diff --git a/rest/alien_controller.go b/rest/alien_controller.go
index 5385fcb..796a0f7 100644
--- a/rest/alien_controller.go
+++ b/rest/alien_controller.go
@@ -59,7 +59,6 @@ func (this *AlienController) Init() {
 	if c, ok := b.(*AlienService); ok {
 		this.alienService = c
 	}
-
 }
 
 //注册自己的路由。
@@ -199,7 +198,7 @@ func (this *AlienController) FetchUploadToken(writer http.ResponseWriter, reques
 	dir := request.FormValue("dir")
 
 	user := this.CheckRequestUser(writer, request)
-	dirUuid := this.matterService.GetDirUuid(user.Uuid, dir)
+	dirUuid, _ := this.matterService.GetDirUuid(user, dir)
 
 	mm, _ := time.ParseDuration(fmt.Sprintf("%ds", expire))
 	uploadToken := &UploadToken{
@@ -261,10 +260,15 @@ func (this *AlienController) Upload(writer http.ResponseWriter, request *http.Re
 
 	user := this.userDao.CheckByUuid(uploadToken.UserUuid)
 
-	request.ParseMultipartForm(32 << 20)
+	err := request.ParseMultipartForm(32 << 20)
+	this.PanicError(err)
+
 	file, handler, err := request.FormFile("file")
 	this.PanicError(err)
-	defer file.Close()
+	defer func() {
+		e := file.Close()
+		this.PanicError(e)
+	}()
 
 	if handler.Filename != uploadToken.Filename {
 		panic("文件名称不正确")
@@ -312,7 +316,17 @@ func (this *AlienController) CrawlToken(writer http.ResponseWriter, request *htt
 		panic("资源url必填，并且应该以http://或者https://开头")
 	}
 
-	matter := this.matterService.Crawl(url, uploadToken.Filename, user, uploadToken.FolderUuid, uploadToken.Privacy)
+	var dirPath string
+	if uploadToken.FolderUuid == MATTER_ROOT {
+
+		dirPath = "/"
+	} else {
+
+		dirMatter := this.matterDao.CheckByUuid(uploadToken.FolderUuid)
+		dirPath = dirMatter.Path
+	}
+
+	matter := this.matterService.Crawl(url, uploadToken.Filename, user, uploadToken.FolderUuid, dirPath, uploadToken.Privacy)
 
 	//更新这个uploadToken的信息.
 	uploadToken.ExpireTime = time.Now()
@@ -355,9 +369,9 @@ func (this *AlienController) CrawlDirect(writer http.ResponseWriter, request *ht
 	//文件夹路径，以 / 开头。
 	dir := request.FormValue("dir")
 	user := this.CheckRequestUser(writer, request)
-	dirUuid := this.matterService.GetDirUuid(user.Uuid, dir)
+	dirUuid, dirRelativePath := this.matterService.GetDirUuid(user, dir)
 
-	matter := this.matterService.Crawl(url, filename, user, dirUuid, privacy)
+	matter := this.matterService.Crawl(url, filename, user, dirUuid, dirRelativePath, privacy)
 
 	return this.Success(matter)
 }
@@ -412,11 +426,11 @@ func (this *AlienController) FetchDownloadToken(writer http.ResponseWriter, requ
 //预览一个文件。既可以使用登录的方式，也可以使用授权的方式
 func (this *AlienController) Preview(writer http.ResponseWriter, request *http.Request, uuid string, filename string) {
 
-	this.alienService.PreviewOrDownload(writer, request, uuid, filename,  false)
+	this.alienService.PreviewOrDownload(writer, request, uuid, filename, false)
 }
 
 //下载一个文件。既可以使用登录的方式，也可以使用授权的方式
 func (this *AlienController) Download(writer http.ResponseWriter, request *http.Request, uuid string, filename string) {
 
-	this.alienService.PreviewOrDownload(writer, request, uuid, filename,  true)
+	this.alienService.PreviewOrDownload(writer, request, uuid, filename, true)
 }
diff --git a/rest/base_model.go b/rest/base_model.go
index 5dfbe47..65c9395 100644
--- a/rest/base_model.go
+++ b/rest/base_model.go
@@ -38,7 +38,7 @@ func (this *Base) Map() map[string]interface{} {
 	return data
 }
 
