diff --git a/codes.go b/codes.go
new file mode 100644
index 0000000..c6ac18a
--- /dev/null
+++ b/codes.go
@@ -0,0 +1,185 @@
+package tdx
+
+import (
+	"github.com/injoyai/logs"
+	"github.com/injoyai/tdx/protocol"
+	"github.com/robfig/cron/v3"
+	"os"
+	"path/filepath"
+	"time"
+	"xorm.io/xorm"
+)
+
+func NewCodes(c *Client, filename string) (*Codes, error) {
+
+	//如果文件夹不存在就创建
+	dir, _ := filepath.Split(filename)
+	_ = os.MkdirAll(dir, 0777)
+
+	//连接数据库
+	db, err := xorm.NewEngine("sqlite", filename)
+	if err != nil {
+		return nil, err
+	}
+	db.DB().SetMaxOpenConns(1)
+	if err := db.Sync2(new(CodeModel)); err != nil {
+		return nil, err
+	}
+
+	cc := &Codes{
+		Client: c,
+		db:     db,
+		Codes:  nil,
+	}
+
+	//设置定时器,每天早上9点更新数据
+	task := cron.New(cron.WithSeconds())
+	task.AddFunc("0 0 9 * * *", func() {
+		for i := 0; i < 3; i++ {
+			if err := cc.Update(); err == nil {
+				return
+			}
+			logs.Err(err)
+			<-time.After(time.Minute * 5)
+		}
+	})
+	task.Start()
+
+	return cc, cc.Update()
+}
+
+type Codes struct {
+	*Client                       //客户端
+	db      *xorm.Engine          //数据库实例
+	Codes   map[string]*CodeModel //股票缓存
+}
+
+// GetName 获取股票名称
+func (this *Codes) GetName(code string) string {
+	if v, ok := this.Codes[code]; ok {
+		return v.Name
+	}
+	return "未知"
+}
+
+// GetStocks 获取股票代码,sh6xxx sz0xx sz30xx
+func (this *Codes) GetStocks() []string {
+	ls := []string(nil)
+	for k, _ := range this.Codes {
+		if protocol.IsStock(k) {
+			ls = append(ls, k)
+		}
+	}
+	return ls
+}
+
+func (this *Codes) Update() error {
+	codes, err := this.Code(false)
+	if err != nil {
+		return err
+	}
+	codeMap := make(map[string]*CodeModel)
+	for _, code := range codes {
+		codeMap[code.Exchange+code.Code] = code
+	}
+	this.Codes = codeMap
+	return nil
+}
+
+// Code 更新股票并返回结果
+func (this *Codes) Code(byDatabase bool) ([]*CodeModel, error) {
+
+	//2. 查询数据库所有股票
+	list := []*CodeModel(nil)
+	if err := this.db.Find(&list); err != nil {
+		return nil, err
+	}
+
+	//如果是从缓存读取,则返回结果
+	if byDatabase {
+		return list, nil
+	}
+
+	mCode := make(map[string]*CodeModel, len(list))
+	for _, v := range list {
+		mCode[v.Code] = v
+	}
+
+	//3. 从服务器获取所有股票代码
+	insert := []*CodeModel(nil)
+	update := []*CodeModel(nil)
+	for _, exchange := range []protocol.Exchange{protocol.ExchangeSH, protocol.ExchangeSZ} {
+		resp, err := this.Client.GetCodeAll(exchange)
+		if err != nil {
+			return nil, err
+		}
+		for _, v := range resp.List {
+			if _, ok := mCode[v.Code]; ok {
+				if mCode[v.Code].Name != v.Name {
+					mCode[v.Code].Name = v.Name
+					update = append(update, &CodeModel{
+						Name:     v.Name,
+						Code:     v.Code,
+						Exchange: exchange.String(),
+					})
+				}
+			} else {
+				code := &CodeModel{
+					Name:     v.Name,
+					Code:     v.Code,
+					Exchange: exchange.String(),
+				}
+				insert = append(insert, code)
+				list = append(list, code)
+			}
+		}
+	}
+
+	//4. 插入或者更新数据库
+	err := this.SessionFunc(func(session *xorm.Session) error {
+		for _, v := range insert {
+			if _, err := session.Insert(v); err != nil {
+				return err
+			}
+		}
+		for _, v := range update {
+			if _, err := session.Where("Code=?", v.Code).Cols("Name").Update(v); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return list, nil
+
+}
+
+func (this *Codes) SessionFunc(fn func(session *xorm.Session) error) error {
+	session := this.db.NewSession()
+	defer session.Close()
+	if err := session.Begin(); err != nil {
+		session.Rollback()
+		return err
+	}
+	if err := fn(session); err != nil {
+		session.Rollback()
+		return err
+	}
+	if err := session.Commit(); err != nil {
