diff --git a/code/core/application.go b/code/core/application.go
new file mode 100644
index 0000000..56899fa
--- /dev/null
+++ b/code/core/application.go
@@ -0,0 +1,9 @@
+package core
+
+/**
+ * 从命令行输入的相关信息
+ */
+type Application interface {
+	//启动整个应用
+	Start()
+}
diff --git a/code/core/command.go b/code/core/command.go
deleted file mode 100644
index eb317cb..0000000
--- a/code/core/command.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package core
-
-/**
- * 从命令行输入的相关信息
- */
-type Command interface {
-
-	//判断是否为命名行模式，如果是直接按照命名行模式处理，并返回true。如果不是返回false.
-	Cli() bool
-}
diff --git a/code/core/global.go b/code/core/global.go
index b051c9a..51649a9 100644
--- a/code/core/global.go
+++ b/code/core/global.go
@@ -3,7 +3,7 @@ package core
 //该文件中记录的是应用系统中全局变量。主要有日志LOGGER和上下文CONTEXT
 
 //命令行输入等相关信息
-var COMMAND Command
+var APPLICATION Application
 
 //日志系统必须高保
 //全局唯一的日志对象(在main函数中初始化)
diff --git a/code/rest/base_model.go b/code/rest/base_model.go
index 16a11d0..e5aa050 100644
--- a/code/rest/base_model.go
+++ b/code/rest/base_model.go
@@ -10,6 +10,9 @@ import (
 const (
 	TRUE  = "true"
 	FALSE = "false"
+
+	DIRECTION_ASC  = "ASC"
+	DIRECTION_DESC = "DESC"
 )
 
 type IBase interface {
diff --git a/code/rest/bridge_controller.go b/code/rest/bridge_controller.go
deleted file mode 100644
index 51217cd..0000000
--- a/code/rest/bridge_controller.go
+++ /dev/null
@@ -1,89 +0,0 @@
-package rest
-
-import (
-	"github.com/eyebluecn/tank/code/core"
-	"github.com/eyebluecn/tank/code/tool/builder"
-	"github.com/eyebluecn/tank/code/tool/result"
-	"net/http"
-	"strconv"
-)
-
-type BridgeController struct {
-	BaseController
-	bridgeDao     *BridgeDao
-	shareDao      *ShareDao
-	bridgeService *BridgeService
-}
-
-//初始化方法
-func (this *BridgeController) Init() {
-	this.BaseController.Init()
-
-	//手动装填本实例的Bean. 这里必须要用中间变量方可。
-	b := core.CONTEXT.GetBean(this.bridgeDao)
-	if b, ok := b.(*BridgeDao); ok {
-		this.bridgeDao = b
-	}
-
-	b = core.CONTEXT.GetBean(this.shareDao)
-	if b, ok := b.(*ShareDao); ok {
-		this.shareDao = b
-	}
-	b = core.CONTEXT.GetBean(this.bridgeService)
-	if b, ok := b.(*BridgeService); ok {
-		this.bridgeService = b
-	}
-
-}
-
-//注册自己的路由。
-func (this *BridgeController) RegisterRoutes() map[string]func(writer http.ResponseWriter, request *http.Request) {
-
-	routeMap := make(map[string]func(writer http.ResponseWriter, request *http.Request))
-
-	//每个Controller需要主动注册自己的路由。
-	routeMap["/api/bridge/page"] = this.Wrap(this.Page, USER_ROLE_USER)
-
-	return routeMap
-}
-
-//按照分页的方式查询
-func (this *BridgeController) Page(writer http.ResponseWriter, request *http.Request) *result.WebResult {
-
-	//如果是根目录，那么就传入root.
-	pageStr := request.FormValue("page")
-	pageSizeStr := request.FormValue("pageSize")
-	shareUuid := request.FormValue("shareUuid")
-	orderCreateTime := request.FormValue("orderCreateTime")
-	orderSize := request.FormValue("orderSize")
-
-	share := this.shareDao.CheckByUuid(shareUuid)
-
-	var page int
-	if pageStr != "" {
-		page, _ = strconv.Atoi(pageStr)
-	}
-
-	pageSize := 200
-	if pageSizeStr != "" {
-		tmp, err := strconv.Atoi(pageSizeStr)
-		if err == nil {
-			pageSize = tmp
-		}
-	}
-
-	sortArray := []builder.OrderPair{
-		{
-			Key:   "create_time",
-			Value: orderCreateTime,
-		},
-		{
-			Key:   "size",
-			Value: orderSize,
-		},
-	}
-
-	pager := this.bridgeDao.Page(page, pageSize, share.Uuid, sortArray)
-
-	return this.Success(pager)
-}
diff --git a/code/rest/bridge_dao.go b/code/rest/bridge_dao.go
index c9ba4c5..1c6aa2b 100644
--- a/code/rest/bridge_dao.go
+++ b/code/rest/bridge_dao.go
@@ -3,6 +3,7 @@ package rest
 import (
 	"github.com/eyebluecn/tank/code/core"
 	"github.com/eyebluecn/tank/code/tool/builder"
+	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/jinzhu/gorm"
 
 	"github.com/nu7hatch/gouuid"
@@ -37,6 +38,18 @@ func (this *BridgeDao) CheckByUuid(uuid string) *Bridge {
 
 }
 
+//按照shareUuid和matterUuid查找
+func (this *BridgeDao) CheckByShareUuidAndMatterUuid(shareUuid string, matterUuid string) *Bridge {
+
+	// Read
+	var bridge Bridge
+	db := core.CONTEXT.GetDB().Where("share_uuid = ? AND matter_uuid = ?", shareUuid, matterUuid).First(&bridge)
+	this.PanicError(db.Error)
+
+	return &bridge
+
+}
+
 //按分页条件获取分页
 func (this *BridgeDao) Page(page int, pageSize int, shareUuid string, sortArray []builder.OrderPair) *Pager {
 
