diff --git a/data/data.go b/data/data.go
index 0ad59c2..4744ac5 100644
--- a/data/data.go
+++ b/data/data.go
@@ -1 +1,28 @@
 package data
+
+import (
+	"fmt"
+
+	"github.com/gookit/goutil/jsonutil"
+)
+
+var (
+	Users = make(map[string]User)
+)
+
+type User struct {
+	Email string // map key
+	// Profile     Profile
+}
+
+var users_file = "data/users.json"
+
+func SaveUsers() {
+	jsonutil.WritePretty(users_file, Users)
+}
+func LoadUsers() {
+	err := jsonutil.ReadFile(users_file, &Users)
+	if err != nil {
+		fmt.Println(err)
+	}
+}
diff --git a/server.go b/server.go
index b71c577..a701c33 100644
--- a/server.go
+++ b/server.go
@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 
+	"dofdev/data"
 	"dofdev/src/router"
 	"dofdev/tem"
 )
@@ -12,6 +13,9 @@ import (
 func init() {
 	fmt.Println("init()")
 	tem.Load()
+
+	data.LoadUsers()
+	fmt.Println(len(data.Users), "users")
 }
 
 func main() {