+		session.Rollback()
+		return err
+	}
+	return nil
+}
+
+type CodeModel struct {
+	ID       int64  `json:"id"`                      //主键
+	Name     string `json:"name"`                    //名称,有时候名称会变,例STxxx
+	Code     string `json:"code" xorm:"index"`       //代码
+	Exchange string `json:"exchange" xorm:"index"`   //交易所
+	EditDate int64  `json:"editDate" xorm:"updated"` //修改时间
+	InDate   int64  `json:"inDate" xorm:"created"`   //创建时间
+}
diff --git a/go.mod b/go.mod
index 9b39e26..63b8b87 100644
--- a/go.mod
+++ b/go.mod
@@ -3,25 +3,39 @@ module github.com/injoyai/tdx
 go 1.20
 
 require (
+	github.com/glebarez/go-sqlite v1.22.0
 	github.com/injoyai/base v1.0.18
 	github.com/injoyai/conv v1.1.10
 	github.com/injoyai/ios v0.0.4
 	github.com/injoyai/logs v1.0.9
+	github.com/robfig/cron/v3 v3.0.1
 	golang.org/x/text v0.16.0
+	xorm.io/xorm v1.3.9
 )
 
 require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fatih/color v1.14.1 // indirect
+	github.com/goccy/go-json v0.8.1 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/uuid v1.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/satori/go.uuid v1.2.0 // indirect
 	github.com/stretchr/testify v1.9.0 // indirect
+	github.com/syndtr/goleveldb v1.0.0 // indirect
 	golang.org/x/sys v0.22.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	modernc.org/libc v1.37.6 // indirect
+	modernc.org/mathutil v1.6.0 // indirect
+	modernc.org/memory v1.7.2 // indirect
+	modernc.org/sqlite v1.28.0 // indirect
+	xorm.io/builder v0.3.11-0.20220531020008-1bd24a7dc978 // indirect
 )
diff --git a/go.sum b/go.sum
index 49d8c4a..51c8f4d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,13 +1,32 @@
+gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=
+gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:EXuID2Zs0pAQhH8yz+DNjUbjppKQzKFAn28TMYPB6IU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
 github.com/fatih/color v1.14.1 h1:qfhVLaG5s+nCROl1zJsZRxFeYrHLqWroPOQ8BWiNb4w=
 github.com/fatih/color v1.14.1/go.mod h1:2oHN61fhTpgcxD3TSWCgKDiH1+x4OiDVVGH8WlgGZGg=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec+ruQ=
+github.com/glebarez/go-sqlite v1.22.0/go.mod h1:PlBIdHe0+aUEFn+r2/uthrWq4FxbzugL0L8Li6yQJbc=
+github.com/go-sql-driver/mysql v1.7.0 h1:ueSltNNllEqE3qcWBTD0iQd3IpL/6U+mJxLkazJ7YPc=
+github.com/goccy/go-json v0.8.1 h1:4/Wjm0JIJaTDm8K1KcGrLHJoa8EsJ13YWeX+6Kfq6uI=
+github.com/goccy/go-json v0.8.1/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 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/pprof v0.0.0-20221118152302-e6195bd50e26 h1:Xim43kblpZXfIBQsbuBVKCudVG457BR2GZFIz3uw3hQ=
+github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
+github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/injoyai/base v1.0.18 h1:AMB1NhPe9acvMp04sThE8Ji/SRS1/MHsx19NmSoD8LA=
 github.com/injoyai/base v1.0.18/go.mod h1:2JSv8ndJ/FmKyazfhDBewzylEbVfJV0EE/r6kOvnzwU=
 github.com/injoyai/conv v1.1.5/go.mod h1:PYoJcbqaz4eyQUovzErRFCuDSPGB4L07AvdmFsTrTew=
@@ -19,6 +38,7 @@ github.com/injoyai/logs v1.0.9 h1:Wq7rCVIQKcPx+z+lzKQb2qyDK4TML/cgmaSZN9tx33c=
 github.com/injoyai/logs v1.0.9/go.mod h1:CLchJCGhb39Obyrci816R+KMtbxZhgPs0FuikhyixK4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -31,17 +51,27 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
-github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs=
+github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU=
+github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/pelletier/go-toml/v2 v2.1.1 h1:LWAJwfNvjQZCFIDKWYQaM62NcYeYViCmWIwmOStowAI=
 github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -53,25 +83,60 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