-func (Base) TableName() string {
+func (this *Base) TableName() string {
 	return TABLE_PREFIX + "base"
 }
 
diff --git a/rest/dashboard_model.go b/rest/dashboard_model.go
index ec8b647..0acecc5 100644
--- a/rest/dashboard_model.go
+++ b/rest/dashboard_model.go
@@ -18,7 +18,7 @@ type Dashboard struct {
 }
 
 // set File's table name to be `profiles`
-func (Dashboard) TableName() string {
+func (this *Dashboard) TableName() string {
 	return TABLE_PREFIX + "dashboard"
 }
 
diff --git a/rest/download_token_model.go b/rest/download_token_model.go
index c4b9f3f..f572f4c 100644
--- a/rest/download_token_model.go
+++ b/rest/download_token_model.go
@@ -12,6 +12,6 @@ type DownloadToken struct {
 	Ip         string    `json:"ip" gorm:"type:varchar(128) not null"`
 }
 
-func (DownloadToken) TableName() string {
+func (this *DownloadToken) TableName() string {
 	return TABLE_PREFIX + "download_token"
 }
diff --git a/rest/footprint_model.go b/rest/footprint_model.go
index 1751da1..8dc7984 100644
--- a/rest/footprint_model.go
+++ b/rest/footprint_model.go
@@ -15,6 +15,6 @@ type Footprint struct {
 }
 
 // set File's table name to be `profiles`
-func (Footprint) TableName() string {
+func (this *Footprint) TableName() string {
 	return TABLE_PREFIX + "footprint"
 }
diff --git a/rest/image_cache_model.go b/rest/image_cache_model.go
index 74cb1e7..6066891 100644
--- a/rest/image_cache_model.go
+++ b/rest/image_cache_model.go
@@ -15,6 +15,6 @@ type ImageCache struct {
 }
 
 // set File's table name to be `profiles`
-func (ImageCache) TableName() string {
+func (this *ImageCache) TableName() string {
 	return TABLE_PREFIX + "image_cache"
 }
diff --git a/rest/image_cache_service.go b/rest/image_cache_service.go
index b23a554..407199e 100644
--- a/rest/image_cache_service.go
+++ b/rest/image_cache_service.go
@@ -168,7 +168,7 @@ func (this *ImageCacheService) ResizeImage(request *http.Request, filePath strin
 	}
 }
 
-//缓存一张处理完毕了的图片
+//缓存一张图片
 func (this *ImageCacheService) cacheImage(writer http.ResponseWriter, request *http.Request, matter *Matter) *ImageCache {
 
 	//当前的文件是否是图片，只有图片才能处理。
@@ -183,21 +183,22 @@ func (this *ImageCacheService) cacheImage(writer http.ResponseWriter, request *h
 		".gif":  imaging.GIF,
 	}
 
+	_, imageResizeM, imageResizeW, imageResizeH := this.ResizeParams(request)
+	mode := fmt.Sprintf("%s_%d_%d", imageResizeM, imageResizeW, imageResizeH)
+
 	format, ok := formats[extension]
 	if !ok {
 		panic("该图片格式不支持处理")
 	}
 
-	//resize图片
-	dstImage := this.ResizeImage(request, CONFIG.MatterPath+matter.Path)
-
 	user := this.userDao.FindByUuid(matter.UserUuid)
-	//获取文件应该存放在的物理路径的绝对路径和相对路径。
-	absolutePath, relativePath := GetUserFileDir(user.Username, true)
-	absolutePath = absolutePath + "/" + matter.Name
-	relativePath = relativePath + "/" + matter.Name
 
-	fileWriter, err := os.Create(absolutePath)
+	//resize图片
+	dstImage := this.ResizeImage(request, GetUserCacheRootDir(user.Username)+matter.Path)
+
+	cacheImagePath := GetSimpleFileName(matter.Path) + "_" + mode + extension
+
+	fileWriter, err := os.Create(cacheImagePath)
 	this.PanicError(err)
 	defer func() {
 		e := fileWriter.Close()
@@ -212,15 +213,13 @@ func (this *ImageCacheService) cacheImage(writer http.ResponseWriter, request *h
 	fileInfo, err := fileWriter.Stat()
 	this.PanicError(err)
 
