diff --git a/sys/db/core.go b/sys/db/core.go
index 4de087682..9650f815b 100644
--- a/sys/db/core.go
+++ b/sys/db/core.go
@@ -1,5 +1,7 @@
 package db
 
+import "time"
+
 type (
 	ISys interface {
 		//本服数据连接
@@ -8,6 +10,16 @@ type (
 		Cross() *DBConn
 		//跨服列表数据层连接
 		ServerDBConn(stage string) (conn *DBConn)
+		///获取区服列表标签
+		GetServerTags() []string
+		//更新数据过期
+		UpDateModelExpired(key string, childs map[string]struct{}, expired time.Duration)
+	}
+	//过期数据
+	ModelDataExpired struct {
+		key     string              //主key
+		keys    map[string]struct{} //数据集合
+		expired time.Time           //过期时间
 	}
 )
 
@@ -42,3 +54,13 @@ func Cross() *DBConn {
 func ServerDBConn(stage string) (conn *DBConn) {
 	return defsys.ServerDBConn(stage)
 }
+
+///获取区服列表标签
+func GetServerTags() []string {
+	return defsys.GetServerTags()
+}
+
+//更新数据过期
+func UpDateModelExpired(key string, childs map[string]struct{}, expired time.Duration) {
+	defsys.UpDateModelExpired(key, childs, expired)
+}
diff --git a/sys/db/db.go b/sys/db/db.go
index dcf46965c..f0b069061 100644
--- a/sys/db/db.go
+++ b/sys/db/db.go
@@ -2,6 +2,7 @@ package db
 
 import (
 	"go_dreamfactory/lego/sys/log"
+	"sync"
 )
 
 func newSys(options *Options) (sys *DB, err error) {
@@ -15,6 +16,8 @@ type DB struct {
 	local   *DBConn
 	cross   *DBConn
 	servers map[string]*DBConn
+	mu      sync.RWMutex
+	data    map[string]*ModelDataExpired //过期数据
 }
 
 func (this *DB) init() (err error) {
@@ -59,3 +62,10 @@ func (this *DB) ServerDBConn(stage string) (conn *DBConn) {
 	}
 	return
 }
+func (this *DB) GetServerTags() []string {
+	keys := make([]string, 0)
+	for k, _ := range this.servers {
+		keys = append(keys, k)
+	}
+	return keys
+}
diff --git a/sys/db/expired.go b/sys/db/expired.go
new file mode 100644
index 000000000..5f00d3097
--- /dev/null
+++ b/sys/db/expired.go
@@ -0,0 +1,66 @@
+package db
+
+import (
+	"context"
+	"time"
+)
+
+//更新数据模块过期
+func (this *DB) UpDateModelExpired(key string, childs map[string]struct{}, expired time.Duration) {
+	this.mu.RLock()
+	exp, ok := this.data[key]
+	this.mu.RUnlock()
+	if ok {
+		exp.keys = childs
+		exp.expired = time.Now().Add(expired)
+	} else {
+		exp = &ModelDataExpired{
+			key:     key,
+			keys:    childs,
+			expired: time.Now().Add(expired),
+		}
+		this.mu.Lock()
+		this.data[key] = exp
+		this.mu.Unlock()
+	}
+}
+
+//定时清理过期数据
+func (this *DB) run() {
+	timer := time.NewTicker(time.Minute * 1)
+	defer timer.Stop()
+	for {
+		select {
+		case <-timer.C:
+			this.scanning()
+			break
+		}
+	}
+}
+
+//扫描过期
+func (this *DB) scanning() {
+	now := time.Now()
+	this.mu.Lock()
+	temp := make([]*ModelDataExpired, 0, len(this.data))
+	for k, v := range this.data {
+		if v.expired.Before(now) { //过期
+			temp = append(temp, v)
+			delete(this.data, k)
+		}
+	}
+	this.mu.Unlock()
+	ctx := context.Background()
+	pipe := this.local.Redis.Pipeline()
+	for _, v := range temp {
+		pipe.Del(ctx, v.key)
+		if v.keys != nil {
+			for k1, _ := range v.keys {
+				pipe.Del(ctx, k1)
+			}
+		}
+	}
+	if _, err := pipe.Exec(ctx); err != nil {
+		this.options.Log.Errorln(err)
+	}
+}
diff --git a/sys/db/options.go b/sys/db/options.go
index 6e4496cae..bb2aa2758 100644
--- a/sys/db/options.go
+++ b/sys/db/options.go
@@ -1,6 +1,8 @@
 package db
 
 import (
+	"errors"
+	"go_dreamfactory/lego/sys/log"
 	"go_dreamfactory/lego/utils/mapstructure"
 	"time"
 )
@@ -21,6 +23,8 @@ type Options struct {
 	Loacl      DBConfig            //本服配置
 	Cross      DBConfig            //跨服配置
 	ServerList map[string]DBConfig //服务列表配置
+	Debug      bool                //日志是否开启
+	Log        log.ILogger
 }
 
 //设置本服配置
@@ -43,7 +47,17 @@ func SetServerList(v map[string]DBConfig) Option {
 		o.ServerList = v
 	}
 }
+func SetDebug(v bool) Option {
+	return func(o *Options) {
+		o.Debug = v
+	}
+}
 
+func SetLog(v log.ILogger) Option {
+	return func(o *Options) {
+		o.Log = v
+	}
+}
 func newOptions(config map[string]interface{}, opts ...Option) (options *Options, err error) {
 	options = &Options{
 		Loacl:      DBConfig{},
@@ -58,6 +72,9 @@ func newOptions(config map[string]interface{}, opts ...Option) (options *Options
 	for _, o := range opts {
 		o(options)
 	}
+	if options.Log = log.NewTurnlog(options.Debug, log.Clone("sys.db", 2)); options.Log == nil {
+		err = errors.New("log is nil")
+	}
 	return
 }
 
@@ -66,6 +83,9 @@ func newOptionsByOption(opts ...Option) (options *Options, err error) {
 	for _, o := range opts {
 		o(options)
 	}
+	if options.Log = log.NewTurnlog(options.Debug, log.Clone("sys.db", 2)); options.Log == nil {
+		err = errors.New("log is nil")
+	}
 	return
 }