+github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
+golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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diff --git a/util.go b/util.go
deleted file mode 100644
index 7c827bc..0000000
--- a/util.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package tdx
-
-import (
-	"github.com/injoyai/tdx/protocol"
-)
-
-// IsStock 是否是股票,示例sz000001
-var IsStock = protocol.IsStock
diff --git a/workday.go b/workday.go
new file mode 100644
index 0000000..a4d7ccb
--- /dev/null
+++ b/workday.go
@@ -0,0 +1,144 @@
+package tdx
+
+import (
+	_ "github.com/glebarez/go-sqlite"
+	"github.com/injoyai/base/maps"
+	"github.com/injoyai/logs"
+	"github.com/robfig/cron/v3"
+	"os"
+	"path/filepath"
+	"time"
+	"xorm.io/xorm"
+)
+
+func NewWorkday(c *Client, filename string) (*Workday, error) {
+
+	//如果文件夹不存在就创建
+	dir, _ := filepath.Split(filename)
+	_ = os.MkdirAll(dir, 0777)
+
+	//连接数据库
+	db, err := xorm.NewEngine("sqlite", filename)
+	if err != nil {
+		return nil, err
+	}
+	db.DB().SetMaxOpenConns(1)
+	if err := db.Sync2(new(WorkdayModel)); err != nil {
+		return nil, err
+	}
+
+	w := &Workday{
+		Client: c,
+		db:     db,
+		cache:  maps.NewBit(),
+	}
+
+	//设置定时器,每天早上9点更新数据,8点多获取不到今天的数据
+	task := cron.New(cron.WithSeconds())
+	task.AddFunc("0 0 9 * * *", func() {
+		for i := 0; i < 3; i++ {
+			if err := w.Update(); err == nil {
+				return
+			}
+			logs.Err(err)
+			<-time.After(time.Minute * 5)
+		}
+	})
+	task.Start()
+
+	return w, w.Update()
+}
+
+type Workday struct {
+	*Client
+	db    *xorm.Engine
+	cache maps.Bit
+}
+
+// Update 更新
+func (this *Workday) Update() error {
+	//获取平安银行的日K线,用作历史是否节假日的判断依据
+	//判断日K线是否拉取过
+
+	//获取全部工作日
+	all := []*WorkdayModel(nil)
+	if err := this.db.Find(&all); err != nil {
+		return err
+	}
+	var lastWorkday = &WorkdayModel{}
+	if len(all) > 0 {
+		lastWorkday = all[len(all)-1]
+	}
+	for _, v := range all {
+		this.cache.Set(uint64(v.Unix), true)
+	}
+
+	now := time.Now()
+	if lastWorkday == nil || lastWorkday.Unix < IntegerDay(now).Unix() {
+		resp, err := this.Client.GetKlineDayAll("sz000001")
+		if err != nil {
+			logs.Err(err)
+			return err
+		}
+
+		this.SessionFunc(func(session *xorm.Session) error {
+			for _, v := range resp.List {
+				if unix := v.Time.Unix(); unix > lastWorkday.Unix {
+					_, err = session.Insert(&WorkdayModel{Unix: unix, Date: v.Time.Format("20060102"), Is: true})
+					if err != nil {
+						return err
+					}
+					this.cache.Set(uint64(unix), true)
+				}
+			}
+			return nil
+		})
+
+	}
+	return nil
+}
+
+// Is 是否是工作日
+func (this *Workday) Is(t time.Time) bool {
+	return this.cache.Get(uint64(IntegerDay(t).Add(time.Hour * 15).Unix()))
+}
+
+// TodayIs 今天是否是工作日
+func (this *Workday) TodayIs() bool {
+	return this.Is(time.Now())
+}
+
+func (this *Workday) SessionFunc(fn func(session *xorm.Session) error) error {
+	session := this.db.NewSession()
+	defer session.Close()
+	if err := session.Begin(); err != nil {
+		session.Rollback()
+		return err
+	}
+	if err := fn(session); err != nil {
+		session.Rollback()
+		return err
+	}
+	if err := session.Commit(); err != nil {
+		session.Rollback()
+		return err
+	}
+	return nil
+}
+
+// WorkdayModel 工作日
+type WorkdayModel struct {
+	ID   int64  `json:"id"`   //主键
+	Unix int64  `json:"unix"` //时间戳
+	Date string `json:"date"` //日期
+	Is   bool   `json:"is"`   //是否是工作日
+}
+
+func (this *WorkdayModel) TableName() string {
+	return "workday"
+}
+
+func IntegerDay(t time.Time) time.Time {
+	year, month, day := t.Date()
+	return time.Date(year, month, day, 0, 0, 0, 0, t.Location())
+}