-	_, imageResizeM, imageResizeW, imageResizeH := this.ResizeParams(request)
-
 	//相关信息写到缓存中去
 	imageCache := &ImageCache{
 		UserUuid:   matter.UserUuid,
 		MatterUuid: matter.Uuid,
-		Mode:       fmt.Sprintf("%s_%d_%d", imageResizeM, imageResizeW, imageResizeH),
+		Mode:       mode,
 		Size:       fileInfo.Size(),
-		Path:       relativePath,
+		Path:       cacheImagePath,
 	}
 	this.imageCacheDao.Create(imageCache)
 
diff --git a/rest/install_controller.go b/rest/install_controller.go
index 61a97d9..a52377d 100644
--- a/rest/install_controller.go
+++ b/rest/install_controller.go
@@ -188,7 +188,7 @@ 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 tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, &UploadToken{}, &User{}}
 	var installTableInfos []*InstallTableInfo
 
 	for _, iBase := range tableNames {
@@ -250,7 +250,7 @@ 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) *WebResult {
 
-	var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, UploadToken{}, &User{}}
+	var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, &UploadToken{}, &User{}}
 	var installTableInfos []*InstallTableInfo
 
 	db := this.openDbConnection(writer, request)
diff --git a/rest/matter_controller.go b/rest/matter_controller.go
index d37eb5a..cefe15c 100644
--- a/rest/matter_controller.go
+++ b/rest/matter_controller.go
@@ -116,7 +116,14 @@ func (this *MatterController) CreateDirectory(writer http.ResponseWriter, reques
 		panic("puuid必填")
 	}
 
-	path := fmt.Sprintf("/%s/%s", user.Username, name)
+	//判断同级文件夹中是否有同名的文件。
+	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, puuid, true, name)
+
+	if count > 0 {
+		this.PanicBadRequest("【" + name + "】已经存在了，请使用其他名称。")
+	}
+
+	path := fmt.Sprintf("/%s", name)
 	if puuid != MATTER_ROOT {
 		//验证目标文件夹存在。
 		this.matterDao.CheckByUuidAndUserUuid(puuid, user.Uuid)
@@ -139,21 +146,15 @@ func (this *MatterController) CreateDirectory(writer http.ResponseWriter, reques
 		}
 	}
 
-	//判断同级文件夹中是否有同名的文件。
-	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, puuid, true, name)
-
-	if count > 0 {
-		this.PanicBadRequest("【" + name + "】已经存在了，请使用其他名称。")
-	}
-
 	//磁盘中创建文件夹。
-	dirPath := MakeDirAll(CONFIG.MatterPath + path)
+	dirPath := MakeDirAll(GetUserFileRootDir(user.Username) + path)
 	this.logger.Info("Create Directory: %s", dirPath)
 
 	//数据库中创建文件夹。
 	matter := &Matter{
 		Puuid:    puuid,
 		UserUuid: user.Uuid,
+		Username: user.Username,
 		Dir:      true,
 		Name:     name,
 		Path:     path,
@@ -264,15 +265,6 @@ func (this *MatterController) Upload(writer http.ResponseWriter, request *http.R
 	}
 	user = this.userDao.CheckByUuid(userUuid)
 
-	if puuid == "" {
-		this.PanicBadRequest("puuid必填")
-	} else {
-		if puuid != MATTER_ROOT {
-			//验证puuid是否存在
-			this.matterDao.CheckByUuidAndUserUuid(puuid, userUuid)
-		}
-	}
-
 	privacy := privacyStr == TRUE
 
 	err = request.ParseMultipartForm(32 << 20)
@@ -310,12 +302,16 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 	user = this.userDao.CheckByUuid(userUuid)
 
 	puuid := request.FormValue("puuid")
+	var dirRelativePath string
 	if puuid == "" {
 		this.PanicBadRequest("puuid必填")
 	} else {
-		if puuid != MATTER_ROOT {
+		if puuid == MATTER_ROOT {
+			dirRelativePath = ""
+		} else {
 			//找出上一级的文件夹。
-			this.matterDao.CheckByUuidAndUserUuid(puuid, userUuid)
+			dirMatter := this.matterDao.CheckByUuidAndUserUuid(puuid, userUuid)
+			dirRelativePath = dirMatter.Path
 		}
 	}
 
@@ -335,7 +331,7 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 		panic("文件名必传")
 	}
 
-	matter := this.matterService.Crawl(url, filename, user, puuid, privacy)
+	matter := this.matterService.Crawl(url, filename, user, puuid, dirRelativePath, privacy)
 
 	return this.Success(matter)
 }
diff --git a/rest/matter_model.go b/rest/matter_model.go
index c36fd01..d23044c 100644
--- a/rest/matter_model.go
+++ b/rest/matter_model.go
@@ -1,8 +1,8 @@
 package rest
 
 const (
-	MATTER_ROOT    = "root"
-	MATTER_CACHE    = "cache"
+	MATTER_ROOT  = "root"
+	MATTER_CACHE = "cache"
 )
 
