diff --git a/model/blog.go b/model/blog.go
index 1f9f1b9..654b660 100644
--- a/model/blog.go
+++ b/model/blog.go
@@ -26,6 +26,14 @@ type Doc struct {
 	OriginUrl string `json:"origin_url" gorm:"column:origin_url" sql:"origin_url"` 
 }
 
+type DocHistory struct{
+	ID int32 `json:"id" gorm:"column:id" sql:"id"` 
+	Title string `json:"title" gorm:"column:title" sql:"title"` 
+	DocId int32 `json:"doc_id" gorm:"column:doc_id" sql:"doc_id"` 
+	Content []byte `json:"content" gorm:"column:content" sql:"content"` 
+	EditTime time.Time `json:"edit_time" gorm:"column:edit_time" sql:"edit_time"` 
+}
+
 type DocGroup struct {
 	Int  int32  `sql:"int"`
 	Name string `sql:"name"`
@@ -85,7 +93,7 @@ func CreateDoc(doc Doc) error {
 }
 
 /*
-UpdateDoc 更新文档
+	UpdateDoc 更新文档
 */
 func UpdateDoc(doc Doc) error {
 	sql := fmt.Sprintf(`update doc set doc.author = '%s' ,doc.title = '%s',doc.type = '%d',doc.content = '%s' ,doc.update_time = '%s' ,doc.version = '%d' where doc.id = '%d'; `,
@@ -96,6 +104,13 @@ func UpdateDoc(doc Doc) error {
 		logs.Error(e.Error())
 		return e
 	}
+	sql = fmt.Sprintf(`insert into doc(title,doc_id,content,edit_time) values('%s',%d,'%s','%s');`,
+	doc.Title,doc.ID,strings.Replace(doc.Content, "'", "\\'", -1), time.Now().Format("2006-01-02 15:04:05"))
+	_, er := db.GetMysqlClient().Query(sql)
+	if nil != er {
+		logs.Error(e.Error())
+		return e
+	}
 	return nil
 }
 
@@ -162,8 +177,9 @@ func GetAllDocs() ([]Doc, error) {
 		return nil, e
 	}
 	return ret, nil
-
 }
+
+
 func GetAllGroup() ([]DocGroup, error) {
 	ret := []DocGroup{}
 	sql := fmt.Sprintf("select * from doc_group")