diff --git a/src/Luban.Job.Common/Source/TypeVisitors/RustTypeNameVisitor.cs b/src/Luban.Job.Common/Source/TypeVisitors/RustTypeNameVisitor.cs
index 548bc17..b560c73 100644
--- a/src/Luban.Job.Common/Source/TypeVisitors/RustTypeNameVisitor.cs
+++ b/src/Luban.Job.Common/Source/TypeVisitors/RustTypeNameVisitor.cs
@@ -10,25 +10,11 @@ namespace Luban.Job.Common.TypeVisitors
         {
             if (type.IsNullable)
             {
-                if (type.IsBean)
-                {
-                    return $"std::option::Option<std::rc::Rc<{type.Apply(RustTypeUnderlyingNameVisitor.Ins)}>>";
-                }
-                else
-                {
-                    return $"std::option::Option<{type.Apply(RustTypeUnderlyingNameVisitor.Ins)}>";
-                }
+                return $"std::option::Option<{type.Apply(RustTypeUnderlyingNameVisitor.Ins)}>";
             }
             else
             {
-                if (type.IsBean)
-                {
-                    return $"std::rc::Rc<{type.Apply(RustTypeUnderlyingNameVisitor.Ins)}>";
-                }
-                else
-                {
-                    return type.Apply(RustTypeUnderlyingNameVisitor.Ins);
-                }
+                return type.Apply(RustTypeUnderlyingNameVisitor.Ins);
             }
         }
     }
diff --git a/src/Luban.Server/Templates/config/rust_json/bean.tpl b/src/Luban.Server/Templates/config/rust_json/bean.tpl
index 96ea41f..7a75cd1 100644
--- a/src/Luban.Server/Templates/config/rust_json/bean.tpl
+++ b/src/Luban.Server/Templates/config/rust_json/bean.tpl
@@ -11,6 +11,7 @@
  * {{x.comment}}
  */
 {{~end~}}
+{{~if !x.is_abstract_type~}}
 #[allow(non_camel_case_types)]
 pub struct {{name}} {
 {{~for field in hierarchy_export_fields~}}
@@ -20,12 +21,36 @@ pub {{field.rust_style_name}}: {{rust_define_type field.ctype}},
 
 impl {{name}} {
     #[allow(dead_code)]
-    pub fn new(__js: &json::JsonValue) -> Result<std::rc::Rc<{{name}}>, LoadError> {
+    pub fn new(__js: &json::JsonValue) -> Result<{{name}}, LoadError> {
         let __b = {{name}} {
 {{~for field in hierarchy_export_fields~}}
             {{field.rust_style_name}}: {{rust_json_constructor ('__js["' + field.name + '"]') field.ctype}},
 {{~end~}}
         };
-        Ok(std::rc::Rc::new(__b))
+        Ok(__b)
     }
 }
+{{~else~}}
+#[allow(non_camel_case_types)]
+pub enum {{name}} {
+{{~for child in x.hierarchy_not_abstract_children~}}
+  {{child.name}}(Box<{{child.rust_full_name}}>),
+{{~end~}}
+}
+
+impl {{name}} {
+    #[allow(dead_code)]
+    pub fn new(__js: &json::JsonValue) -> Result<{{name}}, LoadError> {
+        let __b = match __js["__type__"].as_str() {
+            Some(type_name) => match type_name {
+{{~for child in x.hierarchy_not_abstract_children~}}
+                "{{child.name}}" => {{name}}::{{child.name}}(Box::new({{child.rust_full_name + '::new(&__js)?'}})),
+{{~end~}}
+                _ => return Err(LoadError{})
+                },
+            None => return Err(LoadError{})
+        };
+        Ok(__b)
+    }
+}
+{{~end~}}
diff --git a/src/Luban.Server/Templates/config/rust_json/table.tpl b/src/Luban.Server/Templates/config/rust_json/table.tpl
index 7f19be1..6efb5c9 100644
--- a/src/Luban.Server/Templates/config/rust_json/table.tpl
+++ b/src/Luban.Server/Templates/config/rust_json/table.tpl
@@ -11,15 +11,15 @@
 #[allow(non_camel_case_types)]
 pub struct {{name}} {
     {{~if x.is_map_table ~}}
-    data_list: Vec<{{rust_define_type value_type}}>,
-    data_map: std::collections::HashMap<{{rust_define_type key_type}}, {{rust_define_type value_type}}>,
+    data_list: Vec<std::rc::Rc<{{rust_define_type value_type}}>>,
+    data_map: std::collections::HashMap<{{rust_define_type key_type}}, std::rc::Rc<{{rust_define_type value_type}}>>,
     {{~else~}}
-    data: {{rust_define_type value_type}},
+    data: {{rust_class_name value_type}},
     {{~end~}}
 }
 