 /**
@@ -12,6 +12,7 @@ type Matter struct {
 	Base
 	Puuid    string  `json:"puuid" gorm:"type:char(36);index:idx_puuid"`
 	UserUuid string  `json:"userUuid" gorm:"type:char(36);index:idx_uu"`
+	Username string  `json:"username" gorm:"type:varchar(45) not null"`
 	Dir      bool    `json:"dir" gorm:"type:tinyint(1) not null;default:0"`
 	Alien    bool    `json:"alien" gorm:"type:tinyint(1) not null;default:0"`
 	Name     string  `json:"name" gorm:"type:varchar(255) not null"`
@@ -27,3 +28,9 @@ type Matter struct {
 func (Matter) TableName() string {
 	return TABLE_PREFIX + "matter"
 }
+
+
+// 获取该Matter的绝对路径。path代表的是相对路径。相对路径的根目录是 CONFIG.MatterPath
+func (this *Matter) AbsolutePath() string {
+	return CONFIG.MatterPath + this.Path
+}
diff --git a/rest/matter_service.go b/rest/matter_service.go
index f873735..224958c 100644
--- a/rest/matter_service.go
+++ b/rest/matter_service.go
@@ -40,7 +40,7 @@ func (this *MatterService) Init() {
 }
 
 //根据一个文件夹路径，找到最后一个文件夹的uuid，如果中途出错，返回err.
-func (this *MatterService) GetDirUuid(userUuid string, dir string) string {
+func (this *MatterService) GetDirUuid(user *User, dir string) (puuid string, dirRelativePath string) {
 
 	if dir == "" {
 		panic(`文件夹不能为空`)
@@ -53,7 +53,7 @@ func (this *MatterService) GetDirUuid(userUuid string, dir string) string {
 	}
 
 	if dir == "/" {
-		return MATTER_ROOT
+		return MATTER_ROOT, ""
 	}
 
 	if dir[len(dir)-1] == '/' {
@@ -67,7 +67,8 @@ func (this *MatterService) GetDirUuid(userUuid string, dir string) string {
 		panic("文件夹最多32层。")
 	}
 
-	puuid := MATTER_ROOT
+	puuid = MATTER_ROOT
+	parentRelativePath := "/"
 	for k, name := range folders {
 
 		if len(name) > 200 {
@@ -78,23 +79,26 @@ func (this *MatterService) GetDirUuid(userUuid string, dir string) string {
 			continue
 		}
 
-		matter := this.matterDao.FindByUserUuidAndPuuidAndNameAndDirTrue(userUuid, puuid, name)
+		matter := this.matterDao.FindByUserUuidAndPuuidAndNameAndDirTrue(user.Uuid, puuid, name)
 		if matter == nil {
 			//创建一个文件夹。这里一般都是通过alien接口来创建的文件夹。
 			matter = &Matter{
 				Puuid:    puuid,
-				UserUuid: userUuid,
+				UserUuid: user.Uuid,
+				Username: user.Username,
 				Dir:      true,
 				Alien:    true,
 				Name:     name,
+				Path:     parentRelativePath + "/" + name,
 			}
 			matter = this.matterDao.Create(matter)
 		}
 
 		puuid = matter.Uuid
+		parentRelativePath = matter.Path
 	}
 
-	return puuid
+	return puuid, parentRelativePath
 }
 
 //获取某个文件的详情，会把父级依次倒着装进去。如果中途出错，直接抛出异常。
@@ -124,6 +128,26 @@ func (this *MatterService) Upload(file multipart.File, user *User, puuid string,
 		panic("文件名不能超过200")
 	}
 