@@ -92,6 +105,47 @@ func (this *BridgeDao) Delete(bridge *Bridge) {
 	this.PanicError(db.Error)
 }
 
+//删除一个matter对应的所有缓存
+func (this *BridgeDao) DeleteByMatterUuid(matterUuid string) {
+
+	var wp = &builder.WherePair{}
+
+	wp = wp.And(&builder.WherePair{Query: "matter_uuid = ?", Args: []interface{}{matterUuid}})
+
+	//删除文件记录
+	db := core.CONTEXT.GetDB().Where(wp.Query, wp.Args).Delete(Bridge{})
+	this.PanicError(db.Error)
+}
+
+//删除一个share对应的所有缓存
+func (this *BridgeDao) DeleteByShareUuid(shareUuid string) {
+
+	var wp = &builder.WherePair{}
+
+	wp = wp.And(&builder.WherePair{Query: "share_uuid = ?", Args: []interface{}{shareUuid}})
+
+	//删除文件记录
+	db := core.CONTEXT.GetDB().Where(wp.Query, wp.Args).Delete(Bridge{})
+	this.PanicError(db.Error)
+}
+
+//根据shareUuid获取关联的所有matter.
+func (this *BridgeDao) ListByShareUuid(shareUuid string) []*Bridge {
+
+	if shareUuid == "" {
+		panic(result.BadRequest("shareUuid cannot be nil"))
+	}
+
+	var bridges []*Bridge
+
+	db := core.CONTEXT.GetDB().
+		Where("share_uuid = ?", shareUuid).
+		Find(&bridges)
+	this.PanicError(db.Error)
+
+	return bridges
+}
+
 //执行清理操作
 func (this *BridgeDao) Cleanup() {
 	this.logger.Info("[BridgeDao]执行清理：清除数据库中所有Bridge记录。")
diff --git a/code/rest/install_controller.go b/code/rest/install_controller.go
index c0b465d..655a2f2 100644
--- a/code/rest/install_controller.go
+++ b/code/rest/install_controller.go
@@ -2,7 +2,6 @@ package rest
 
 import (
 	"fmt"
-
 	"github.com/eyebluecn/tank/code/core"
 	"github.com/eyebluecn/tank/code/tool/builder"
 	"github.com/eyebluecn/tank/code/tool/result"
@@ -26,6 +25,7 @@ type InstallController struct {
 	matterService     *MatterService
 	imageCacheDao     *ImageCacheDao
 	imageCacheService *ImageCacheService
+	tableNames        []IBase
 }
 
 //初始化方法
@@ -63,6 +63,20 @@ func (this *InstallController) Init() {
 		this.imageCacheService = c
 	}
 
+	this.tableNames = []IBase{
+		&Dashboard{},
+		&Bridge{},
+		&DownloadToken{},
+		&Footprint{},
+		&ImageCache{},
+		&Matter{},
+		&Preference{},
+		&Session{},
+		&Share{},
+		&UploadToken{},
+		&User{},
+	}
+
 }
 
 //注册自己的路由。
@@ -185,10 +199,9 @@ func (this *InstallController) getTableMeta(gormDb *gorm.DB, entity IBase) (bool
 //根据表名获取建表SQL语句
 func (this *InstallController) getTableMetaList(db *gorm.DB) []*InstallTableInfo {
 
-	var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, &UploadToken{}, &User{}}
 	var installTableInfos []*InstallTableInfo
 
-	for _, iBase := range tableNames {
+	for _, iBase := range this.tableNames {
 		exist, allFields, missingFields := this.getTableMeta(db, iBase)
 		installTableInfos = append(installTableInfos, &InstallTableInfo{
 			Name:          iBase.TableName(),
@@ -247,13 +260,12 @@ func (this *InstallController) TableInfoList(writer http.ResponseWriter, request
 //创建缺失数据库和表
 func (this *InstallController) CreateTable(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
-	var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, &UploadToken{}, &User{}}
 	var installTableInfos []*InstallTableInfo
 
 	db := this.openDbConnection(writer, request)
 	defer this.closeDbConnection(db)
 
-	for _, iBase := range tableNames {
+	for _, iBase := range this.tableNames {
 
 		//补全缺失字段或者创建数据库表
 		db1 := db.AutoMigrate(iBase)
diff --git a/code/rest/matter_controller.go b/code/rest/matter_controller.go
index f7751d9..8f17d5a 100644
--- a/code/rest/matter_controller.go
+++ b/code/rest/matter_controller.go
@@ -15,6 +15,8 @@ type MatterController struct {
 	matterService     *MatterService
 	downloadTokenDao  *DownloadTokenDao
 	imageCacheDao     *ImageCacheDao
+	shareDao          *ShareDao
+	bridgeDao         *BridgeDao
 	imageCacheService *ImageCacheService
 }
 
@@ -42,6 +44,12 @@ func (this *MatterController) Init() {
 	if b, ok := b.(*ImageCacheDao); ok {
 		this.imageCacheDao = b
 	}
+
+	b = core.CONTEXT.GetBean(this.shareDao)
+	if b, ok := b.(*ShareDao); ok {
+		this.shareDao = b
+	}
+
 	b = core.CONTEXT.GetBean(this.imageCacheService)
 	if b, ok := b.(*ImageCacheService); ok {
 		this.imageCacheService = b
@@ -64,7 +72,7 @@ func (this *MatterController) RegisterRoutes() map[string]func(writer http.Respo
 	routeMap["/api/matter/change/privacy"] = this.Wrap(this.ChangePrivacy, USER_ROLE_USER)
 	routeMap["/api/matter/move"] = this.Wrap(this.Move, USER_ROLE_USER)
 	routeMap["/api/matter/detail"] = this.Wrap(this.Detail, USER_ROLE_USER)
-	routeMap["/api/matter/page"] = this.Wrap(this.Page, USER_ROLE_USER)
+	routeMap["/api/matter/page"] = this.Wrap(this.Page, USER_ROLE_GUEST)
 
