diff --git a/src/Luban.Job.Common/Source/TypeVisitors/CsUnderingSerializeVisitor.cs b/src/Luban.Job.Common/Source/TypeVisitors/CsUnderingSerializeVisitor.cs
index 2c42014..540e11b 100644
--- a/src/Luban.Job.Common/Source/TypeVisitors/CsUnderingSerializeVisitor.cs
+++ b/src/Luban.Job.Common/Source/TypeVisitors/CsUnderingSerializeVisitor.cs
@@ -99,7 +99,7 @@ namespace Luban.Job.Common.TypeVisitors
 
         public string Accept(TMap type, string bufName, string fieldName)
         {
-            return $"{{ {bufName}.WriteSize({fieldName}.Count); foreach((var _k, var _v) in {fieldName}) {{ {type.KeyType.Apply(this, bufName, "_k")} {type.ValueType.Apply(this, bufName, "_v")} }} }}";
+            return $"{{ {bufName}.WriteSize({fieldName}.Count); foreach(var _e in {fieldName}) {{ {type.KeyType.Apply(this, bufName, "_e.Key")} {type.ValueType.Apply(this, bufName, "_e.Value")} }} }}";
         }
 
 
diff --git a/src/Luban.Job.Proto/Source/Generate/CsRender.cs b/src/Luban.Job.Proto/Source/Generate/CsRender.cs
index 4f4d0d1..c430125 100644
--- a/src/Luban.Job.Proto/Source/Generate/CsRender.cs
+++ b/src/Luban.Job.Proto/Source/Generate/CsRender.cs
@@ -8,49 +8,7 @@ using System.Collections.Generic;
 namespace Luban.Job.Proto.Generate
 {
     [Render("cs")]
-    class CsRender : RenderBase
+    class CsRender : TemplateRenderBase
     {
-        protected override string Render(DefEnum e)
-        {
-            return RenderUtil.RenderCsEnumClass(e);
-        }
-
-        protected override string Render(DefBean b)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/cs/bean");
-            var result = template.RenderCode(b);
-
-            return result;
-        }
-
-        protected override string Render(DefProto p)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/cs/proto");
-            var result = template.RenderCode(p);
-
-            return result;
-        }
-
-        protected override string Render(DefRpc r)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/cs/rpc");
-            var result = template.RenderCode(r);
-
-            return result;
-        }
-
-        public override string RenderStubs(string name, string module, List<DefProto> protos, List<DefRpc> rpcs)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/cs/stub");
-            var result = template.Render(new
-            {
-                Name = name,
-                Namespace = module,
-                Protos = protos,
-                Rpcs = rpcs,
-            });
-
-            return result;
-        }
     }
 }
diff --git a/src/Luban.Job.Proto/Source/Generate/TemplateRenderBase.cs b/src/Luban.Job.Proto/Source/Generate/TemplateRenderBase.cs
new file mode 100644
index 0000000..3a8e354
--- /dev/null
+++ b/src/Luban.Job.Proto/Source/Generate/TemplateRenderBase.cs
@@ -0,0 +1,60 @@
+using Luban.Job.Common.Defs;
+using Luban.Job.Common.Generate;
+using Luban.Job.Common.Utils;
+using Luban.Job.Proto.Defs;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Luban.Job.Proto.Generate
+{
+    abstract class TemplateRenderBase : RenderBase
+    {
+        protected string RenderTemplateDir => (this.GetType().GetCustomAttributes(typeof(RenderAttribute), false)[0] as RenderAttribute).Name;
+
+        protected override string Render(DefEnum e)
+        {
+            return RenderUtil.RenderCsEnumClass(e);
+        }
+
+        protected override string Render(DefBean b)
+        {
+            var template = StringTemplateUtil.GetTemplate($"proto/{RenderTemplateDir}/bean");
+            var result = template.RenderCode(b);
+
+            return result;
+        }
+
+        protected override string Render(DefProto p)
+        {
+            var template = StringTemplateUtil.GetTemplate($"proto/{RenderTemplateDir}/proto");
+            var result = template.RenderCode(p);
+
+            return result;
+        }
+
+        protected override string Render(DefRpc r)
+        {
+            var template = StringTemplateUtil.GetTemplate($"proto/{RenderTemplateDir}/rpc");
+            var result = template.RenderCode(r);
+
+            return result;
+        }
+
+        public override string RenderStubs(string name, string module, List<DefProto> protos, List<DefRpc> rpcs)
+        {
+            var template = StringTemplateUtil.GetTemplate($"proto/{RenderTemplateDir}/stub");
+            var result = template.Render(new
+            {
+                Name = name,
+                Namespace = module,
+                Protos = protos,
+                Rpcs = rpcs,
+            });
+
+            return result;
+        }
+    }
+}
diff --git a/src/Luban.Job.Proto/Source/Generate/TypescriptRender.cs b/src/Luban.Job.Proto/Source/Generate/TypescriptRender.cs
index 8362c84..954ac13 100644
--- a/src/Luban.Job.Proto/Source/Generate/TypescriptRender.cs
+++ b/src/Luban.Job.Proto/Source/Generate/TypescriptRender.cs
@@ -12,7 +12,7 @@ using System.Threading.Tasks;
 namespace Luban.Job.Proto.Generate
 {
     [Render("typescript")]
-    class TypescriptRender : RenderBase
+    class TypescriptRender : TemplateRenderBase
     {
         public override void Render(GenContext ctx)
         {
@@ -64,48 +64,5 @@ namespace Luban.Job.Proto.Generate
                 ctx.GenCodeFilesInOutputCodeDir.Add(new FileInfo() { FilePath = file, MD5 = md5 });
             }));
         }
-
-        protected override string Render(DefEnum e)
-        {
-            return RenderUtil.RenderTypescriptEnumClass(e);
-        }
-
-        protected override string Render(DefBean b)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/typescript/bean");
-            var result = template.RenderCode(b);
-
-            return result;
-        }
-
-        protected override string Render(DefProto p)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/typescript/proto");
-            var result = template.RenderCode(p);
-
-            return result;
-        }
-
-        protected override string Render(DefRpc r)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/typescript/rpc");
-            var result = template.RenderCode(r);
-
-            return result;
-        }
-
-        public override string RenderStubs(string name, string module, List<DefProto> protos, List<DefRpc> rpcs)
-        {
-            var template = StringTemplateUtil.GetTemplate("proto/typescript/stub");
-            var result = template.Render(new
-            {
-                Name = name,
-                Namespace = module,
-                Protos = protos,
-                Rpcs = rpcs,
-            });
-
-            return result;
-        }
     }
 }