+	//文件夹路径
+	var dirAbsolutePath string
+	var dirRelativePath string
+	if puuid == "" {
+		this.PanicBadRequest("puuid必填")
+	} else {
+
+		if puuid == MATTER_ROOT {
+			dirAbsolutePath = GetUserFileRootDir(user.Username)
+			dirRelativePath = ""
+		} else {
+			//验证puuid是否存在
+			dirMatter := this.matterDao.CheckByUuidAndUserUuid(puuid, user.Uuid)
+
+			dirAbsolutePath = GetUserFileRootDir(user.Username) + dirMatter.Path
+			dirRelativePath = dirMatter.Path
+
+		}
+	}
+
 	//查找文件夹下面是否有同名文件。
 	matters := this.matterDao.ListByUserUuidAndPuuidAndDirAndName(user.Uuid, puuid, false, filename)
 	//如果有同名的文件，那么我们直接覆盖同名文件。
@@ -132,20 +156,19 @@ func (this *MatterService) Upload(file multipart.File, user *User, puuid string,
 	}
 
 	//获取文件应该存放在的物理路径的绝对路径和相对路径。
-	absolutePath, relativePath := GetUserFileDir(user.Username, false)
-	absolutePath = absolutePath + "/" + filename
-	relativePath = relativePath + "/" + filename
+	fileAbsolutePath := dirAbsolutePath + "/" + filename
+	fileRelativePath := dirRelativePath + "/" + filename
 
 	//如果文件已经存在了，那么直接覆盖。
-	exist, err := PathExists(absolutePath)
+	exist, err := PathExists(fileAbsolutePath)
 	this.PanicError(err)
 	if exist {
-		this.logger.Error("%s已经存在，将其删除", absolutePath)
-		removeError := os.Remove(absolutePath)
+		this.logger.Error("%s已经存在，将其删除", fileAbsolutePath)
+		removeError := os.Remove(fileAbsolutePath)
 		this.PanicError(removeError)
 	}
 
-	distFile, err := os.OpenFile(absolutePath, os.O_WRONLY|os.O_CREATE, 0777)
+	distFile, err := os.OpenFile(fileAbsolutePath, os.O_WRONLY|os.O_CREATE, 0777)
 	this.PanicError(err)
 
 	defer func() {
@@ -163,19 +186,18 @@ func (this *MatterService) Upload(file multipart.File, user *User, puuid string,
 		}
 	}
 
-
-
 	//将文件信息存入数据库中。
 	matter := &Matter{
 		Puuid:    puuid,
 		UserUuid: user.Uuid,
+		Username: user.Username,
 		Dir:      false,
 		Alien:    alien,
 		Name:     filename,
 		Md5:      "",
 		Size:     written,
 		Privacy:  privacy,
-		Path:     relativePath,
+		Path:     fileRelativePath,
 	}
 
 	matter = this.matterDao.Create(matter)
@@ -216,7 +238,7 @@ func (this *MatterService) httpDownloadFile(filepath string, url string) (int64,
 }
 
 //去指定的url中爬文件
-func (this *MatterService) Crawl(url string, filename string, user *User, puuid string, privacy bool) *Matter {
+func (this *MatterService) Crawl(url string, filename string, user *User, puuid string, dirRelativePath string, privacy bool) *Matter {
 
 	//文件名不能太长。
 	if len(filename) > 200 {
@@ -224,9 +246,8 @@ func (this *MatterService) Crawl(url string, filename string, user *User, puuid
 	}
 
 	//获取文件应该存放在的物理路径的绝对路径和相对路径。
-	absolutePath, relativePath := GetUserFileDir(user.Username, false)
-	absolutePath = absolutePath + "/" + filename
-	relativePath = relativePath + "/" + filename
+	absolutePath := GetUserFileRootDir(user.Username) + dirRelativePath + "/" + filename
+	relativePath := dirRelativePath + "/" + filename
 
 	//使用临时文件存放
 	fmt.Printf("存放于%s", absolutePath)
@@ -251,6 +272,7 @@ func (this *MatterService) Crawl(url string, filename string, user *User, puuid
 	matter := &Matter{
 		Puuid:    puuid,
 		UserUuid: user.Uuid,
+		Username: user.Username,
 		Dir:      false,
 		Alien:    false,
 		Name:     filename,
diff --git a/rest/preference_model.go b/rest/preference_model.go
index 7fe2b63..26f30d2 100644
--- a/rest/preference_model.go
+++ b/rest/preference_model.go
@@ -11,6 +11,6 @@ type Preference struct {
 }
 
 // set File's table name to be `profiles`
-func (Preference) TableName() string {
+func (this *Preference) TableName() string {
 	return TABLE_PREFIX + "preference"
 }
diff --git a/rest/session_model.go b/rest/session_model.go
index 5686ad5..a0485f0 100644
--- a/rest/session_model.go
+++ b/rest/session_model.go
@@ -12,6 +12,6 @@ type Session struct {
 }
 
