diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/Configuration/IConfigurationAccessor.cs b/framework/src/Volo.Abp.Core/Volo/Abp/Configuration/IConfigurationAccessor.cs
index c8ae448be2..34e5d96692 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/Configuration/IConfigurationAccessor.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/Configuration/IConfigurationAccessor.cs
@@ -1,7 +1,9 @@
-using Microsoft.Extensions.Configuration;
+using System;
+using Microsoft.Extensions.Configuration;
 
 namespace Volo.Abp.Configuration
 {
+    [Obsolete("IConfigurationAccessor will be removed in v1.0. Use IConfiguration instead (be use that you are using generic host just like the startup templates).")]
     public interface IConfigurationAccessor
     {
         IConfigurationRoot Configuration { get; }