 impl {{name}}{
-    pub fn new(__js: &json::JsonValue) -> Result<std::rc::Rc<{{name}}>, LoadError> {
+    pub fn new(__js: &json::JsonValue) -> Result<{{name}}, LoadError> {
     {{~if x.is_map_table ~}}
         if !__js.is_array() {
             return Err(LoadError{});
@@ -30,22 +30,30 @@ impl {{name}}{
         };
         
         for __e in __js.members() {
-            let __v = match {{rust_class_name value_type}}::new(__e) {
+            let __v = std::rc::Rc::new(match {{rust_class_name value_type}}::new(__e) {
                 Ok(x) => x,
                 Err(err) => return Err(err),
-            };
+            });
             let __v2 = std::rc::Rc::clone(&__v);
             t.data_list.push(__v);
+{{~if !value_type.bean.is_abstract_type~}}
             t.data_map.insert(__v2.{{x.index_field.rust_style_name}}.clone(), __v2);
+{{~else~}}
+            match &*__v2 {
+    {{~for child in value_type.bean.hierarchy_not_abstract_children~}}
+                {{rust_class_name value_type}}::{{child.name}}(__w__) => t.data_map.insert(__w__.{{x.index_field.rust_style_name}}.clone(), __v2),
+    {{~end~}}
+            };
+{{~end~}}
         }
-        Ok(std::rc::Rc::new(t))
+        Ok(t)
     }
     #[allow(dead_code)]
-    pub fn get_data_map(self:&{{name}}) -> &std::collections::HashMap<{{rust_define_type key_type}}, {{rust_define_type value_type}}> { &self.data_map }
+    pub fn get_data_map(self:&{{name}}) -> &std::collections::HashMap<{{rust_define_type key_type}}, std::rc::Rc<{{rust_define_type value_type}}>> { &self.data_map }
     #[allow(dead_code)]
-    pub fn get_data_list(self:&{{name}}) -> &Vec<{{rust_define_type value_type}}> { &self.data_list }
+    pub fn get_data_list(self:&{{name}}) -> &Vec<std::rc::Rc<{{rust_define_type value_type}}>> { &self.data_list }
     #[allow(dead_code)]
-    pub fn get(self:&{{name}}, key: {{rust_define_type key_type}}) -> std::option::Option<&{{rust_define_type value_type}}> { self.data_map.get(&key) }
+    pub fn get(self:&{{name}}, key: {{rust_define_type key_type}}) -> std::option::Option<&std::rc::Rc<{{rust_define_type value_type}}>> { self.data_map.get(&key) }
     {{~else~}}
         if !__js.is_array() || __js.len() != 1 {
             return Err(LoadError{});
@@ -57,7 +65,7 @@ impl {{name}}{
         let t = {{name}} {
             data: __v,
         };
-        Ok(std::rc::Rc::new(t))
+        Ok(t)
     }
     #[allow(dead_code)]
     pub fn get_data(self:&{{name}}) -> &{{rust_define_type value_type}} { &self.data }
diff --git a/src/Luban.Server/Templates/config/rust_json/tables.tpl b/src/Luban.Server/Templates/config/rust_json/tables.tpl
index aac8dc5..530d08c 100644
--- a/src/Luban.Server/Templates/config/rust_json/tables.tpl
+++ b/src/Luban.Server/Templates/config/rust_json/tables.tpl
@@ -15,18 +15,18 @@ pub struct {{name}} {
      * {{table.comment}}
      */
 {{~end~}}
-    pub {{string.downcase table.name}}: std::rc::Rc<{{table.rust_full_name}}>,
+    pub {{string.downcase table.name}}: {{table.rust_full_name}},
     {{~end~}}
 }
 
 impl {{name}} {
     #[allow(dead_code)]
-    pub fn new(loader: JsonLoader) -> std::result::Result<std::rc::Rc<Tables>, LoadError> {
+    pub fn new(loader: JsonLoader) -> std::result::Result<Tables, LoadError> {
         let tables = Tables {
         {{~for table in tables ~}}
             {{string.downcase table.name}}: {{table.rust_full_name}}::new(&loader("{{table.output_data_file}}")?)?,
         {{~end~}}
         };
-        return Ok(std::rc::Rc::new(tables));
+        return Ok(tables);
     }
 }