diff --git a/src/jiaowuxitong/class.go b/src/jiaowuxitong/class.go
index 8ba2500..36ce924 100644
--- a/src/jiaowuxitong/class.go
+++ b/src/jiaowuxitong/class.go
@@ -7,10 +7,7 @@ import (
 	"shylinux.com/x/education/src/jiaowuxitong/model"
 )
 
-type Class struct {
-	Table
-	school school
-}
+type Class struct { Table }
 
 func (s Class) Inputs(m *ice.Message, arg ...string) {
 	switch arg[0] {
@@ -32,3 +29,29 @@ func (s Class) Inputs(m *ice.Message, arg ...string) {
 }
 
 func init() { ice.TeamCtxCmd(Class{}) }
+
+type ClassType int
+
+const (
+	ClassHouse ClassType = iota
+	ClassHotel
+	ClassStore
+	ClassPublic
+	ClassSchool
+	ClassOffice
+	ClassFactory
+	ClassHospital
+)
+
+var ClassTypeList = map[ClassType]string{
+	ClassHouse:    "house",
+	ClassHotel:    "hotel",
+	ClassStore:    "store",
+	ClassPublic:   "public",
+	ClassSchool:   "school",
+	ClassOffice:   "office",
+	ClassFactory:  "factory",
+	ClassHospital: "hospital",
+}
+
+func (s ClassType) String() string { return ClassTypeList[s] }
diff --git a/src/jiaowuxitong/common.go b/src/jiaowuxitong/common.go
index fda43ab..b0b6a00 100644
--- a/src/jiaowuxitong/common.go
+++ b/src/jiaowuxitong/common.go
@@ -5,6 +5,7 @@ import (
 	"shylinux.com/x/icebergs/base/web"
 	kit "shylinux.com/x/toolkits"
 
+	"shylinux.com/x/education/src/jiaowuxitong/model"
 	"shylinux.com/x/mysql-story/src/db"
 )
 
@@ -20,3 +21,13 @@ func (s Table) Init(m *ice.Message, arg ...string) {
 func (s Table) Inputs(m *ice.Message, arg ...string) {
 	s.Table.Inputs(m, arg...)
 }
+func (s Table) List(m *ice.Message, arg ...string) *ice.Message {
+	if len(arg) == 0 || len(arg) == 1 {
+		if m.IsTech() {
+			s.Table.List(m)
+		}
+	} else if len(arg) == 2 {
+		s.Table.Select(m.FieldsSetDetail(), model.UID, arg[1])
+	}
+	return m
+}
diff --git a/src/jiaowuxitong/homework.go b/src/jiaowuxitong/homework.go
index da63c42..d9329b4 100644
--- a/src/jiaowuxitong/homework.go
+++ b/src/jiaowuxitong/homework.go
@@ -10,7 +10,6 @@ import (
 
 type homework struct {
 	Table
-	Class  Class
 	user   gonganxitong.User
 	portal string `data:"true"`
 	create string `name:"create content*" role:"void"`
diff --git a/src/jiaowuxitong/model/model.go b/src/jiaowuxitong/model/model.go
index e7d05d9..e9e89a1 100644
--- a/src/jiaowuxitong/model/model.go
+++ b/src/jiaowuxitong/model/model.go
@@ -5,6 +5,8 @@ import "shylinux.com/x/mysql-story/src/db"
 const (
 	UID         = "uid"
 	NAME        = "name"
+	TYPE        = "type"
+	ROLE        = "role"
 	GRADE       = "grade"
 	CREATED_AT  = "created_at"
 	USER_UID    = "user_uid"
@@ -12,12 +14,13 @@ const (
 	CLASS_NAME  = "class_name"
 	SCHOOL_UID  = "school_uid"
 	SCHOOL_NAME = "school_name"
+	CITY_NAME   = "city_name"
 )
 
