diff --git a/.vscode/launch.json b/.vscode/launch.json
index 7ecbabc..dd14571 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -28,7 +28,8 @@
             "cwd": "${workspaceFolder}",
             "buildFlags": "-tags local",
             "env": {
-                "STORY_FILENAME": "./internal/tests/story.json"
+                "STORY_FILENAME": "./internal/tests/story.json",
+                "DB_FILENAME": "./internal/tests/store.db"
             }
         }
     ]
diff --git a/Makefile b/Makefile
index fbb7d9f..4d0cbda 100644
--- a/Makefile
+++ b/Makefile
@@ -19,5 +19,8 @@ text_to_story:
 	rm -f ./cmd/text_to_story/story.json
 	go run ./cmd/text_to_story/main.go
 
+clear:
+	rm ./internal/tests/store.db
+
 test:
 	go test ./...
diff --git a/cmd/evening_detective/main.go b/cmd/evening_detective/main.go
index 827fd8e..6ea05bb 100644
--- a/cmd/evening_detective/main.go
+++ b/cmd/evening_detective/main.go
@@ -27,12 +27,13 @@ func main() {
 	// Create a gRPC server object
 	s := grpc.NewServer()
 	// Attach the Greeter service to the server
-	repository, err := services.NewRepository()
+	dbFilepath := config.GetDBFilepath()
+	repository, err := services.NewRepository(dbFilepath)
 	if err != nil {
 		panic(err)
 	}
 
-	storyFilepath := config.GetStoryFilePath()
+	storyFilepath := config.GetStoryFilepath()
 	storyService, err := story_service.NewStoryService(storyFilepath)
 	if err != nil {
 		log.Fatalln(err)
diff --git a/internal/config/config.go b/internal/config/config.go
index c16e730..01c2997 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -2,10 +2,18 @@ package config
 
 import "os"
 
-func GetStoryFilePath() string {
+func GetStoryFilepath() string {
 	storyFilename := os.Getenv("STORY_FILENAME")
 	if storyFilename != "" {
 		return storyFilename
 	}
 	return "./data/story/story.json"
 }
+
+func GetDBFilepath() string {
+	storyFilename := os.Getenv("DB_FILENAME")
+	if storyFilename != "" {
+		return storyFilename
+	}
+	return "data/db/store.db"
+}
diff --git a/internal/services/repository.go b/internal/services/repository.go
index fb52234..8abc42e 100644
--- a/internal/services/repository.go
+++ b/internal/services/repository.go
@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"errors"
 	"evening_detective/internal/models"
+	"log"
 
 	_ "github.com/mattn/go-sqlite3"
 )
@@ -13,11 +14,12 @@ type Repository struct {
 	db *sql.DB
 }
 
-func NewRepository() (*Repository, error) {
-	db, err := sql.Open("sqlite3", "data/db/store.db")
+func NewRepository(filepath string) (*Repository, error) {
+	db, err := sql.Open("sqlite3", filepath)
 	if err != nil {
 		return nil, err
 	}
+	log.Printf("load db from: %s", filepath)
 	_, err = db.Exec("CREATE TABLE IF NOT EXISTS teams (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, password TEXT);")
 	if err != nil {
 		return nil, err
diff --git a/internal/services/services.go b/internal/services/services.go
index e99c08c..2c8df4c 100644
--- a/internal/services/services.go
+++ b/internal/services/services.go
@@ -81,7 +81,7 @@ func (s *Services) AddAction(ctx context.Context, req *proto.AddActionReq) (*pro
 	if err := s.repository.AddApplications(ctx, actions); err != nil {
 		return nil, status.Errorf(codes.Internal, err.Error())
 	}
-	log(team, "add action", actions)
+	addLog(team, "add action", actions)
 	return &proto.AddActionRsp{}, nil
 }
 
@@ -190,7 +190,7 @@ func (s *Services) getTeam(ctx context.Context) (*models.Team, error) {
 	return team, nil
 }
 
-func log(team *models.Team, action string, v any) {
+func addLog(team *models.Team, action string, v any) {
 	vJson, err := json.Marshal(v)
 	if err == nil {
 		fmt.Printf("Team %s: %s %s\n", team.Name, action, string(vJson))