diff --git a/Assets/GameScripts/DotNet/Core/Network/Message/Addressable/AddressableManageComponent.cs b/Assets/GameScripts/DotNet/Core/Network/Message/Addressable/AddressableManageComponent.cs
index 124499b8..dd965e19 100644
--- a/Assets/GameScripts/DotNet/Core/Network/Message/Addressable/AddressableManageComponent.cs
+++ b/Assets/GameScripts/DotNet/Core/Network/Message/Addressable/AddressableManageComponent.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 
 namespace TEngine.Core.Network