 	//本地文件映射
 	routeMap["/api/matter/mirror"] = this.Wrap(this.Mirror, USER_ROLE_USER)
@@ -114,9 +122,54 @@ func (this *MatterController) Page(writer http.ResponseWriter, request *http.Req
 	orderName := request.FormValue("orderName")
 	extensionsStr := request.FormValue("extensions")
 
-	user := this.checkUser(writer, request)
-	if user.Role != USER_ROLE_ADMINISTRATOR {
-		userUuid = user.Uuid
+	//使用分享提取码的形式授权。
+	shareUuid := request.FormValue("shareUuid")
+	shareCode := request.FormValue("shareCode")
+	shareRootUuid := request.FormValue("shareRootUuid")
+	if shareUuid != "" {
+
+		if puuid == "" {
+			panic(result.BadRequest("puuid必填！"))
+		}
+		dirMatter := this.matterDao.CheckByUuid(puuid)
+		if dirMatter.Dir {
+			panic(result.BadRequest("puuid 对应的不是文件夹"))
+		}
+
+		share := this.shareDao.CheckByUuid(shareUuid)
+		//如果是自己的分享，可以不要提取码
+		user := this.findUser(writer, request)
+		if user == nil {
+			if share.Code != shareCode {
+				panic(result.Unauthorized("提取码错误！"))
+			}
+		} else {
+			if user.Uuid != share.UserUuid {
+				if share.Code != shareCode {
+					panic(result.Unauthorized("提取码错误！"))
+				}
+			}
+		}
+
+		//验证 shareRootMatter是否在被分享。
+		shareRootMatter := this.matterDao.CheckByUuid(shareRootUuid)
+		if !shareRootMatter.Dir {
+			panic(result.BadRequest("只有文件夹可以浏览！"))
+		}
+		this.bridgeDao.CheckByShareUuidAndMatterUuid(share.Uuid, shareRootMatter.Uuid)
+
+		//保证 puuid对应的matter是shareRootMatter的子文件夹。
+		child := strings.HasPrefix(dirMatter.Path, shareRootMatter.Path)
+		if !child {
+			panic(result.BadRequest("%s 不是 %s 的子文件夹！", puuid, shareRootUuid))
+		}
+
+	} else {
+		//非分享模式要求必须登录
+		user := this.checkUser(writer, request)
+		if user.Role != USER_ROLE_ADMINISTRATOR {
+			userUuid = user.Uuid
+		}
 	}
 
 	var page int
@@ -246,10 +299,10 @@ func (this *MatterController) Upload(writer http.ResponseWriter, request *http.R
 //从一个Url中去爬取资源
 func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
-	userUuid := request.FormValue("userUuid")
-	puuid := request.FormValue("puuid")
 	url := request.FormValue("url")
-	privacyStr := request.FormValue("privacy")
+	destPath := request.FormValue("destPath")
+	userUuid := request.FormValue("userUuid")
+	filename := request.FormValue("filename")
 
 	user := this.checkUser(writer, request)
 	if user.Role != USER_ROLE_ADMINISTRATOR {
@@ -262,23 +315,17 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 
 	user = this.userDao.CheckByUuid(userUuid)
 
-	dirMatter := this.matterDao.CheckWithRootByUuid(puuid, user)
-
-	privacy := false
-	if privacyStr == TRUE {
-		privacy = true
-	}
+	dirMatter := this.matterService.CreateDirectories(user, destPath)
 
 	if url == "" || (!strings.HasPrefix(url, "http://") && !strings.HasPrefix(url, "https://")) {
 		panic("资源url必填，并且应该以http://或者https://开头")
 	}
 
-	filename := request.FormValue("filename")
 	if filename == "" {
-		panic("文件名必传")
+		panic("filename 必填")
 	}
 
-	matter := this.matterService.AtomicCrawl(url, filename, user, dirMatter, privacy)
+	matter := this.matterService.AtomicCrawl(url, filename, user, dirMatter, true)
 
 	return this.Success(matter)
 }
diff --git a/code/rest/matter_dao.go b/code/rest/matter_dao.go
index 9d5c615..d265e41 100644
--- a/code/rest/matter_dao.go
+++ b/code/rest/matter_dao.go
@@ -14,6 +14,7 @@ import (
 type MatterDao struct {
 	BaseDao
 	imageCacheDao *ImageCacheDao
+	bridgeDao     *BridgeDao
 }
 
 //初始化方法
@@ -25,6 +26,12 @@ func (this *MatterDao) Init() {
 	if b, ok := b.(*ImageCacheDao); ok {
 		this.imageCacheDao = b
 	}
+
+	b = core.CONTEXT.GetBean(this.bridgeDao)
+	if b, ok := b.(*BridgeDao); ok {
+		this.bridgeDao = b
+	}
+
 }
 
 //按照Id查询文件
@@ -220,6 +227,16 @@ func (this *MatterDao) List(puuid string, userUuid string, sortArray []builder.O
 	return matters
 }
 
+//根据uuid查找对应的Matters
+func (this *MatterDao) ListByUuids(puuids []string, sortArray []builder.OrderPair) []*Matter {
+	var matters []*Matter
+
+	db := core.CONTEXT.GetDB().Where(puuids).Order(this.GetSortString(sortArray)).Find(&matters)
+	this.PanicError(db.Error)
+
+	return matters
+}
+
 //获取某个文件夹下所有的文件和子文件
 func (this *MatterDao) Page(page int, pageSize int, puuid string, userUuid string, name string, dir string, extensions []string, sortArray []builder.OrderPair) *Pager {
 