 type UserClass struct {
 	db.Model
 	UserUID  string `gorm:"type:char(32);index"`
-	ClassUID string `gorm:"type:char(32)";index`
+	ClassUID string `gorm:"type:char(32);index"`
 }
 type Class struct {
 	db.ModelWithUID
@@ -28,7 +31,7 @@ type Class struct {
 type School struct {
 	db.ModelWithUID
 	CityUID string `gorm:"type:char(32);index"`
-	Name    string `gorm:"type:varchar(256)"`
+	Name    string `gorm:"type:varchar(256);index"`
 	Info    string
 }
 type Homework struct {
diff --git a/src/jiaowuxitong/portal.go b/src/jiaowuxitong/portal.go
index 3496eea..4bd0753 100644
--- a/src/jiaowuxitong/portal.go
+++ b/src/jiaowuxitong/portal.go
@@ -4,6 +4,7 @@ import (
 	"shylinux.com/x/ice"
 	"shylinux.com/x/icebergs/base/ctx"
 	"shylinux.com/x/icebergs/base/mdb"
+	"shylinux.com/x/icebergs/base/web"
 	kit "shylinux.com/x/toolkits"
 
 	"shylinux.com/x/community/src/gonganxitong"
@@ -17,7 +18,6 @@ type portal struct {
 	userClass   userClass
 	class       Class
 	school      school
-	inputs      string `name:"inputs" role:"void"`
 	list        string `name:"list class_uid index uid auto" role:"void"`
 	classCreate string `name:"classCreate city_name* school_name* grade*:select name*" role:"void"`
 	classRemove string `name:"classRemove class_uid*" role:"void"`
@@ -32,8 +32,10 @@ func (s portal) List(m *ice.Message, arg ...string) {
 		return
 	}
 	if len(arg) == 0 {
-		m.Cmdy(s.userClass, m.Option(model.USER_UID)).PushAction(s.ClassRemove).Action(s.ClassCreate)
-		kit.If(!m.IsErr() && m.Length() == 0, func() { m.EchoInfoButton(m.Trans("Please Create Your Class", "请创建班级"), s.ClassCreate) })
+		m.Cmdy(s.userClass, m.Option(model.USER_UID)).PushAction(s.ClassRemove).Action(s.ClassCreate, s.ScanQRCode)
+		kit.If(!m.IsErr() && m.Length() == 0, func() {
+			m.EchoInfoButton(m.Trans("Please Create Your Class", "请创建班级"), s.ClassCreate, s.ScanQRCode)
+		})
 	} else if len(arg) == 2 {
 		msg := m.Cmd(s.class, s.class.Select, model.UID, arg[0])
 		m.Option(model.CLASS_NAME, msg.Append(model.NAME))
@@ -51,20 +53,35 @@ func (s portal) ClassCreate(m *ice.Message, arg ...string) {
 	if s.school.FindOrCreateByName(m, arg...); m.IsErr() {
 		return
 	}
-	if !m.Cmdy(s.class, s.class.Create, arg[2:]).IsErr() {
-		args := kit.Simple(model.USER_UID, m.Option(model.USER_UID), model.CLASS_UID, m.Result())
-		m.Cmdy(s.userClass, s.userClass.Create, args)
-		m.ProcessRefresh()
+	if m.Cmdy(s.class, s.class.Create, arg[2:]).IsErr() {
+		return
 	}
+	args := kit.Simple(m.OptionSimple(model.USER_UID), model.CLASS_UID, m.Result())
+	m.Cmdy(s.userClass, s.userClass.Create, args).ProcessRefresh()
 }
 func (s portal) ClassRemove(m *ice.Message, arg ...string) {
 	defer m.ToastProcess()()
 	args := m.OptionSimple(model.USER_UID, model.CLASS_UID)
 	msg := m.Cmd(s.userClass, s.userClass.Select, args)
-	if !m.WarnNotFound(msg.Length() == 0, "class") {
-		m.Cmdy(s.userClass, s.userClass.Delete, args)
-		m.Cmdy(s.class, s.class.Delete, model.UID, m.Option(model.CLASS_UID))
-		m.ProcessRefresh()
+	if m.WarnNotFound(msg.Length() == 0, "class") {
+		return
+	}
+	m.Cmdy(s.userClass, s.userClass.Delete, msg.AppendSimple(model.UID))
+	m.Cmdy(s.class, s.class.Delete, model.UID, m.Option(model.CLASS_UID))
+	m.ProcessRefresh()
+}
+func (s portal) ScanQRCode(m *ice.Message, arg ...string) {
+	defer m.ToastProcess()()
+	if m.Option(mdb.TYPE) == mdb.TEXT {
+		args := kit.Simple(m.OptionSimple(model.USER_UID), model.CLASS_UID, m.Option(mdb.TEXT))
+		m.Cmdy(s.userClass, s.userClass.Create, args, model.ROLE, UserClassVisitor)
+	}
+	if m.Option(mdb.TYPE) == web.LINK {
+		args := m.ParseURL(m.Option(mdb.TEXT))
+		if len(args) > 1 && args[1] == m.Prefix("apply") {
+			args := kit.Simple(m.OptionSimple(model.USER_UID), model.CLASS_UID, args[0])
+			m.Cmdy(s.userClass, s.userClass.Create, args, model.ROLE, UserClassVisitor)
+		}
 	}
 }
 
