diff --git a/model/user-model.go b/model/user-model.go
new file mode 100644
index 0000000..50c8b55
--- /dev/null
+++ b/model/user-model.go
@@ -0,0 +1,27 @@
+package model
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+/*
+通过分库来区别不同版本的产品-现在的demo逻辑
+用户在后台注册,前台扫码登录,组织ID肯定存在(后期如果开放注册-组织ID可以不存在)
+*/
+
+type User struct {
+	ID        uint           `gorm:"primarykey"`
+	UserName  string         `gorm:"column:user_name;type:varchar(30);comment:用户名"`
+	NickName  string         `gorm:"column:nick_name;type:varchar(40);comment:昵称"`
+	OpenID    string         `gorm:"column:openid;type:varchar(100);not null;index;comment:公众号openid" json:"-"`
+	Avatar    string         `gorm:"column:avatar;type:varchar(300);comment:头像地址"`
+	Mobile    string         `gorm:"column:mobile;type:varchar(12);not null;index ;comment:手机号"`
+	Email     string         `gorm:"column:email;type:varchar(30);comment:email"`
+	ProjectID string         `gorm:"column:project_id;type:varchar(40);comment:项目ID"`                  //项目 Id admin项目 Id 为 0
+	Role      string         `gorm:"column:role;type:varchar(15);not null;default:guest;comment:角色类型"` // sys、so、admin
+	CreatedAt time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt gorm.DeletedAt `gorm:"index"`
+}
diff --git a/utils/snowflake.go b/utils/snowflake.go
new file mode 100644
index 0000000..33aaa86
--- /dev/null
+++ b/utils/snowflake.go
@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"errors"
+	"time"
+
+	sf "github.com/bwmarrin/snowflake"
+)
+
+const (
+	_dafaultStartTime = "2023-12-31" // 默认开始时间
+)
+
+var node *sf.Node
+
+// Init 雪花算法组件初始化,正常应该把雪花算法当成一个独立的服务部署
+// startTime 开始时间
+// machineID 机器id
+func Init(startTime string, machineID int64) (err error) {
+	if machineID < 0 {
+		return errors.New("snowflake need machineID")
+	}
+	if len(startTime) == 0 {
+		startTime = _dafaultStartTime
+	}
+	var st time.Time
+	st, err = time.Parse("2006-01-02", startTime)
+	if err != nil {
+		return
+	}
+	sf.Epoch = st.UnixNano() / 1000000 // 时间戳的开始时间，默认从1970年开始计算
+	node, err = sf.NewNode(machineID)  // 机器编号，最多1024
+	return
+}
+
+func GenID() int64 {
+	return node.Generate().Int64()
+}
+
+func GenIDStr() string {
+	return node.Generate().String()
+}