@@ -325,6 +342,9 @@ func (this *MatterDao) Delete(matter *Matter) {
 		//删除对应的缓存图片。
 		this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
 
+		//删除所有的分享文件
+		this.bridgeDao.DeleteByMatterUuid(matter.Uuid)
+
 		//删除文件
 		err := os.Remove(matter.AbsolutePath())
 		if err != nil {
diff --git a/code/rest/matter_model.go b/code/rest/matter_model.go
index 66bcbf3..58bba23 100644
--- a/code/rest/matter_model.go
+++ b/code/rest/matter_model.go
@@ -32,7 +32,7 @@ type Matter struct {
 	Md5      string  `json:"md5" gorm:"type:varchar(45)"`
 	Size     int64   `json:"size" gorm:"type:bigint(20) not null;default:0"`
 	Privacy  bool    `json:"privacy" gorm:"type:tinyint(1) not null;default:0"`
-	Path     string  `json:"path" gorm:"type:varchar(512)"`
+	Path     string  `json:"path" gorm:"type:varchar(1024)"`
 	Times    int64   `json:"times" gorm:"type:bigint(20) not null;default:0"`
 	Parent   *Matter `json:"parent" gorm:"-"`
 }
diff --git a/code/rest/matter_service.go b/code/rest/matter_service.go
index 672f2ac..c1aa3ef 100644
--- a/code/rest/matter_service.go
+++ b/code/rest/matter_service.go
@@ -797,6 +797,10 @@ func (this *MatterService) AtomicCrawl(url string, filename string, user *User,
 		panic("资源url必填，并且应该以http://或者https://开头")
 	}
 
+	if filename == "" {
+		panic(result.BadRequest("filename cannot be null."))
+	}
+
 	//从指定的url下载一个文件。参考：https://golangcode.com/download-a-file-from-a-url/
 	resp, err := http.Get(url)
 	this.PanicError(err)
diff --git a/code/rest/share_controller.go b/code/rest/share_controller.go
index 7527d12..82353eb 100644
--- a/code/rest/share_controller.go
+++ b/code/rest/share_controller.go
@@ -54,16 +54,19 @@ func (this *ShareController) RegisterRoutes() map[string]func(writer http.Respon
 	//每个Controller需要主动注册自己的路由。
 	routeMap["/api/share/create"] = this.Wrap(this.Create, USER_ROLE_USER)
 	routeMap["/api/share/delete"] = this.Wrap(this.Delete, USER_ROLE_USER)
+	routeMap["/api/share/delete/batch"] = this.Wrap(this.DeleteBatch, USER_ROLE_USER)
 	routeMap["/api/share/detail"] = this.Wrap(this.Detail, USER_ROLE_USER)
 	routeMap["/api/share/page"] = this.Wrap(this.Page, USER_ROLE_USER)
+	routeMap["/api/share/browse"] = this.Wrap(this.Browse, USER_ROLE_GUEST)
 
 	return routeMap
 }
 
-//删除一条记录
+//创建一个分享
 func (this *ShareController) Create(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
 	matterUuids := request.FormValue("matterUuids")
+	expireInfinityStr := request.FormValue("expireInfinity")
 	expireTimeStr := request.FormValue("expireTime")
 
 	if matterUuids == "" {
@@ -71,47 +74,86 @@ func (this *ShareController) Create(writer http.ResponseWriter, request *http.Re
 	}
 
 	var expireTime time.Time
-	if expireTimeStr == "" {
-		panic(result.BadRequest("时间格式错误！"))
+	expireInfinity := false
+	if expireInfinityStr == TRUE {
+		expireInfinity = true
+		expireTime = time.Now()
 	} else {
-		expireTime = util.ConvertDateTimeStringToTime(expireTimeStr)
-	}
 
-	if expireTime.Before(time.Now()) {
-		panic(result.BadRequest("过期时间错误！"))
+		if expireTimeStr == "" {
+			panic(result.BadRequest("时间格式错误！"))
+		} else {
+			expireTime = util.ConvertDateTimeStringToTime(expireTimeStr)
+		}
+
+		if expireTime.Before(time.Now()) {
+			panic(result.BadRequest("过期时间错误！"))
+		}
+
 	}
 
 	uuidArray := strings.Split(matterUuids, ",")
 
 	if len(uuidArray) == 0 {
 		panic(result.BadRequest("请至少分享一个文件"))
+	} else if len(uuidArray) > SHARE_MAX_NUM {
+		panic(result.BadRequest("一次分享文件数不能超过 %d", SHARE_MAX_NUM))
 	}
 
+	var name string
+	shareType := SHARE_TYPE_MIX
 	user := this.checkUser(writer, request)
-	for _, uuid := range uuidArray {
+	var puuid string
+	var matters []*Matter
+	for key, uuid := range uuidArray {
 
 		matter := this.matterDao.CheckByUuid(uuid)
 
 		//判断文件的所属人是否正确
 		if matter.UserUuid != user.Uuid {
-			panic(result.Unauthorized("没有权限"))
+			panic(result.Unauthorized("不是你的文件，没有权限"))
 		}
+
+		matters = append(matters, matter)
+
+		if key == 0 {
+			puuid = matter.Puuid
+			name = matter.Name
+			if matter.Dir {
+				shareType = SHARE_TYPE_DIRECTORY
+			} else {
+				shareType = SHARE_TYPE_FILE
+			}
+		} else {
+			if matter.Puuid != puuid {
+				panic(result.Unauthorized("一次只能分享同一个文件夹中的内容"))
+			}
+		}
+
+	}
+
+	if len(uuidArray) > 1 {
+		shareType = SHARE_TYPE_MIX
+		name = name + "等"
 	}
 
