diff --git a/code/rest/alien_controller.go b/code/rest/alien_controller.go
index 5971a15..d1c1c2a 100644
--- a/code/rest/alien_controller.go
+++ b/code/rest/alien_controller.go
@@ -3,6 +3,7 @@ package rest
 import (
 	"fmt"
 	"github.com/eyebluecn/tank/code/core"
+	"github.com/eyebluecn/tank/code/tool/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"net/http"
@@ -120,8 +121,8 @@ func (this *AlienController) FetchUploadToken(writer http.ResponseWriter, reques
 	filename := request.FormValue("filename")
 	if filename == "" {
 		panic("文件名必填")
-	} else if m, _ := regexp.MatchString(`[<>|*?/\\]`, filename); m {
-		panic(fmt.Sprintf(`【%s】不符合要求，文件名中不能包含以下特殊符号：< > | * ? / \`, filename))
+	} else if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, filename); m {
+		panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
 	}
 
 	//什么时间后过期，默认24h
@@ -175,7 +176,7 @@ func (this *AlienController) FetchUploadToken(writer http.ResponseWriter, reques
 	dir := request.FormValue("dir")
 
 	user := this.checkUser(request)
-	dirMatter := this.matterService.CreateDirectories(user, dir)
+	dirMatter := this.matterService.CreateDirectories(request, user, dir)
 
 	mm, _ := time.ParseDuration(fmt.Sprintf("%ds", expire))
 	uploadToken := &UploadToken{
@@ -257,7 +258,7 @@ func (this *AlienController) Upload(writer http.ResponseWriter, request *http.Re
 
 	dirMatter := this.matterDao.CheckWithRootByUuid(uploadToken.FolderUuid, user)
 
-	matter := this.matterService.AtomicUpload(file, user, dirMatter, uploadToken.Filename, uploadToken.Privacy)
+	matter := this.matterService.AtomicUpload(request, file, user, dirMatter, uploadToken.Filename, uploadToken.Privacy)
 
 	//更新这个uploadToken的信息.
 	uploadToken.ExpireTime = time.Now()
@@ -294,7 +295,7 @@ func (this *AlienController) CrawlToken(writer http.ResponseWriter, request *htt
 
 	dirMatter := this.matterDao.CheckWithRootByUuid(uploadToken.FolderUuid, user)
 
-	matter := this.matterService.AtomicCrawl(url, uploadToken.Filename, user, dirMatter, uploadToken.Privacy)
+	matter := this.matterService.AtomicCrawl(request, url, uploadToken.Filename, user, dirMatter, uploadToken.Privacy)
 
 	//更新这个uploadToken的信息.
 	uploadToken.ExpireTime = time.Now()
@@ -316,8 +317,8 @@ func (this *AlienController) CrawlDirect(writer http.ResponseWriter, request *ht
 
 	if filename == "" {
 		panic("文件名必填")
-	} else if m, _ := regexp.MatchString(`[<>|*?/\\]`, filename); m {
-		panic(fmt.Sprintf(`【%s】不符合要求，文件名中不能包含以下特殊符号：< > | * ? / \`, filename))
+	} else if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, filename); m {
+		panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
 	}
 
 	var privacy bool
@@ -334,9 +335,9 @@ func (this *AlienController) CrawlDirect(writer http.ResponseWriter, request *ht
 	}
 
 	user := this.checkUser(request)
-	dirMatter := this.matterService.CreateDirectories(user, dir)
+	dirMatter := this.matterService.CreateDirectories(request, user, dir)
 
-	matter := this.matterService.AtomicCrawl(url, filename, user, dirMatter, privacy)
+	matter := this.matterService.AtomicCrawl(request, url, filename, user, dirMatter, privacy)
 
 	return this.Success(matter)
 }
diff --git a/code/rest/dav_controller.go b/code/rest/dav_controller.go
index f5aa62a..82ec0a0 100644
--- a/code/rest/dav_controller.go
+++ b/code/rest/dav_controller.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"github.com/eyebluecn/tank/code/core"
+	"github.com/eyebluecn/tank/code/tool/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"io/ioutil"
@@ -84,10 +85,10 @@ func (this *DavController) CheckCurrentUser(writer http.ResponseWriter, request
 
 	user := this.userDao.FindByUsername(username)
 	if user == nil {
-		panic(result.BadRequest("用户名或密码错误"))
+		panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordError))
 	} else {
 		if !util.MatchBcrypt(password, user.Password) {
-			panic(result.BadRequest("用户名或密码错误"))
+			panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordError))
 		}
 	}
 
