diff --git a/src/Luban.Java/TypeVisitors/JavaBinUnderlyingDeserializeVisitor.cs b/src/Luban.Java/TypeVisitors/JavaBinUnderlyingDeserializeVisitor.cs
index 3b2b5779..dabf18c4 100644
--- a/src/Luban.Java/TypeVisitors/JavaBinUnderlyingDeserializeVisitor.cs
+++ b/src/Luban.Java/TypeVisitors/JavaBinUnderlyingDeserializeVisitor.cs
@@ -1,5 +1,6 @@
 using Luban.Types;
 using Luban.TypeVisitors;
+using Luban.Utils;
 
 namespace Luban.Java.TypeVisitors;
 
@@ -44,7 +45,9 @@ public string Accept(TDouble type, string bufName, string fieldName)
 
     public string Accept(TEnum type, string bufName, string fieldName)
     {
-        return $"{fieldName} = {bufName}.readInt();";
+        string src = $"{bufName}.readInt()";
+        string constructor = type.DefEnum.TypeConstructorWithTypeMapper();
+        return $"{fieldName} = {(string.IsNullOrEmpty(constructor) ? src : $"{constructor}({src})")};";
     }
 
     public string Accept(TString type, string bufName, string fieldName)
@@ -54,7 +57,9 @@ public string Accept(TString type, string bufName, string fieldName)
 
     public string Accept(TBean type, string bufName, string fieldName)
     {
-        return $"{fieldName} = {type.DefBean.FullNameWithTopModule}.deserialize({bufName});";
+        string src = $"{type.DefBean.FullNameWithTopModule}.deserialize({bufName})";
+        string constructor = type.DefBean.TypeConstructorWithTypeMapper();
+        return $"{fieldName} = {(string.IsNullOrEmpty(constructor) ? src : $"{constructor}({src})")};";
     }
 
     public string Accept(TArray type, string bufName, string fieldName)
diff --git a/src/Luban.Java/TypeVisitors/JavaDeclaringTypeNameVisitor.cs b/src/Luban.Java/TypeVisitors/JavaDeclaringTypeNameVisitor.cs
index 506eb0bf..e1f39524 100644
--- a/src/Luban.Java/TypeVisitors/JavaDeclaringTypeNameVisitor.cs
+++ b/src/Luban.Java/TypeVisitors/JavaDeclaringTypeNameVisitor.cs
@@ -1,5 +1,6 @@
 using Luban.Types;
 using Luban.TypeVisitors;
+using Luban.Utils;
 
 namespace Luban.Java.TypeVisitors;
 
@@ -44,8 +45,8 @@ public virtual string Accept(TDouble type)
 
     public virtual string Accept(TEnum type)
     {
-        //return type.DefineEnum.FullNameWithTopModule;
-        return type.IsNullable ? "Integer" : "int";
+        string src = type.IsNullable ? "Integer" : "int";
+        return type.DefEnum.TypeNameWithTypeMapper() ?? src;
     }
 
     public string Accept(TString type)
@@ -60,7 +61,7 @@ public virtual string Accept(TDateTime type)
 
     public string Accept(TBean type)
     {
-        return type.DefBean.FullNameWithTopModule;
+        return type.DefBean.TypeNameWithTypeMapper() ?? type.DefBean.FullNameWithTopModule;
     }
 
     public string Accept(TArray type)