 	//创建share记录
 	share := &Share{
-		UserUuid:      user.Uuid,
-		DownloadTimes: 0,
-		Code:          util.RandomString4(),
-		ExpireTime:    expireTime,
+		Name:           name,
+		ShareType:      shareType,
+		UserUuid:       user.Uuid,
+		DownloadTimes:  0,
+		Code:           util.RandomString4(),
+		ExpireInfinity: expireInfinity,
+		ExpireTime:     expireTime,
 	}
 	this.shareDao.Create(share)
 
 	//创建关联的matter
-	for _, matterUuid := range uuidArray {
+	for _, matter := range matters {
 		bridge := &Bridge{
 			ShareUuid:  share.Uuid,
-			MatterUuid: matterUuid,
+			MatterUuid: matter.Uuid,
 		}
 		this.bridgeDao.Create(bridge)
 	}
@@ -130,12 +172,42 @@ func (this *ShareController) Delete(writer http.ResponseWriter, request *http.Re
 	share := this.shareDao.FindByUuid(uuid)
 
 	if share != nil {
+
+		//删除对应的bridge.
+		this.bridgeDao.DeleteByShareUuid(share.Uuid)
+
 		this.shareDao.Delete(share)
 	}
 
 	return this.Success(nil)
 }
 
+//删除一系列分享
+func (this *ShareController) DeleteBatch(writer http.ResponseWriter, request *http.Request) *result.WebResult {
+
+	uuids := request.FormValue("uuids")
+	if uuids == "" {
+		panic(result.BadRequest("uuids必填"))
+	}
+
+	uuidArray := strings.Split(uuids, ",")
+
+	for _, uuid := range uuidArray {
+
+		imageCache := this.shareDao.FindByUuid(uuid)
+
+		//判断图片缓存的所属人是否正确
+		user := this.checkUser(writer, request)
+		if user.Role != USER_ROLE_ADMINISTRATOR && imageCache.UserUuid != user.Uuid {
+			panic(result.Unauthorized("没有权限"))
+		}
+
+		this.shareDao.Delete(imageCache)
+	}
+
+	return this.Success("删除成功！")
+}
+
 //查看详情。
 func (this *ShareController) Detail(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
@@ -196,3 +268,59 @@ func (this *ShareController) Page(writer http.ResponseWriter, request *http.Requ
 
 	return this.Success(pager)
 }
+
+//验证提取码对应的某个shareUuid是否有效
+func (this *ShareController) CheckShare(writer http.ResponseWriter, request *http.Request) *Share {
+
+	//如果是根目录，那么就传入root.
+	shareUuid := request.FormValue("shareUuid")
+	code := request.FormValue("code")
+
+	share := this.shareDao.CheckByUuid(shareUuid)
+	//如果是自己的分享，可以不要提取码
+	user := this.findUser(writer, request)
+	if user == nil {
+		if share.Code != code {
+			panic(result.Unauthorized("提取码错误！"))
+		}
+	} else {
+		if user.Uuid != share.UserUuid {
+			if share.Code != code {
+				panic(result.Unauthorized("提取码错误！"))
+			}
+		}
+	}
+
+	return share
+
+}
+
+//浏览某个分享中的文件
+func (this *ShareController) Browse(writer http.ResponseWriter, request *http.Request) *result.WebResult {
+
+	//要求传参：shareUuid,code
+	share := this.CheckShare(writer, request)
+	bridges := this.bridgeDao.ListByShareUuid(share.Uuid)
+
+	//获取对应的 matter.
+	var matters []*Matter
+	if len(bridges) != 0 {
+		uuids := make([]string, 0)
+		for _, bridge := range bridges {
+			uuids = append(uuids, bridge.MatterUuid)
+		}
+
+		sortArray := []builder.OrderPair{
+			{
+				Key:   "dir",
+				Value: DIRECTION_DESC,
+			},
+		}
+		matters = this.matterDao.ListByUuids(uuids, sortArray)
+
+		share.Matters = matters
+	}
+
+	return this.Success(share)
+
+}
diff --git a/code/rest/share_dao.go b/code/rest/share_dao.go
index e052582..e789b26 100644
--- a/code/rest/share_dao.go
+++ b/code/rest/share_dao.go
@@ -90,6 +90,7 @@ func (this *ShareDao) Delete(share *Share) {
 
 	db := core.CONTEXT.GetDB().Delete(&share)
 	this.PanicError(db.Error)
+
 }
 
 //执行清理操作
diff --git a/code/rest/share_model.go b/code/rest/share_model.go
index ffe1618..1019443 100644
--- a/code/rest/share_model.go
+++ b/code/rest/share_model.go
@@ -5,15 +5,32 @@ import (
 	"time"
 )
 
+const (
+	//单文件
+	SHARE_TYPE_FILE = "FILE"
+	//文件夹
+	SHARE_TYPE_DIRECTORY = "DIRECTORY"
+	//混合体
+	SHARE_TYPE_MIX = "MIX"
+)
+
+const (
+	SHARE_MAX_NUM = 100
+)
+
 /**
  * 分享记录
  */
 type Share struct {
 	Base
-	UserUuid      string    `json:"userUuid" gorm:"type:char(36)"`
-	DownloadTimes int64     `json:"downloadTimes" gorm:"type:bigint(20) not null;default:0"`
-	Code          string    `json:"code" gorm:"type:varchar(45) not null"`
-	ExpireTime    time.Time `json:"expireTime" gorm:"type:timestamp not null;default:'2018-01-01 00:00:00'"`
+	Name           string    `json:"name" gorm:"type:varchar(255)"`
+	ShareType      string    `json:"shareType" gorm:"type:varchar(45)"`
+	UserUuid       string    `json:"userUuid" gorm:"type:char(36)"`
+	DownloadTimes  int64     `json:"downloadTimes" gorm:"type:bigint(20) not null;default:0"`
+	Code           string    `json:"code" gorm:"type:varchar(45) not null"`
+	ExpireInfinity bool      `json:"expireInfinity" gorm:"type:tinyint(1) not null;default:0"`
+	ExpireTime     time.Time `json:"expireTime" gorm:"type:timestamp not null;default:'2018-01-01 00:00:00'"`
+	Matters        []*Matter `json:"matters" gorm:"-"`
 }
 
