diff --git a/api_join.go b/api_join.go
index e6882f1..728b960 100644
--- a/api_join.go
+++ b/api_join.go
@@ -13,8 +13,6 @@ func Follow(event *linebot.Event) {
 	}
 	Hit("加入", uid)
 
-	reply := event.ReplyToken
-
 	row := DB.Exec("select id from users where id = ?", uid).RowsAffected
 	if row == 0 {
 		// 新用戶
@@ -23,31 +21,18 @@ func Follow(event *linebot.Event) {
 			return
 		}
 
-		// 舊用戶
 		log.Debug().Str("user", uid).Msg("New user.")
 		msg := linebot.NewTextMessage("你好!")
-		if reply != "" {
-			if _, err := bot.ReplyMessage(reply, msg).Do(); err != nil {
-				log.Error().Err(err).Caller().Msg("reply error")
-			}
-		} else {
-			if _, err := bot.PushMessage(uid, msg).Do(); err != nil {
-				log.Error().Err(err).Caller().Msg("push error")
-			}
+		if _, err := SendMessage(event.ReplyToken, uid, msg); err != nil {
+			panic(err)
 		}
 
 	} else {
 		// 舊用戶
 		log.Debug().Str("user", uid).Msg("user unblocked.")
 		msg := linebot.NewTextMessage("歡迎回來!")
-		if reply != "" {
-			if _, err := bot.ReplyMessage(reply, msg).Do(); err != nil {
-				log.Error().Err(err).Caller().Msg("reply error")
-			}
-		} else {
-			if _, err := bot.PushMessage(uid, msg).Do(); err != nil {
-				log.Error().Err(err).Caller().Msg("push error")
-			}
+		if _, err := SendMessage(event.ReplyToken, uid, msg); err != nil {
+			panic(err)
 		}
 	}
 
diff --git a/setup_line.go b/api_line.go
similarity index 80%
rename from setup_line.go
rename to api_line.go
index fa05972..270d017 100644
--- a/setup_line.go
+++ b/api_line.go
@@ -9,16 +9,6 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
-var bot *linebot.Client
-
-func setupLine() {
-	var err error
-	bot, err = linebot.New(LINE_SECRET, LINE_TOKEN)
-	if err != nil {
-		panic(err)
-	}
-}
-
 func webhook(c *gin.Context) {
 	events, err := bot.ParseRequest(c.Request)
 	if err != nil {
@@ -43,7 +33,15 @@ func webhook(c *gin.Context) {
 }
 
 func controller(event *linebot.Event) {
-	switch event.Source.Ty {
+
+	msg, ok := event.Message.(*linebot.TextMessage)
+	if !ok {
+		log.Error().Msg("controller not impemented")
+		return
+	}
+	Hit(msg.Text, event.Source.UserID)
+
+	switch msg.Text {
 	case "":
 
 	default:
diff --git a/api_user.go b/api_user.go
new file mode 100644
index 0000000..996077b
--- /dev/null
+++ b/api_user.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+func ApiUpdateEmail(c *gin.Context) {
+	data := struct {
+		ID    string `json:"id"`
+		Email string `json:"email"`
+	}{}
+	if err := c.ShouldBindJSON(&data); err != nil {
+		panic(err)
+	}
+	usr := &User{}
+	if err := DB.First(usr, "id = ?", data.ID).Error; err != nil {
+		// create user fallback
+		log.Error().Err(err).Msg("No User")
+	}
+	DB.Model(&User{}).Where("id = ?", data.ID).Update("email", data.Email)
+	OK(c, "ok")
+}
+
+func ApiPostReceipt(c *gin.Context) {
+	oid := c.Param("oid")
+	if oid == "" {
+		panic(ErrorBadRequest)
+	}
+
+	// order exists
+	order := &Order{}
+	if err := DB.First(order, "id = ?", oid).Error; err != nil {
+		panic(err)
+	}
+
+	// get file
+	f, err := c.FormFile("file")
+	if err != nil {
+		panic(err)
+	}
+	id := uuid.New()
+	ext := filepath.Ext(f.Filename)
+	storedFileName := strings.Replace(id.String(), "-", "", -1) + ext
+	t := time.Now()
+	dir := filepath.Join(
+		strconv.Itoa(t.Year()),
+		strconv.Itoa(int(t.Month())),
+	)
+	dest := filepath.Join(
+		"attachment",
+		dir,
+	)
+	Mkdir(dest)
+
+	// save file
+	dest = filepath.Join(dest, storedFileName)
+	if err = c.SaveUploadedFile(f, dest); err != nil {
+		panic(err)
+	}
+	if err = DB.Model(order).Update("attachment", filepath.Join(dir, storedFileName)).
+		Error; err != nil {
+		panic(err)
+	}
+
+	OK(c, "ok")
+}
diff --git a/deploy.sh b/deploy.sh
index 414a59a..60ddb8f 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -26,7 +26,7 @@ for PLATFORM in $PLATFORMS; do
   scp ${DIST}/${BIN_FILENAME} root@bot.ework.tw:~
   ssh root@bot.ework.tw chmod +x talent
   ssh root@bot.ework.tw screen -X quit
-  ssh root@bot.ework.tw screen -d -m bash -c './talent -dev -db-name talentdev | tee talent.log'
+  ssh root@bot.ework.tw screen -d -m ./talent -dev
 done
 
 if [[ "${FAILURES}" != "" ]]; then
diff --git a/go.mod b/go.mod
index 9964772..6a7b35d 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.17
 require (
 	github.com/fatih/color v1.13.0
 	github.com/gin-gonic/gin v1.7.7
+	github.com/google/uuid v1.3.0
 	github.com/line/line-bot-sdk-go/v7 v7.11.0
 	github.com/rs/xid v1.3.0
 	github.com/rs/zerolog v1.26.1
diff --git a/go.sum b/go.sum
index ef46ff0..9e56b27 100644
--- a/go.sum
+++ b/go.sum
@@ -48,6 +48,8 @@ github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/jackc/chunkreader v1.0.0 h1:4s39bBR8ByfqH+DKm8rQA3E1LHZWB9XWcrz8fqaZbe0=
diff --git a/main.go b/main.go
index 8bfc27f..8730c08 100644
--- a/main.go
+++ b/main.go
@@ -54,6 +54,11 @@ func main() {
 	// setup route
 	server.GET("/", func(c *gin.Context) { OK(c, "ok") })
 
