update gateway

model/user.go

@@ -1,10 +1,14 @@
 package model
 
-import "gorm.io/gorm"
+import (
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
 
 type (
 	User struct {
 		gorm.Model
+		ID         uuid.UUID
 		UserName   string   `json:"user_name" gorm:"unique;index"`
 		Password   string   `json:"password,omitempty"`
 		FirstName  string   `json:"first_name"`