diff --git a/src/DotNetCore.CAP.Kafka/KafkaConsumerClient.cs b/src/DotNetCore.CAP.Kafka/KafkaConsumerClient.cs
index ae574a4..f1542b1 100644
--- a/src/DotNetCore.CAP.Kafka/KafkaConsumerClient.cs
+++ b/src/DotNetCore.CAP.Kafka/KafkaConsumerClient.cs
@@ -12,7 +12,7 @@ namespace DotNetCore.CAP.Kafka
         private readonly KafkaOptions _kafkaOptions;
         private Consumer<Null, string> _consumerClient;
 
-        public event EventHandler<MessageBase> MessageReceieved;
+        public event EventHandler<MessageContext> MessageReceieved;
 
         public IDeserializer<string> StringDeserializer { get; set; }
 
@@ -65,8 +65,9 @@ namespace DotNetCore.CAP.Kafka
 
         private void ConsumerClient_OnMessage(object sender, Message<Null, string> e)
         {
-            var message = new MessageBase
+            var message = new MessageContext
             {
+                Group = _groupId,
                 KeyName = e.Topic,
                 Content = e.Value
             };
diff --git a/src/DotNetCore.CAP.RabbitMQ/RabbitMQConsumerClient.cs b/src/DotNetCore.CAP.RabbitMQ/RabbitMQConsumerClient.cs
index e21cc69..aced27f 100644
--- a/src/DotNetCore.CAP.RabbitMQ/RabbitMQConsumerClient.cs
+++ b/src/DotNetCore.CAP.RabbitMQ/RabbitMQConsumerClient.cs
@@ -17,7 +17,7 @@ namespace DotNetCore.CAP.RabbitMQ
         private IConnection _connection;
         private IModel _channel;
 
-        public event EventHandler<MessageBase> MessageReceieved;
+        public event EventHandler<MessageContext> MessageReceieved;
 
         public RabbitMQConsumerClient(string queueName, RabbitMQOptions options)
         {
@@ -77,8 +77,9 @@ namespace DotNetCore.CAP.RabbitMQ
 
         private void OnConsumerReceived(object sender, BasicDeliverEventArgs e)
         {
-            var message = new MessageBase
+            var message = new MessageContext
             {
+                Group = _queueName,
                 KeyName = e.RoutingKey,
                 Content = Encoding.UTF8.GetString(e.Body)
             };
diff --git a/src/DotNetCore.CAP/Abstractions/ConsumerContext.cs b/src/DotNetCore.CAP/Abstractions/ConsumerContext.cs
index ccbdf5b..7c8ece6 100644
--- a/src/DotNetCore.CAP/Abstractions/ConsumerContext.cs
+++ b/src/DotNetCore.CAP/Abstractions/ConsumerContext.cs
@@ -13,7 +13,7 @@ namespace DotNetCore.CAP.Abstractions
         /// </summary>
         /// <param name="descriptor">consumer method descriptor. </param>
         /// <param name="message"> reveied message.</param>
-        public ConsumerContext(ConsumerExecutorDescriptor descriptor, MessageBase message)
+        public ConsumerContext(ConsumerExecutorDescriptor descriptor, MessageContext message)
         {
             ConsumerDescriptor = descriptor ?? throw new ArgumentNullException(nameof(descriptor));
             DeliverMessage = message ?? throw new ArgumentNullException(nameof(message));
@@ -27,6 +27,6 @@ namespace DotNetCore.CAP.Abstractions
         /// <summary>
         /// consumer reveived message.
         /// </summary>
-        public MessageBase DeliverMessage { get; set; }
+        public MessageContext DeliverMessage { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/DotNetCore.CAP/IConsumerClient.cs b/src/DotNetCore.CAP/IConsumerClient.cs
index 2d93a2d..f3ddd61 100644
--- a/src/DotNetCore.CAP/IConsumerClient.cs
+++ b/src/DotNetCore.CAP/IConsumerClient.cs
@@ -14,6 +14,6 @@ namespace DotNetCore.CAP
 
         void Listening(TimeSpan timeout);
 
-        event EventHandler<MessageBase> MessageReceieved;
+        event EventHandler<MessageContext> MessageReceieved;
     }
 }
\ No newline at end of file
diff --git a/src/DotNetCore.CAP/Infrastructure/MessageBase.cs b/src/DotNetCore.CAP/Infrastructure/MessageContext.cs
similarity index 65%
rename from src/DotNetCore.CAP/Infrastructure/MessageBase.cs
rename to src/DotNetCore.CAP/Infrastructure/MessageContext.cs
index ecf3116..48982d6 100644
--- a/src/DotNetCore.CAP/Infrastructure/MessageBase.cs
+++ b/src/DotNetCore.CAP/Infrastructure/MessageContext.cs
@@ -1,7 +1,9 @@
 namespace DotNetCore.CAP.Infrastructure
 {
-    public class MessageBase
+    public class MessageContext
     {
+        public string Group { get; set; }
+
         public string KeyName { get; set; }
 
         public string Content { get; set; }