen
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete);
         }
 
-        if (DynamicHandlerFactories.ContainsKey(eventName))
-        {
-            return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
-        }
-
-        throw new AbpException($"Unknown event name: {eventName}");
+        return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
     }
 
     protected override async Task PublishToEventBusAsync(Type eventType, object eventData)
diff --git a/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/RabbitMqDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/RabbitMqDistributedEventBus.cs
index 747c0ef4b3..b18afd2ea8 100644
--- a/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/RabbitMqDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/RabbitMqDistributedEventBus.cs
@@ -236,12 +236,7 @@ public class RabbitMqDistributedEventBus : DistributedEventBusBase, IRabbitMqDis
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete);
         }
 
-        if (DynamicHandlerFactories.ContainsKey(eventName))
-        {
-            return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
-        }
-
-        throw new AbpException($"Unknown event name: {eventName}");
+        return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
     }
 
     protected async override Task PublishToEventBusAsync(Type eventType, object eventData)
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 f192eeda4b..42ba15a10d 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
@@ -201,12 +201,7 @@ public class RebusDistributedEventBus : DistributedEventBusBase, ISingletonDepen
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete);
         }
 
-        if (DynamicHandlerFactories.ContainsKey(eventName))
-        {
-            return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
-        }
-
-        throw new AbpException($"Unknown event name: {eventName}");
+        return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
     }
 
     protected async override Task PublishToEventBusAsync(Type eventType, object eventData)
diff --git a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus.cs b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus.cs
index f675f71b58..1d8e1ed680 100644
--- a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus.cs
@@ -180,11 +180,6 @@ public class LocalDistributedEventBus : DistributedEventBusBase, ISingletonDepen
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete, useOutbox);
         }
 
-        if (!DynamicEventNames.ContainsKey(eventName))
-        {
-            throw new AbpException($"Unknown event name: {eventName}");
-        }
-
         return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete, useOutbox);
     }
 
diff --git a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventBusBase.cs b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventBusBase.cs
index 41fe39fb3f..e59cd95613 100644
--- a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventBusBase.cs
+++ b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/EventBusBase.cs
@@ -6,10 +6,10 @@ using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
-using System.Text.Json;
 using Volo.Abp.Collections;
 using Volo.Abp.DynamicProxy;
 using Volo.Abp.EventBus.Distributed;
+using Volo.Abp.Json;
 using Volo.Abp.MultiTenancy;
 using Volo.Abp.Reflection;
 using Volo.Abp.Uow;
@@ -228,8 +228,10 @@ public abstract class EventBusBase : IEventBus
             return data;
         }
 
-        var json = JsonSerializer.Serialize(data);
-        return JsonSerializer.Deserialize(json, targetType)!;
+        using var scope = ServiceScopeFactory.CreateScope();
+        var jsonSerializer = scope.ServiceProvider.GetRequiredService<IJsonSerializer>();
+        var json = jsonSerializer.Serialize(data);
+        return jsonSerializer.Deserialize(targetType, json);
     }
 
     protected void ThrowOriginalExceptions(Type eventType, List<Exception> exceptions)
diff --git a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Local/LocalEventBus.cs b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Local/LocalEventBus.cs
index 5d8947dc40..729afa2915 100644
--- a/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Local/LocalEventBus.cs
+++ b/framework/src/Volo.Abp.EventBus/Volo/Abp/EventBus/Local/LocalEventBus.cs
@@ -181,12 +181,6 @@ public class LocalEventBus : EventBusBase, ILocalEventBus, ISingletonDependency
             return PublishAsync(eventType, ConvertDynamicEventData(dynamicEventData.Data, eventType), onUnitOfWorkComplete);
         }
 
-        var isDynamic = DynamicEventHandlerFactories.ContainsKey(eventName);
-        if (!isDynamic)
-        {
-            throw new AbpException($"Unknown event name: {eventName}");
-        }
-
         return PublishAsync(typeof(DynamicEventData), dynamicEventData, onUnitOfWorkComplete);
     }
 
diff --git a/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus_Test.cs b/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus_Test.cs
index d6f4c2275c..b77f282a85 100644
--- a/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus_Test.cs
+++ b/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Distributed/LocalDistributedEventBus_Test.cs
@@ -187,10 +187,10 @@ public class LocalDistributedEventBus_Test : LocalDistributedEventBusTestBase
     }
 
     [Fact]
-    public async Task Should_Throw_For_Unknown_Event_Name()
+    public async Task Should_Not_Throw_For_Unknown_Event_Name()
     {
-        await Assert.ThrowsAsync<AbpException>(() =>
-            DistributedEventBus.PublishAsync("NonExistentEvent", new { Value = 1 }));
+        // Publishing to an unknown event name should not throw (consistent with typed PublishAsync behavior)
+        await DistributedEventBus.PublishAsync("NonExistentEvent", new { Value = 1 });
     }
 
     [Fact]
diff --git a/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Local/LocalEventBus_Dynamic_Test.cs b/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Local/LocalEventBus_Dynamic_Test.cs
index c9d5180186..c9813b8717 100644
--- a/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Local/LocalEventBus_Dynamic_Test.cs
+++ b/framework/test/Volo.Abp.EventBus.Tests/Volo/Abp/EventBus/Local/LocalEventBus_Dynamic_Test.cs
@@ -118,10 +118,10 @@ public class LocalEventBus_Dynamic_Test : EventBusTestBase
     }
 
     [Fact]
-    public async Task Should_Throw_For_Unknown_Event_Name()
+    public async Task Should_Not_Throw_For_Unknown_Event_Name()
     {
-        await Assert.ThrowsAsync<AbpException>(() =>
-            LocalEventBus.PublishAsync("NonExistentEvent", new { Value = 1 }));
+        // Publishing to an unknown event name should not throw (consistent with typed PublishAsync behavior)
+        await LocalEventBus.PublishAsync("NonExistentEvent", new { Value = 1 });
     }
 
     [Fact]