diff --git a/src/Luban.Job.Cfg/Source/TypeVisitors/CsJsonDeserialize.cs b/src/Luban.Job.Cfg/Source/TypeVisitors/CsJsonDeserialize.cs
index ed0243e..3b8cc23 100644
--- a/src/Luban.Job.Cfg/Source/TypeVisitors/CsJsonDeserialize.cs
+++ b/src/Luban.Job.Cfg/Source/TypeVisitors/CsJsonDeserialize.cs
@@ -1,6 +1,7 @@
 using Luban.Job.Cfg.Datas;
 using Luban.Job.Common.Types;
 using Luban.Job.Common.TypeVisitors;
+using Luban.Job.Common.Utils;
 using System;
 
 namespace Luban.Job.Cfg.TypeVisitors
@@ -80,7 +81,8 @@ namespace Luban.Job.Cfg.TypeVisitors
 
         public string Accept(TBean type, string json, string x, int depth)
         {
-            return $"{x} =  {type.CsUnderingDefineType()}.Deserialize{type.Bean.Name}({json});";
+            string src = $"{type.Bean.FullName}.Deserialize{type.Bean.Name}({json});";
+            return $"{x} = {ExternalTypeUtil.CsCloneToExternal(type.Bean.FullName, src)};";
         }
 
         public string Accept(TArray type, string json, string x, int depth)
diff --git a/src/Luban.Job.Cfg/Source/TypeVisitors/CsUnityJsonDeserialize.cs b/src/Luban.Job.Cfg/Source/TypeVisitors/CsUnityJsonDeserialize.cs
index d85b7f7..16f6b3e 100644
--- a/src/Luban.Job.Cfg/Source/TypeVisitors/CsUnityJsonDeserialize.cs
+++ b/src/Luban.Job.Cfg/Source/TypeVisitors/CsUnityJsonDeserialize.cs
@@ -1,6 +1,7 @@
 using Luban.Job.Cfg.Datas;
 using Luban.Job.Common.Types;
 using Luban.Job.Common.TypeVisitors;
+using Luban.Job.Common.Utils;
 using System;
 
 namespace Luban.Job.Cfg.TypeVisitors
@@ -81,7 +82,8 @@ namespace Luban.Job.Cfg.TypeVisitors
 
         public string Accept(TBean type, string json, string x, int depth)
         {
-            return $"{{ if(!{json}.IsObject) {{ throw new SerializationException(); }}  {x} = {type.CsUnderingDefineType()}.Deserialize{type.Bean.Name}({json}); }}";
+            string src = $"{type.Bean.FullName}.Deserialize{type.Bean.Name}({json})";
+            return $"{{ if(!{json}.IsObject) {{ throw new SerializationException(); }}  {x} = {ExternalTypeUtil.CsCloneToExternal(type.Bean.FullName, src)};  }}";
         }
 
         public string Accept(TArray type, string json, string x, int depth)