diff --git a/src/jiaowuxitong/portal.json b/src/jiaowuxitong/portal.json
index 6329bf9..b045fea 100644
--- a/src/jiaowuxitong/portal.json
+++ b/src/jiaowuxitong/portal.json
@@ -1,13 +1,14 @@
 {
-	"user": "用户",
-	"class": "班级",
-	"school": "学校",
-	"homework": "家庭作业",
+	"portal": "教务系统",
+	"scanQRCode": "扫码添加",
 	"classCreate": "创建班级",
 	"classRemove": "删除班级",
-	"portal": "教务系统",
+	"qrcode": "班级码",
+	"homework": "家庭作业",
 	"icons": {
-		"classCreate": "bi bi-plus-square-dotted"
+		"scanQRCode": "bi bi-qr-code-scan",
+		"classCreate": "bi bi-plus-square-dotted",
+		"qrcode": "https://img.icons8.com/officel/80/qr-code.png"
 	},
 	"style": {
 		"classRemove": "danger"
@@ -26,7 +27,7 @@
 		"city_name": "城市名称"
 	},
 	"value": {
-
-
+		
+		
 	}
-}
\ No newline at end of file
+}
diff --git a/src/jiaowuxitong/qrcode.go b/src/jiaowuxitong/qrcode.go
new file mode 100644
index 0000000..a4658c0
--- /dev/null
+++ b/src/jiaowuxitong/qrcode.go
@@ -0,0 +1,26 @@
+package jiaowuxitong
+
+import (
+	"shylinux.com/x/ice"
+	kit "shylinux.com/x/toolkits"
+
+	"shylinux.com/x/education/src/jiaowuxitong/model"
+)
+
+type qrcode struct {
+	portal    portal
+	userClass userClass
+	list      string `name:"list place_uid auto" role:"void"`
+}
+
+func (s qrcode) Init(m *ice.Message, arg ...string) {
+	s.portal.Show(m)
+}
+func (s qrcode) List(m *ice.Message, arg ...string) {
+	msg := m.Cmd(s.userClass, m.Option(model.USER_UID), arg[0])
+	m.FieldsSetDetail()
+	kit.For([]string{model.CITY_NAME, model.SCHOOL_NAME, model.CLASS_NAME}, func(key string) { m.Push(key, msg.Append(key)) })
+	m.EchoQRCode(s.portal.Link(m, arg[0], m.Prefix("apply")))
+}
+
+func init() { ice.TeamCtxCmd(qrcode{}) }
diff --git a/src/jiaowuxitong/school.go b/src/jiaowuxitong/school.go
index af9b7d5..53157f0 100644
--- a/src/jiaowuxitong/school.go
+++ b/src/jiaowuxitong/school.go
@@ -6,12 +6,7 @@ import (
 	"shylinux.com/x/education/src/jiaowuxitong/model"
 )
 
