diff --git a/controllers/DocumentController.go b/controllers/DocumentController.go
index b158929c..cef65fb9 100644
--- a/controllers/DocumentController.go
+++ b/controllers/DocumentController.go
@@ -587,7 +587,9 @@ func (c *DocumentController) RemoveAttachment() {
 		beego.Error(err)
 		c.JsonResult(6003, "文档不存在")
 	}
-
+	if document.IsLock == 1 {
+		c.JsonResult(6004,"不能编辑已锁定的文档")
+	}
 	if c.Member.Role != conf.MemberSuperRole {
 		rel, err := models.NewRelationship().FindByBookIdAndMemberId(document.BookId, c.Member.MemberId)
 		if err != nil {
@@ -679,6 +681,8 @@ func (c *DocumentController) Content() {
 
 	bookId := 0
 	autoRelease := false
+	isLock := false
+
 
 	// 如果是超级管理员，则忽略权限
 	if c.Member.IsAdministrator() {
@@ -686,9 +690,9 @@ func (c *DocumentController) Content() {
 		if err != nil {
 			c.JsonResult(6002, "项目不存在或权限不足")
 		}
-
 		bookId = book.BookId
 		autoRelease = book.AutoRelease == 1
+		isLock = book.IsLock == 1
 	} else {
 		bookResult, err := models.NewBookResult().FindByIdentify(identify, c.Member.MemberId)
 
@@ -696,9 +700,12 @@ func (c *DocumentController) Content() {
 			beego.Error("FindByIdentify => ", err)
 			c.JsonResult(6002, "项目不存在或权限不足")
 		}
-
+		if bookResult.IsLock {
+			c.JsonResult(6003,"锁定的项目不能编辑")
+		}
 		bookId = bookResult.BookId
 		autoRelease = bookResult.AutoRelease
+		isLock = bookResult.IsLock
 	}
 
 	if docId <= 0 {
@@ -706,6 +713,11 @@ func (c *DocumentController) Content() {
 	}
 
 	if c.Ctx.Input.IsPost() {
+		if isLock {
+			//如果项目锁定了,则不能编辑
+			c.JsonResult(6003,"锁定的项目不能编辑")
+		}
+
 		markdown := strings.TrimSpace(c.GetString("markdown", ""))
 		content := c.GetString("html")
 		version, _ := c.GetInt64("version", 0)
diff --git a/models/BookModel.go b/models/BookModel.go
index f03cab6c..78d4bdc7 100644
--- a/models/BookModel.go
+++ b/models/BookModel.go
@@ -66,6 +66,8 @@ type Book struct {
 	HistoryCount int `orm:"column(history_count);type(int);default(0)" json:"history_count"`
 	//是否启用分享，0启用/1不启用
 	IsEnableShare int       `orm:"column(is_enable_share);type(int);default(0)" json:"is_enable_share"`
+	//是否锁定，锁定状态下不能编辑,0 否/1 是
+	IsLock 		  int 		`orm:"column(is_lock);type(int);default(0)" json:"is_lock"`
 	MemberId      int       `orm:"column(member_id);size(100)" json:"member_id"`
 	ModifyTime    time.Time `orm:"type(datetime);column(modify_time);null;auto_now" json:"modify_time"`
 	Version       int64     `orm:"type(bigint);column(version)" json:"version"`
diff --git a/models/book_result.go b/models/book_result.go
index d1ad4f58..b2e20058 100644
--- a/models/book_result.go
+++ b/models/book_result.go
@@ -59,6 +59,7 @@ type BookResult struct {
 	LastModifyText   string `json:"last_modify_text"`
 	IsDisplayComment bool   `json:"is_display_comment"`
 	IsDownload       bool   `json:"is_download"`
+	IsLock			 bool	`json:"is_lock"`
 }
 
 func NewBookResult() *BookResult {
@@ -162,29 +163,30 @@ func (m *BookResult) FindToPager(pageIndex, pageSize int) (books []*BookResult,
 //实体转换
 func (m *BookResult) ToBookResult(book Book) *BookResult {
 
-	m.BookId = book.BookId
-	m.BookName = book.BookName
-	m.Identify = book.Identify
-	m.OrderIndex = book.OrderIndex
-	m.Description = strings.Replace(book.Description, "\r\n", "<br/>", -1)
-	m.PrivatelyOwned = book.PrivatelyOwned
-	m.PrivateToken = book.PrivateToken
-	m.DocCount = book.DocCount
-	m.CommentStatus = book.CommentStatus
-	m.CommentCount = book.CommentCount
-	m.CreateTime = book.CreateTime
-	m.ModifyTime = book.ModifyTime
-	m.Cover = book.Cover
-	m.Label = book.Label
-	m.Status = book.Status
-	m.Editor = book.Editor
-	m.Theme = book.Theme
-	m.AutoRelease = book.AutoRelease == 1
-	m.IsEnableShare = book.IsEnableShare == 0
+	m.BookId 			= book.BookId
+	m.BookName 			= book.BookName
+	m.Identify 			= book.Identify
+	m.OrderIndex 		= book.OrderIndex
+	m.Description 		= strings.Replace(book.Description, "\r\n", "<br/>", -1)
+	m.PrivatelyOwned 	= book.PrivatelyOwned
+	m.PrivateToken 		= book.PrivateToken
+	m.DocCount 			= book.DocCount
+	m.CommentStatus 	= book.CommentStatus
+	m.CommentCount 		= book.CommentCount
+	m.CreateTime 		= book.CreateTime
+	m.ModifyTime 		= book.ModifyTime
+	m.Cover		 		= book.Cover
+	m.Label 			= book.Label
+	m.Status 			= book.Status
+	m.Editor 			= book.Editor
+	m.Theme 			= book.Theme
+	m.AutoRelease 		= book.AutoRelease == 1
+	m.IsEnableShare 	= book.IsEnableShare == 0
+	m.Publisher 		= book.Publisher
+	m.HistoryCount 		= book.HistoryCount
+	m.IsDownload 		= book.IsDownload == 0
+	m.IsLock 			= book.IsLock == 1
 	m.IsUseFirstDocument = book.IsUseFirstDocument == 1
-	m.Publisher = book.Publisher
-	m.HistoryCount = book.HistoryCount
-	m.IsDownload = book.IsDownload == 0
 
 	if book.Theme == "" {
 		m.Theme = "default"
diff --git a/models/document.go b/models/document.go
index d5131382..3a261898 100644
--- a/models/document.go
+++ b/models/document.go
@@ -33,6 +33,8 @@ type Document struct {
 	ModifyTime time.Time     `orm:"column(modify_time);type(datetime);auto_now" json:"modify_time"`
 	ModifyAt   int           `orm:"column(modify_at);type(int)" json:"-"`
 	Version    int64         `orm:"type(bigint);column(version)" json:"version"`
+	//是否锁定，锁定状态下不能编辑,0 否/1 是
+	IsLock	   int			 `orm:"column(is_lock);type(int);default(0)" json:"is_lock"`
 	AttachList []*Attachment `orm:"-" json:"attach"`
 }