 // set File's table name to be `profiles`
diff --git a/code/support/tank_application.go b/code/support/tank_application.go
new file mode 100644
index 0000000..f1bd536
--- /dev/null
+++ b/code/support/tank_application.go
@@ -0,0 +1,256 @@
+package support
+
+import (
+	"flag"
+	"fmt"
+	"github.com/eyebluecn/tank/code/core"
+	"github.com/eyebluecn/tank/code/tool/result"
+	"github.com/eyebluecn/tank/code/tool/util"
+	jsoniter "github.com/json-iterator/go"
+	"golang.org/x/crypto/ssh/terminal"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+	"syscall"
+)
+
+const (
+	//启动web服务，默认是这种方式
+	MODE_WEB = "web"
+	//映射本地文件到云盘中
+	MODE_MIRROR = "mirror"
+	//将远程的一个文件爬取到蓝眼云盘中
+	MODE_CRAWL = "crawl"
+)
+
+//命令行输入相关的对象
+type TankApplication struct {
+	//模式
+	mode string
+
+	//蓝眼云盘的主机，需要带上协议和端口号。默认： http://127.0.0.1:core.DEFAULT_SERVER_PORT
+	host string
+	//用户名
+	username string
+	//密码
+	password string
+
+	//源文件/文件夹，本地绝对路径/远程资源url
+	src string
+	//目标(表示的是文件夹)路径，蓝眼云盘中的路径。相对于root的路径。
+	dest string
+	//同名文件或文件夹是否直接替换 true 全部替换； false 跳过
+	overwrite bool
+	//拉取文件存储的名称
+	filename string
+}
+
+//启动应用。可能是web形式，也可能是命令行工具。
+func (this *TankApplication) Start() {
+
+	defer func() {
+		if err := recover(); err != nil {
+			fmt.Printf("ERROR:%v\r\n", err)
+		}
+	}()
+
+	//超级管理员信息
+	modePtr := flag.String("mode", this.mode, "cli mode web/mirror/crawl")
+	hostPtr := flag.String("host", this.username, "tank host")
+	usernamePtr := flag.String("username", this.username, "username")
+	passwordPtr := flag.String("password", this.password, "password")
+	srcPtr := flag.String("src", this.src, "src absolute path")
+	destPtr := flag.String("dest", this.dest, "destination path in tank.")
+	overwritePtr := flag.Bool("overwrite", this.overwrite, "whether same file overwrite")
+	filenamePtr := flag.String("filename", this.filename, "filename when crawl")
+
+	//flag.Parse()方法必须要在使用之前调用。
+	flag.Parse()
+
+	this.mode = *modePtr
+	this.host = *hostPtr
+	this.username = *usernamePtr
+	this.password = *passwordPtr
+	this.src = *srcPtr
+	this.dest = *destPtr
+	this.overwrite = *overwritePtr
+	this.filename = *filenamePtr
+
+	//默认采用web的形式启动
+	if this.mode == "" || strings.ToLower(this.mode) == MODE_WEB {
+
+		//直接web启动
+		this.HandleWeb()
+
+	} else {
+
+		//准备蓝眼云盘地址
+		if this.host == "" {
+			this.host = fmt.Sprintf("http://127.0.0.1:%d", core.DEFAULT_SERVER_PORT)
+		}
+
+		//准备用户名
+		if this.username == "" {
+			panic(result.BadRequest("%s模式下，用户名必填", this.mode))
+		}
+
+		//准备密码
+		if this.password == "" {
+
+			if util.EnvDevelopment() {
+
+				panic(result.BadRequest("IDE中请运行请直接使用 -password yourPassword 的形式输入密码"))
+
+			} else {
+
+				fmt.Print("Enter Password:")
+				bytePassword, err := terminal.ReadPassword(int(syscall.Stdin))
+				if err != nil {
+					panic(err)
+				}
+
+				this.password = string(bytePassword)
+				fmt.Println()
+			}
+		}
+
+		if strings.ToLower(this.mode) == MODE_MIRROR {
+
+			//映射本地文件到蓝眼云盘
+			this.HandleMirror()
+
+		} else if strings.ToLower(this.mode) == MODE_CRAWL {
+
+			//将远程文件拉取到蓝眼云盘中
+			this.HandleCrawl()
+
+		} else {
+			panic(result.BadRequest("不能处理命名行模式： %s \r\n", this.mode))
+		}
+	}
+
+}
+
+//采用Web的方式启动应用
+func (this *TankApplication) HandleWeb() {
+
+	//第1步。日志
+	tankLogger := &TankLogger{}
+	core.LOGGER = tankLogger
+	tankLogger.Init()
+	defer tankLogger.Destroy()
+
+	//第2步。配置
+	tankConfig := &TankConfig{}
+	core.CONFIG = tankConfig
+	tankConfig.Init()
+
+	//第3步。全局运行的上下文
+	tankContext := &TankContext{}
+	core.CONTEXT = tankContext
+	tankContext.Init()
+	defer tankContext.Destroy()
+
+	//第4步。启动http服务
+	http.Handle("/", core.CONTEXT)
+	core.LOGGER.Info("App started at http://localhost:%v", core.CONFIG.ServerPort())
+
+	dotPort := fmt.Sprintf(":%v", core.CONFIG.ServerPort())
+	err1 := http.ListenAndServe(dotPort, nil)
+	if err1 != nil {
+		log.Fatal("ListenAndServe: ", err1)
+	}
+
+}
+
+//处理本地映射的情形
+func (this *TankApplication) HandleMirror() {
+
+	if this.src == "" {
+		panic("src 必填")
+	}
+	if this.dest == "" {
+		panic("dest 必填")
+	}
+
+	fmt.Printf("开始映射本地文件 %s 到蓝眼云盘 %s\r\n", this.src, this.dest)
+
+	urlString := fmt.Sprintf("%s/api/matter/mirror", this.host)
+
+	params := url.Values{
+		"srcPath":         {this.src},
+		"destPath":        {this.dest},
+		"overwrite":       {fmt.Sprintf("%v", this.overwrite)},
+		core.USERNAME_KEY: {this.username},
+		core.PASSWORD_KEY: {this.password},
+	}
+
+	response, err := http.PostForm(urlString, params)
+	util.PanicError(err)
+
+	bodyBytes, err := ioutil.ReadAll(response.Body)
+
+	webResult := &result.WebResult{}
+
+	err = jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(bodyBytes, webResult)
+	if err != nil {
+		fmt.Printf("返回格式错误！%s \r\n", err.Error())
+		return
+	}
+
+	if webResult.Code == result.CODE_WRAPPER_OK.Code {
+		fmt.Println("success")
+	} else {
+		fmt.Printf("error %s\r\n", webResult.Msg)