 // set User's table name to be `profiles`
-func (Session) TableName() string {
+func (this *Session) TableName() string {
 	return TABLE_PREFIX + "session"
 }
diff --git a/rest/upload_token_model.go b/rest/upload_token_model.go
index 2f5a59d..ac999fc 100644
--- a/rest/upload_token_model.go
+++ b/rest/upload_token_model.go
@@ -16,6 +16,6 @@ type UploadToken struct {
 	Ip         string    `json:"ip"`
 }
 
-func (UploadToken) TableName() string {
+func (this *UploadToken) TableName() string {
 	return TABLE_PREFIX + "upload_token"
 }
diff --git a/rest/user_model.go b/rest/user_model.go
index 92c9598..94a4146 100644
--- a/rest/user_model.go
+++ b/rest/user_model.go
@@ -43,7 +43,7 @@ type User struct {
 }
 
 // set User's table name to be `profiles`
-func (User) TableName() string {
+func (this *User) TableName() string {
 	return TABLE_PREFIX + "user"
 }
 
diff --git a/rest/util_mime.go b/rest/util_mime.go
index 8bc3378..8091eb6 100644
--- a/rest/util_mime.go
+++ b/rest/util_mime.go
@@ -1,6 +1,7 @@
 package rest
 
 import (
+	"os"
 	"path/filepath"
 	"strings"
 )
@@ -626,6 +627,18 @@ func GetExtension(filename string) string {
 
 }
 
+//根据文件名字获取去除后缀的名称
+func GetSimpleFileName(filename string) string {
+
+	for i := len(filename) - 1; i >= 0 && !os.IsPathSeparator(filename[i]); i-- {
+		if filename[i] == '.' {
+			return filename[:i]
+		}
+	}
+	return filename
+
+}
+
 //根据一个后缀名获取MimeType，获取不到默认返回 "application/octet-stream"
 func GetMimeType(filename string) string {
 
diff --git a/rest/util_path.go b/rest/util_path.go
index 5618394..b01934f 100644
--- a/rest/util_path.go
+++ b/rest/util_path.go
@@ -7,7 +7,6 @@ import (
 	"os/user"
 	"path/filepath"
 	"strings"
-	"time"
 )
 
 //判断文件或文件夹是否已经存在
@@ -150,40 +149,18 @@ func GetLogPath() string {
 	return filePath
 }
 
-//获取某个用户文件应该存放的位置。这个是相对GetFilePath的路径
-//例如：/zicla/root
-func GetUserFileDir(username string, cache bool) (absolutePath string, relativePath string) {
+//获取到用户文件的根目录。
+func GetUserFileRootDir(username string) (rootDirPath string) {
 
-	filePath := CONFIG.MatterPath
+	rootDirPath = fmt.Sprintf("%s/%s/%s", CONFIG.MatterPath, username, MATTER_ROOT)
 
-	if cache {
-		//如果是缓存文件夹，那么统一放在cache这个文件夹下面
-		firstDir := MATTER_CACHE
-
-		now := time.Now()
-		datePath := now.Format("2006-01-02")
-		//毫秒时间戳
-		timestamp := now.UnixNano() / 1e6
-
-		absolutePath = fmt.Sprintf("%s/%s/%s/%s/%d", filePath, username, firstDir, datePath, timestamp)
-		relativePath = fmt.Sprintf("/%s/%s/%s/%d", username, firstDir, datePath, timestamp)
-
-	} else {
-		firstDir := MATTER_ROOT
-		absolutePath = fmt.Sprintf("%s/%s/%s", filePath, username, firstDir)
-		relativePath = fmt.Sprintf("/%s/%s", username, firstDir)
-	}
-
-	exists, err := PathExists(absolutePath)
-	if err != nil {
-		panic("判断上传文件是否存在时出错！请检查文件夹 " + filePath + " 的访问权限。")
-	}
-	if !exists {
-		err = os.MkdirAll(absolutePath, 0777)
-		if err != nil {
-			panic("创建上传文件夹时出错！")
-		}
-	}
-
-	return absolutePath, relativePath
+	return rootDirPath
+}
+
+//获取到用户缓存的根目录。
+func GetUserCacheRootDir(username string) (rootDirPath string) {
+
+	rootDirPath = fmt.Sprintf("%s/%s/%s", CONFIG.MatterPath, username, MATTER_CACHE)
+
+	return rootDirPath
 }