-type school struct {
-	Table
-	create string `name:"create city_uid* name info"`
-}
-
-func init() { ice.TeamCtxCmd(school{}) }
+type school struct{ Table }
 
 func (s school) FindOrCreateByName(m *ice.Message, arg ...string) {
 	if msg := m.Cmd(s, s.Select, model.NAME, arg[3], arg[0], arg[1]); msg.Length() == 0 {
@@ -21,3 +16,5 @@ func (s school) FindOrCreateByName(m *ice.Message, arg ...string) {
 		arg[2], arg[3] = model.SCHOOL_UID, msg.Append(model.UID)
 	}
 }
+
+func init() { ice.TeamCtxCmd(school{}) }
diff --git a/src/jiaowuxitong/userClass.go b/src/jiaowuxitong/userClass.go
index 50324e4..209d19c 100644
--- a/src/jiaowuxitong/userClass.go
+++ b/src/jiaowuxitong/userClass.go
@@ -8,14 +8,34 @@ import (
 
 type userClass struct {
 	Table
-	Class  Class
+	class  Class
 	school school
-	create string `name:"create user_uid* class_uid*"`
 }
 
 func (s userClass) List(m *ice.Message, arg ...string) {
-	s.Tables(m, s.Class, s.school).Fields(m, s.Key(s.Class, model.CREATED_AT), model.SCHOOL_NAME, model.GRADE, model.CLASS_NAME, model.CLASS_UID, model.SCHOOL_UID)
-	s.Select(m, model.USER_UID, arg[0])
+	s.Tables(m, s.class, s.school).Fields(m,
+		s.Key(s.class, model.CREATED_AT), model.SCHOOL_NAME, model.GRADE, model.CLASS_NAME, model.CLASS_UID, model.SCHOOL_UID,
+	).Orders(m, s.Desc(model.CREATED_AT)).Select(m, model.USER_UID, arg[0])
 }
 
 func init() { ice.TeamCtxCmd(userClass{}) }
+
+type UserClassRole int
+
+const (
+	UserClassCreator UserClassRole = iota
+	UserClassTeacher
+	UserClassStudent
+	UserClassParent
+	UserClassVisitor
+)
+
+var UserClassRoleList = map[UserClassRole]string{
+	UserClassCreator: "creator",
+	UserClassTeacher: "teacher",
+	UserClassStudent: "student",
+	UserClassParent:  "parent",
+	UserClassVisitor: "visitor",
+}
+
+func (s UserClassRole) String() string { return UserClassRoleList[s] }
diff --git a/src/main.go b/src/main.go
index bcdcbd2..0600d73 100644
--- a/src/main.go
+++ b/src/main.go
@@ -8,4 +8,4 @@ import (
 
 func main() { print(ice.Run()) }
 
-func init() { ice.Info.Titles = "云教育" }
+func init() { ice.Info.Titles = "云教育" }
\ No newline at end of file
diff --git a/src/template/web.code.autogen/demo.go b/src/template/web.code.autogen/demo.go
index 4c052ab..676d21e 100644
--- a/src/template/web.code.autogen/demo.go
+++ b/src/template/web.code.autogen/demo.go
@@ -10,4 +10,4 @@ func (s {{.Option "name"}}) List(m *ice.Message, arg ...string) {
 	s.Table.List(m, arg...)
 }
 
-func init() { ice.Cmd(prefixKey(), {{.Option "name"}}{}) }
+func init() { ice.TeamCtxCmd({{.Option "name"}}{}) }