+	}
+
+}
+
+//拉取远程文件到本地。
+func (this *TankApplication) HandleCrawl() {
+
+	if this.src == "" {
+		panic("src 必填")
+	}
+	if this.dest == "" {
+		panic("dest 必填")
+	}
+
+	if this.filename == "" {
+		panic("filename 必填")
+	}
+
+	fmt.Printf("开始映射拉取远程文件 %s 到蓝眼云盘 %s\r\n", this.src, this.dest)
+
+	urlString := fmt.Sprintf("%s/api/matter/crawl", this.host)
+
+	params := url.Values{
+		"url":             {this.src},
+		"destPath":        {this.dest},
+		"filename":        {this.filename},
+		core.USERNAME_KEY: {this.username},
+		core.PASSWORD_KEY: {this.password},
+	}
+
+	response, err := http.PostForm(urlString, params)
+	util.PanicError(err)
+
+	bodyBytes, err := ioutil.ReadAll(response.Body)
+
+	webResult := &result.WebResult{}
+
+	err = jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(bodyBytes, webResult)
+	if err != nil {
+		fmt.Printf("返回格式错误！%s \r\n", err.Error())
+		return
+	}
+
+	if webResult.Code == result.CODE_WRAPPER_OK.Code {
+		fmt.Println("success")
+	} else {
+		fmt.Printf("error %s\r\n", webResult.Msg)
+	}
+
+}
diff --git a/code/support/tank_command.go b/code/support/tank_command.go
deleted file mode 100644
index 6616fa9..0000000
--- a/code/support/tank_command.go
+++ /dev/null
@@ -1,151 +0,0 @@
-package support
-
-import (
-	"flag"
-	"fmt"
-	"github.com/eyebluecn/tank/code/core"
-	"github.com/eyebluecn/tank/code/tool/result"
-	"github.com/eyebluecn/tank/code/tool/util"
-	jsoniter "github.com/json-iterator/go"
-	"golang.org/x/crypto/ssh/terminal"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"strings"
-	"syscall"
-)
-
-const (
-	//启动web服务，默认是这种方式
-	MODE_WEB = "web"
-	//映射本地文件到云盘中
-	MODE_MIRROR = "mirror"
-)
-
-//命令行输入相关的对象
-type TankCommand struct {
-	//模式
-	mode string
-
-	//蓝眼云盘的主机，需要带上协议和端口号。默认： http://127.0.0.1:core.DEFAULT_SERVER_PORT
-	host string
-	//用户名
-	username string
-	//密码
-	password string
-
-	//源文件/文件夹，本地绝对路径
-	src string
-	//目标(表示的是文件夹)路径，蓝眼云盘中的路径。相对于root的路径。
-	dest string
-	//同名文件或文件夹是否直接替换 true 全部替换； false 跳过
-	overwrite bool
-}
-
-//第三级. 从程序参数中读取配置项
-func (this *TankCommand) Cli() bool {
-
-	//超级管理员信息
-	modePtr := flag.String("mode", this.mode, "cli mode web/mirror")
-	hostPtr := flag.String("host", this.username, "tank host")
-	usernamePtr := flag.String("username", this.username, "username")
-	passwordPtr := flag.String("password", this.password, "password")
-	srcPtr := flag.String("src", this.src, "src absolute path")
-	destPtr := flag.String("dest", this.dest, "destination path in tank.")
-	overwritePtr := flag.Bool("overwrite", this.overwrite, "whether same file overwrite")
-
-	//flag.Parse()方法必须要在使用之前调用。
-	flag.Parse()
-
-	this.mode = *modePtr
-	this.host = *hostPtr
-	this.username = *usernamePtr
-	this.password = *passwordPtr
-	this.src = *srcPtr
-	this.dest = *destPtr
-	this.overwrite = *overwritePtr
-
-	//准备模式
-	if this.mode == "" || strings.ToLower(this.mode) == MODE_WEB {
-		return false
-	}
-
-	//准备蓝眼云盘地址
-	if this.host == "" {
-		this.host = fmt.Sprintf("http://127.0.0.1:%d", core.DEFAULT_SERVER_PORT)
-	}
-
-	//准备用户名
-	if this.username == "" {
-		fmt.Println("用户名必填")
-		return true
-	}
-
-	//准备密码
-	if this.password == "" {
-
-		if util.EnvDevelopment() {
-
-			fmt.Println("IDE中请运行请直接使用 -password yourPassword 的形式输入密码")
-			return true
-
-		} else {
-
-			fmt.Print("Enter Password:")
-			bytePassword, err := terminal.ReadPassword(int(syscall.Stdin))
-			if err != nil {
-				panic(err)
-			}
-
-			this.password = string(bytePassword)
-			fmt.Println()
-		}
-	}
-
-	if strings.ToLower(this.mode) == MODE_MIRROR {
-
-		this.HandleMirror()
-
-	} else {
-
-		fmt.Printf("不能处理命名行模式： %s \r\n", this.mode)
-	}
-
-	return true
-}
-
-//处理本地映射的情形
-func (this *TankCommand) HandleMirror() {
-
-	fmt.Printf("开始映射本地文件 %s 到蓝眼云盘 %s\r\n", this.src, this.dest)
-
-	urlString := fmt.Sprintf("%s/api/matter/mirror", this.host)
-
-	params := url.Values{
-		"srcPath":         {this.src},
-		"destPath":        {this.dest},
-		"overwrite":       {fmt.Sprintf("%v", this.overwrite)},
-		core.USERNAME_KEY: {this.username},
-		core.PASSWORD_KEY: {this.password},
-	}
-
-	response, err := http.PostForm(urlString, params)
-	util.PanicError(err)
-
-	bodyBytes, err := ioutil.ReadAll(response.Body)
-
-	webResult := &result.WebResult{}
-
-	err = jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(bodyBytes, webResult)
-	if err != nil {
-		fmt.Printf("返回格式错误！%s \r\n", err.Error())
-		return
-	}
-
-	if webResult.Code == result.CODE_WRAPPER_OK.Code {
-		fmt.Println("success")
-	} else {
-		fmt.Printf("error %s\r\n", webResult.Msg)
-	}
-
-}
diff --git a/code/support/tank_context.go b/code/support/tank_context.go
index 42cf352..00dfcac 100644
--- a/code/support/tank_context.go
+++ b/code/support/tank_context.go
@@ -131,7 +131,6 @@ func (this *TankContext) registerBeans() {
 	this.registerBean(new(rest.AlienService))
 
