diff --git a/aspnet-core/modules/common/LINGYUN.Abp.Notifications/LINGYUN/Abp/Notifications/LocalizableStringInfo.cs b/aspnet-core/modules/common/LINGYUN.Abp.Notifications/LINGYUN/Abp/Notifications/LocalizableStringInfo.cs
index ce26dbf68..2ad1d4cb0 100644
--- a/aspnet-core/modules/common/LINGYUN.Abp.Notifications/LINGYUN/Abp/Notifications/LocalizableStringInfo.cs
+++ b/aspnet-core/modules/common/LINGYUN.Abp.Notifications/LINGYUN/Abp/Notifications/LocalizableStringInfo.cs
@@ -2,14 +2,29 @@
 
 namespace LINGYUN.Abp.Notifications
 {
+    /// <summary>
+    /// The notification that needs to be localized
+    /// </summary>
     public class LocalizableStringInfo
     {
+        /// <summary>
+        /// Resource name
+        /// </summary>
         public string ResourceName { get; }
-
+        /// <summary>
+        /// Properties
+        /// </summary>
         public string Name { get; }
-
+        /// <summary>
+        /// Formatted data
+        /// </summary>
         public Dictionary<object, object> Values { get; }
-
+        /// <summary>
+        /// Instantiate <see cref="LocalizableStringInfo"/>
+        /// </summary>
+        /// <param name="resourceName">Resource name</param>
+        /// <param name="name">Properties</param>
+        /// <param name="values">Formatted data</param>
         public LocalizableStringInfo(
             string resourceName, 
             string name,
diff --git a/aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Distributed/UserCreateEventHandler.cs b/aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Distributed/UserCreateEventHandler.cs
similarity index 100%
rename from aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Distributed/UserCreateEventHandler.cs
rename to aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Distributed/UserCreateEventHandler.cs
diff --git a/aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Local/UserCreateJoinIMEventHandler.cs b/aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Local/UserCreateJoinIMEventHandler.cs
similarity index 100%
rename from aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Local/UserCreateJoinIMEventHandler.cs
rename to aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Local/UserCreateJoinIMEventHandler.cs
diff --git a/aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Local/UserCreateSendWelcomeEventHandler.cs b/aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Local/UserCreateSendWelcomeEventHandler.cs
similarity index 100%
rename from aspnet-core/modules/message/LINGYUN.Abp.MessageService.Domain/LINGYUN/Abp/MessageService/EventBus/Local/UserCreateSendWelcomeEventHandler.cs
rename to aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/EventBus/Local/UserCreateSendWelcomeEventHandler.cs