diff --git a/core/adapter/api/JavaApiApp.go b/core/adapter/api/JavaApiApp.go
index c21f5b62db3bc2fcdaf7fa8eea53636466f24674..92ba05a30ff21155ec61dbe16d6c4781ad17ee8f 100644
--- a/core/adapter/api/JavaApiApp.go
+++ b/core/adapter/api/JavaApiApp.go
@@ -1,15 +1,12 @@
 package api
 
 import (
-	parser2 "coca/core/languages/java"
 	"coca/core/models"
 	"coca/core/support"
 	"encoding/json"
 	"fmt"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
-	"os"
 	"path/filepath"
-	"strings"
 )
 
 var parsedDeps []models.JClassNode
@@ -28,14 +25,14 @@ func (j *JavaApiApp) AnalysisPath(codeDir string, depPath string) []RestApi {
 
 	_ = json.Unmarshal(file, &parsedDeps)
 
-	files := (*JavaApiApp)(nil).JavaFiles(codeDir)
+	files := support.GetJavaFiles(codeDir)
 	for index := range files {
 		file := files[index]
 
 		displayName := filepath.Base(file)
 		fmt.Println("Start parse java call: " + displayName)
 
-		parser := (*JavaApiApp)(nil).ProcessFile(file)
+		parser := support.ProcessFile(file)
 		context := parser.CompilationUnit()
 
 		listener := NewJavaApiListener()
@@ -49,21 +46,3 @@ func (j *JavaApiApp) AnalysisPath(codeDir string, depPath string) []RestApi {
 	return allApis
 }
 
-func (j *JavaApiApp) JavaFiles(codeDir string) []string {
-	files := make([]string, 0)
-	_ = filepath.Walk(codeDir, func(path string, fi os.FileInfo, err error) error {
-		if strings.HasSuffix(path, ".java") && !strings.Contains(path, "Test.java") {
-			files = append(files, path)
-		}
-		return nil
-	})
-	return files
-}
-
-func (j *JavaApiApp) ProcessFile(path string) *parser2.JavaParser {
-	is, _ := antlr.NewFileStream(path)
-	lexer := parser2.NewJavaLexer(is)
-	stream := antlr.NewCommonTokenStream(lexer, 0);
-	parser := parser2.NewJavaParser(stream)
-	return parser
-}
diff --git a/core/adapter/call/JavaCallApp.go b/core/adapter/call/JavaCallApp.go
index 2a7560eaebac6745cb4644f2cd8a90cbf395d2f5..bfdc9dd82b451138a546e59622c874e6f6abfa70 100644
--- a/core/adapter/call/JavaCallApp.go
+++ b/core/adapter/call/JavaCallApp.go
@@ -1,13 +1,11 @@
 package call
 
 import (
-	parser2 "coca/core/languages/java"
 	"coca/core/models"
+	"coca/core/support"
 	"fmt"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
-	"os"
 	"path/filepath"
-	"strings"
 )
 
 var nodeInfos []models.JClassNode
@@ -17,7 +15,7 @@ type JavaCallApp struct {
 
 func (j *JavaCallApp) AnalysisPath(codeDir string, classes []string, identNodes []models.JsonIdentifier) []models.JClassNode {
 	nodeInfos = nil
-	files := (*JavaCallApp)(nil).javaFiles(codeDir)
+	files := support.GetJavaFiles(codeDir)
 	for index := range files {
 		nodeInfo := models.NewClassNode()
 		file := files[index]
@@ -25,7 +23,7 @@ func (j *JavaCallApp) AnalysisPath(codeDir string, classes []string, identNodes
 		displayName := filepath.Base(file)
 		fmt.Println("Start parse java call: " + displayName)
 
-		parser := (*JavaCallApp)(nil).processFile(file)
+		parser := support.ProcessFile(file)
 		context := parser.CompilationUnit()
 
 		listener := NewJavaCallListener(identNodes)
@@ -40,22 +38,3 @@ func (j *JavaCallApp) AnalysisPath(codeDir string, classes []string, identNodes
 
 	return nodeInfos
 }
-
-func (j *JavaCallApp) javaFiles(codeDir string) []string {
-	files := make([]string, 0)
-	_ = filepath.Walk(codeDir, func(path string, fi os.FileInfo, err error) error {
-		if strings.HasSuffix(path, ".java") && !strings.Contains(path, "Test.java") && !strings.Contains(path, "Tests.java") {
-			files = append(files, path)
-		}
-		return nil
-	})
-	return files
-}
-
-func (j *JavaCallApp) processFile(path string) *parser2.JavaParser {
-	is, _ := antlr.NewFileStream(path)
-	lexer := parser2.NewJavaLexer(is)
-	stream := antlr.NewCommonTokenStream(lexer, 0)
-	parser := parser2.NewJavaParser(stream)
-	return parser
-}
diff --git a/core/adapter/identifier/JavaIdentifierApp.go b/core/adapter/identifier/JavaIdentifierApp.go
index 1f5a432d41d8663ad37b79ef04b1e32560e92c50..29c028d62059412880eb40c6bf75114cce1f2bde 100644
--- a/core/adapter/identifier/JavaIdentifierApp.go
+++ b/core/adapter/identifier/JavaIdentifierApp.go
@@ -3,10 +3,8 @@ package identifier
 import (
 	parser2 "coca/core/languages/java"
 	"coca/core/models"
+	"coca/core/support"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
-	"os"
-	"path/filepath"
-	"strings"
 )
 
 var nodeInfos []models.JsonIdentifier = nil
@@ -16,12 +14,12 @@ type JavaIdentifierApp struct {
 
 func (j *JavaIdentifierApp) AnalysisPath(codeDir string) []models.JsonIdentifier {
 	nodeInfos = nil
-	files := (*JavaIdentifierApp)(nil).javaFiles(codeDir)
+	files := support.GetJavaFiles(codeDir)
 	for index := range files {
 		file := files[index]
 		node := models.NewJsonIdentifier()
 