 	//bridge
-	this.registerBean(new(rest.BridgeController))
 	this.registerBean(new(rest.BridgeDao))
 	this.registerBean(new(rest.BridgeService))
 
diff --git a/code/support/tank_router.go b/code/support/tank_router.go
index b5798a7..7b023cd 100644
--- a/code/support/tank_router.go
+++ b/code/support/tank_router.go
@@ -10,6 +10,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"runtime"
 	"strings"
 	"time"
 )
@@ -72,7 +73,13 @@ func NewRouter() *TankRouter {
 func (this *TankRouter) GlobalPanicHandler(writer http.ResponseWriter, request *http.Request, startTime time.Time) {
 	if err := recover(); err != nil {
 
-		core.LOGGER.Error("错误: %v", err)
+		//控制台中打印日志，记录行号。
+		_, file, line, ok := runtime.Caller(2)
+		if !ok {
+			file = "???"
+			line = 0
+		}
+		core.LOGGER.Error("panic on %s:%d %v", util.GetFilenameOfPath(file), line, err)
 
 		var webResult *result.WebResult = nil
 		if value, ok := err.(string); ok {
diff --git a/code/tool/util/util_string.go b/code/tool/util/util_string.go
index 8fd06c0..4ab6f07 100644
--- a/code/tool/util/util_string.go
+++ b/code/tool/util/util_string.go
@@ -51,7 +51,8 @@ func RandomNumber4() string {
 //获取四位随机数字
 func RandomString4() string {
 
-	var letterRunes = []rune("abcdefghijklmnopqrstuvwxyz0123456789")
+	//0和o，l和1难以区分，剔除掉
+	var letterRunes = []rune("abcdefghijkmnpqrstuvwxyz23456789")
 
 	b := make([]rune, 4)
 	for i := range b {
diff --git a/main.go b/main.go
index 791d261..bc8d733 100644
--- a/main.go
+++ b/main.go
@@ -1,47 +1,14 @@
 package main
 
 import (
-	"fmt"
 	"github.com/eyebluecn/tank/code/core"
 	"github.com/eyebluecn/tank/code/support"
 	_ "github.com/go-sql-driver/mysql"
-	"log"
-	"net/http"
 )
 
 func main() {
 
-	//第一步。命令行工具处理
-	tankCommand := &support.TankCommand{}
-	core.COMMAND = tankCommand
-	if core.COMMAND.Cli() {
-		return
-	}
+	core.APPLICATION = &support.TankApplication{}
+	core.APPLICATION.Start()
 
-	//第二步。日志
-	tankLogger := &support.TankLogger{}
-	core.LOGGER = tankLogger
-	tankLogger.Init()
-	defer tankLogger.Destroy()
-
-	//第三步。配置
-	tankConfig := &support.TankConfig{}
-	core.CONFIG = tankConfig
-	tankConfig.Init()
-
-	//第四步。全局运行的上下文
-	tankContext := &support.TankContext{}
-	core.CONTEXT = tankContext
-	tankContext.Init()
-	defer tankContext.Destroy()
-
-	//第五步。启动http服务
-	http.Handle("/", core.CONTEXT)
-	core.LOGGER.Info("App started at http://localhost:%v", core.CONFIG.ServerPort())
-
-	dotPort := fmt.Sprintf(":%v", core.CONFIG.ServerPort())
-	err1 := http.ListenAndServe(dotPort, nil)
-	if err1 != nil {
-		log.Fatal("ListenAndServe: ", err1)
-	}
 }