diff --git a/tars/tools/tars2go/ast/ast.go b/tars/tools/tars2go/ast/ast.go
index 62023820..3d4be4a1 100644
--- a/tars/tools/tars2go/ast/ast.go
+++ b/tars/tools/tars2go/ast/ast.go
@@ -132,10 +132,6 @@ func (m *Module) Rename(moduleUpper bool) {
 	}
 }
 
-func (tf *TarsFile) Rename(moduleUpper bool) {
-	tf.Module.Rename(moduleUpper)
-}
-
 // FindTNameType Looking for the true type of user-defined identifier
 func (tf *TarsFile) FindTNameType(tName string) (token.Type, string, string) {
 	for _, v := range tf.Module.Struct {
diff --git a/tars/tools/tars2go/gencode/gen_go.go b/tars/tools/tars2go/gencode/gen_go.go
index 507aafbd..fef73eb7 100755
--- a/tars/tools/tars2go/gencode/gen_go.go
+++ b/tars/tools/tars2go/gencode/gen_go.go
@@ -31,6 +31,7 @@ type GenGo struct {
 	filepath string
 	prefix   string
 	tarsFile *ast.TarsFile
+	module   *ast.Module
 
 	// proto file name(not include .tars)
 	ProtoName string
@@ -96,8 +97,9 @@ func (g *GenGo) W(v ...string) {
 }
 
 func (g *GenGo) genAll() {
-	g.tarsFile.Rename(g.opt.ModuleUpper)
-	key := g.tarsFile.Source + ":" + g.tarsFile.Module.Name
+	g.module = &g.tarsFile.Module
+	g.module.Rename(g.opt.ModuleUpper)
+	key := g.tarsFile.Source + ":" + g.module.Name
 	if _, ok := fileMap.Load(key); ok {
 		// already compiled
 		return
@@ -110,20 +112,20 @@ func (g *GenGo) genAll() {
 	g.genHead()
 	g.genPackage()
 
-	for _, v := range g.tarsFile.Module.Enum {
+	for _, v := range g.module.Enum {
 		g.genEnum(&v)
 	}
 
-	g.genConst(g.tarsFile.Module.Const)
+	g.genConst(g.module.Const)
 
-	for _, v := range g.tarsFile.Module.Struct {
+	for _, v := range g.module.Struct {
 		g.genStruct(&v)
 	}
-	if len(g.tarsFile.Module.Enum) > 0 || len(g.tarsFile.Module.Const) > 0 || len(g.tarsFile.Module.Struct) > 0 {
+	if len(g.module.Enum) > 0 || len(g.module.Const) > 0 || len(g.module.Struct) > 0 {
 		g.saveToSourceFile(utils.Path2ProtoName(g.filepath) + ".go")
 	}
 
-	for _, v := range g.tarsFile.Module.Interface {
+	for _, v := range g.module.Interface {
 		g.genInterface(&v)
 	}
 }
@@ -156,9 +158,9 @@ func (g *GenGo) saveToSourceFile(filename string) {
 	} else {
 		var mkPath string
 		if g.opt.ModuleCycle {
-			mkPath = prefix + g.ProtoName + "/" + g.tarsFile.Module.Name
+			mkPath = prefix + g.ProtoName + "/" + g.module.Name
 		} else {
-			mkPath = prefix + g.tarsFile.Module.Name
+			mkPath = prefix + g.module.Name
 		}
 		err = os.MkdirAll(mkPath, 0766)
 		if err != nil {
@@ -182,11 +184,11 @@ func (g *GenGo) genVariableName(prefix, name string) string {
 func (g *GenGo) genHead() {
 	g.P("// Code generated by tars2go ", version.VERSION, ", DO NOT EDIT.")
 	g.P("// This file was generated from ", g.tarsFile.Source)
-	g.P("// Package ", g.tarsFile.Module.Name, " comment")
+	g.P("// Package ", g.module.Name, " comment")
 }
 
 func (g *GenGo) genPackage() {
-	g.P("package ", g.tarsFile.Module.Name)
+	g.P("package ", g.module.Name)
 	g.P()
 	g.P("import (")
 	g.P(strconv.Quote("fmt"))
@@ -195,7 +197,7 @@ func (g *GenGo) genPackage() {
 
 	g.P()
 	mImports := make(map[string]bool)
-	for _, st := range g.tarsFile.Module.Struct {
+	for _, st := range g.module.Struct {
 		if g.opt.ModuleCycle {
 			for k, v := range st.DependModuleWithJce {
 				g.genStructImport(k, v, mImports)
@@ -262,7 +264,7 @@ func (g *GenGo) genStructImport(module string, protoName string, mImports map[st
 }
 
 func (g *GenGo) genIFPackage(itf *ast.Interface) {
-	g.P("package " + g.tarsFile.Module.Name)
+	g.P("package " + g.module.Name)
 	g.P()
 
 	g.P("import (")
@@ -944,18 +946,18 @@ func (g *GenGo) genConst(cst []ast.Const) {
 
 	g.P("//const as define in tars file")
 	g.P("const (")
-	for _, v := range g.tarsFile.Module.Const {
+	for _, v := range g.module.Const {
 		v.Rename()
 		g.P(v.Name, " ", g.genType(v.Type), " = ", v.Value)
 	}
 	g.P(")")
 }
 
-func (g *GenGo) genInclude(modules []*ast.TarsFile) {
-	for _, module := range modules {
-		genModule := NewGenGo(g.opt, module.Module.Name+module.Source)
-		genModule.tarsFile = module
-		genModule.genAll()
+func (g *GenGo) genInclude(tarsFiles []*ast.TarsFile) {
+	for _, tarsFile := range tarsFiles {
+		gen := NewGenGo(g.opt, tarsFile.Source)
+		gen.tarsFile = tarsFile
+		gen.genAll()
 	}
 }
 
diff --git a/tars/tools/tars2go/version/version.go b/tars/tools/tars2go/version/version.go
index e2662530..4c099b95 100644
--- a/tars/tools/tars2go/version/version.go
+++ b/tars/tools/tars2go/version/version.go
@@ -1,4 +1,4 @@
 package version
 
 // VERSION of the tars2go tools.
-const VERSION = "1.2.3"
+const VERSION = "1.2.4"