-		parser := (*JavaIdentifierApp)(nil).processFile(file)
+		parser := support.ProcessFile(file)
 		context := parser.CompilationUnit()
 
 		clzInfo := models.NewJIdentifier()
@@ -38,22 +36,3 @@ func (j *JavaIdentifierApp) AnalysisPath(codeDir string) []models.JsonIdentifier
 
 	return nodeInfos
 }
-
-func (j *JavaIdentifierApp) javaFiles(codeDir string) []string {
-	files := make([]string, 0)
-	_ = filepath.Walk(codeDir, func(path string, fi os.FileInfo, err error) error {
-		if strings.HasSuffix(path, ".java") && !strings.Contains(path, "Test.java") {
-			files = append(files, path)
-		}
-		return nil
-	})
-	return files
-}
-
-func (j *JavaIdentifierApp) processFile(path string) *parser2.JavaParser {
-	is, _ := antlr.NewFileStream(path)
-	lexer := parser2.NewJavaLexer(is)
-	stream := antlr.NewCommonTokenStream(lexer, 0);
-	parser := parser2.NewJavaParser(stream)
-	return parser
-}
diff --git a/core/domain/refactor/move_class/move_class_app.go b/core/domain/refactor/move_class/move_class_app.go
index 94f2515560aeb1a6945e2e85ceba90d674ecb3c0..a6584c1db57e9110f26f5e78fc1ec376b5614a11 100644
--- a/core/domain/refactor/move_class/move_class_app.go
+++ b/core/domain/refactor/move_class/move_class_app.go
@@ -4,7 +4,6 @@ import (
 	"bufio"
 	base2 "coca/core/domain/refactor/base"
 	models2 "coca/core/domain/refactor/base/models"
-	utils3 "coca/core/domain/refactor/utils"
 	utils2 "coca/core/support"
 	"fmt"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
@@ -35,7 +34,7 @@ func NewMoveClassApp(config string, pPath string) *MoveClassApp {
 
 func (j *MoveClassApp) Analysis() {
 	// TODO: 使用 Deps.json 来移动包
-	files := utils3.GetJavaFiles(configPath)
+	files := utils2.GetJavaFiles(configPath)
 	fmt.Println(files)
 	for index := range files {
 		file := files[index]
@@ -43,7 +42,7 @@ func (j *MoveClassApp) Analysis() {
 		currentFile, _ = filepath.Abs(file)
 		//displayName := filepath.Base(file)
 
-		parser := utils3.ProcessFile(file)
+		parser := utils2.ProcessFile(file)
 		context := parser.CompilationUnit()
 
 		node := models2.NewJFullIdentifier()
diff --git a/core/domain/refactor/unused/remove_unused_import.go b/core/domain/refactor/unused/remove_unused_import.go
index b049e84fc0488fca1f5625e4c0d2194d981fe18a..1f2273a93040f5a2e1f1a17e96acdf9f10505214 100644
--- a/core/domain/refactor/unused/remove_unused_import.go
+++ b/core/domain/refactor/unused/remove_unused_import.go
@@ -3,7 +3,7 @@ package unused
 import (
 	base2 "coca/core/domain/refactor/base"
 	models2 "coca/core/domain/refactor/base/models"
-	utils2 "coca/core/domain/refactor/utils"
+	"coca/core/support"
 	"fmt"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	"io/ioutil"
@@ -30,7 +30,7 @@ func NewRemoveUnusedImportApp(config string, pPath string) *RemoveUnusedImportAp
 }
 
 func (j *RemoveUnusedImportApp) Analysis() {
-	files := utils2.GetJavaFiles(configPath)
+	files := support.GetJavaFiles(configPath)
 	for index := range files {
 		file := files[index]
 
@@ -38,7 +38,7 @@ func (j *RemoveUnusedImportApp) Analysis() {
 		displayName := filepath.Base(file)
 		fmt.Println("Start parse java call: " + displayName)
 
-		parser := utils2.ProcessFile(file)
+		parser := support.ProcessFile(file)
 		context := parser.CompilationUnit()
 
 		node := models2.NewJFullIdentifier()
diff --git a/core/domain/refactor/utils/file_analysis_helper.go b/core/support/file_analysis_helper.go
similarity index 97%
rename from core/domain/refactor/utils/file_analysis_helper.go
rename to core/support/file_analysis_helper.go
index 3ebddf0c70500f0280a1c49948dcc6b60ca7d07b..05a56fee21b49c1826c8410b86e296752a917f8a 100644
--- a/core/domain/refactor/utils/file_analysis_helper.go
+++ b/core/support/file_analysis_helper.go
@@ -1,4 +1,4 @@
-package utils
+package support
 
 import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
@@ -13,7 +13,6 @@ func GetJavaFiles(codeDir string) []string {
 	files := make([]string, 0)
 	_ = filepath.Walk(codeDir, func(path string, fi os.FileInfo, err error) error {
 		if strings.HasSuffix(path, ".java") && !strings.Contains(path, "Test.java")&& !strings.Contains(path, "Tests.java"){
-
 			files = append(files, path)
 		}
 		return nil