+	// setup api
+	api := server.Group("api")
+	api.POST("/email", ApiUpdateEmail)
+	api.POST("/attach/:oid", ApiPostReceipt)
+
 	// setup bot webhook
 	hook := server.Group("bot")
 	hook.POST("/", webhook)
diff --git a/model.go b/model.go
index 953c98c..882b3ff 100644
--- a/model.go
+++ b/model.go
@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/rs/xid"
+	"github.com/rs/zerolog/log"
 	"gorm.io/gorm"
 )
 
@@ -35,7 +36,7 @@ type Profile struct {
 type Product struct {
 	ID uint `gorm:"primaryKey"`
 
-	Type        string
+	Categories  []Category `gorm:"many2many:product_categories;"`
 	Name        string
 	Brief       string
 	Description string
@@ -44,10 +45,20 @@ type Product struct {
 	UpdatedAt time.Time
 }
 
+type Category struct {
+	Name string `gorm:"primaryKey"`
+}
+
 type Order struct {
+	ID string
+
 	UserID    string `gorm:"primaryKey"`
 	ProductID uint   `gorm:"primaryKey"`
 
+	Start      time.Time
+	End        time.Time
+	Attachment string
+
 	Price float32
 
 	CreatedAt time.Time
@@ -61,7 +72,6 @@ type Node struct {
 	UserID string
 
 	CreatedAt time.Time
-	UpdatedAt time.Time
 }
 
 // BeforeCreate set UID
@@ -72,3 +82,22 @@ func (u *User) BeforeCreate(tx *gorm.DB) (err error) {
 	u.LastLogin = time.Now()
 	return
 }
+
+func (u *User) AfterFind(tx *gorm.DB) (err error) {
+	if u.ProfileID != 0 {
+		profile := &Profile{}
+		if err := tx.First(profile, "id = ?", u.ProfileID).Error; err != nil {
+			log.Error().Err(err).Msg("get profile error")
+		} else {
+			u.Profile = *profile
+		}
+	}
+	return
+}
+
+func (o *Order) BeforeCreate(tx *gorm.DB) (err error) {
+	if o.ID == "" {
+		o.ID = xid.New().String()
+	}
+	return
+}
diff --git a/run.sh b/run.sh
new file mode 100644
index 0000000..f9a200f
--- /dev/null
+++ b/run.sh
@@ -0,0 +1 @@
+go run *.go -dev -db-name talentdev -addr 127.0.0.1:8000
\ No newline at end of file
diff --git a/setup_log.go b/setup.go
similarity index 85%
rename from setup_log.go
rename to setup.go
index 7f54127..91b2fed 100644
--- a/setup_log.go
+++ b/setup.go
@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"github.com/fatih/color"
+	"github.com/line/line-bot-sdk-go/v7/linebot"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 )
@@ -52,10 +53,12 @@ func setupLog() {
 	zerolog.DurationFieldInteger = true
 }
 
-func Hit(name, uid string) {
-	n := &Node{
-		Name:   name,
-		UserID: uid,
+var bot *linebot.Client
+
+func setupLine() {
+	var err error
+	bot, err = linebot.New(LINE_SECRET, LINE_TOKEN)
+	if err != nil {
+		panic(err)
 	}
-	DB.Create(n)
 }
diff --git a/test_data.go b/test_data.go
new file mode 100644
index 0000000..06ab7d0
--- /dev/null
+++ b/test_data.go
@@ -0,0 +1 @@
+package main
diff --git a/util.go b/util.go
new file mode 100644
index 0000000..46aae80
--- /dev/null
+++ b/util.go
@@ -0,0 +1,48 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/line/line-bot-sdk-go/v7/linebot"
+	"github.com/rs/zerolog/log"
+)
+
+func Mkdir(args ...interface{}) error {
+	var path string
+	var mode os.FileMode
+	mode = 0755
+	for _, arg := range args {
+		switch arg := arg.(type) {
+		case string:
+			path = filepath.Join(path, arg)
+		case os.FileMode:
+			mode = arg
+		}
+	}
+	return os.MkdirAll(path, mode)
+}
+
+func Hit(name, uid string) {
+	n := &Node{
+		Name:   name,
+		UserID: uid,
+	}
+	go DB.Create(n)
+}
+
+func SendMessage(replyToken string, to string, messages ...linebot.SendingMessage) (*linebot.BasicResponse, error) {
+	if replyToken != "" {
+		res, err := bot.ReplyMessage(replyToken, messages...).Do()
+		if err != nil {
+			log.Error().Err(err).Caller().Interface("response", res).Msg("reply error")
+		}
+		return res, err
+	} else {
+		res, err := bot.PushMessage(to, messages...).Do()
+		if err != nil {
+			log.Error().Err(err).Caller().Interface("response", res).Msg("push error")
+		}
+		return res, err
+	}
+}