@@ -108,7 +109,7 @@ func (this *DavController) HandleRoutes(writer http.ResponseWriter, request *htt
 	path := request.URL.Path
 
 	//匹配 /api/dav{subPath}
-	pattern := fmt.Sprintf(`^%s(.*)$`, WEBDAV_PREFFIX)
+	pattern := fmt.Sprintf(`^%s(.*)$`, WEBDAV_PREFIX)
 	reg := regexp.MustCompile(pattern)
 	strs := reg.FindStringSubmatch(path)
 	if len(strs) == 2 {
diff --git a/code/rest/dav_model.go b/code/rest/dav_model.go
index becea89..e20a6fe 100644
--- a/code/rest/dav_model.go
+++ b/code/rest/dav_model.go
@@ -10,7 +10,7 @@ import (
 )
 
 //访问前缀，这个是特殊入口
-var WEBDAV_PREFFIX = "/api/dav"
+var WEBDAV_PREFIX = "/api/dav"
 
 //动态的文件属性
 type LiveProp struct {
diff --git a/code/rest/dav_service.go b/code/rest/dav_service.go
index 8601c26..14633cc 100644
--- a/code/rest/dav_service.go
+++ b/code/rest/dav_service.go
@@ -59,7 +59,7 @@ func (this *DavService) ParseDepth(request *http.Request) int {
 			return 1
 		}
 	} else {
-		panic(result.BadRequest("必须指定Header Depth"))
+		panic(result.BadRequest("Header Depth cannot be null"))
 	}
 	return depth
 }
@@ -108,7 +108,7 @@ func (this *DavService) PropstatsFromXmlNames(user *User, matter *Matter, xmlNam
 	}
 
 	if len(properties) == 0 {
-		panic(result.BadRequest("请求的属性项无法解析！"))
+		panic(result.BadRequest("cannot parse request properties"))
 	}
 
 	okPropstat := dav.Propstat{Status: http.StatusOK, Props: properties}
@@ -137,7 +137,7 @@ func (this *DavService) Propstats(user *User, matter *Matter, propfind *dav.Prop
 
 	propstats := make([]dav.Propstat, 0)
 	if propfind.Propname != nil {
-		panic(result.BadRequest("propfind.Propname != nil 尚未处理"))
+		panic(result.BadRequest("TODO: propfind.Propname != nil "))
 	} else if propfind.Allprop != nil {
 
 		//TODO: 如果include中还有内容，那么包含进去。
@@ -187,7 +187,7 @@ func (this *DavService) HandlePropfind(writer http.ResponseWriter, request *http
 		fmt.Printf("处理Matter %s\n", matter.Path)
 
 		propstats := this.Propstats(user, matter, propfind)
-		path := fmt.Sprintf("%s%s", WEBDAV_PREFFIX, matter.Path)
+		path := fmt.Sprintf("%s%s", WEBDAV_PREFIX, matter.Path)
 		response := this.makePropstatResponse(path, propstats)
 
 		err := multiStatusWriter.Write(response)
@@ -234,10 +234,10 @@ func (this *DavService) HandlePut(writer http.ResponseWriter, request *http.Requ
 	//如果存在，那么先删除再说。
 	srcMatter := this.matterDao.findByUserUuidAndPath(user.Uuid, subPath)
 	if srcMatter != nil {
-		this.matterService.AtomicDelete(srcMatter)
+		this.matterService.AtomicDelete(request, srcMatter)
 	}
 
-	this.matterService.Upload(request.Body, user, dirMatter, filename, true)
+	this.matterService.Upload(request, request.Body, user, dirMatter, filename, true)
 
 }
 
@@ -249,7 +249,7 @@ func (this *DavService) HandleDelete(writer http.ResponseWriter, request *http.R
 	//寻找符合条件的matter.
 	matter := this.matterDao.CheckWithRootByPath(subPath, user)
 
-	this.matterService.AtomicDelete(matter)
+	this.matterService.AtomicDelete(request, matter)
 }
 
 //创建文件夹
@@ -263,7 +263,7 @@ func (this *DavService) HandleMkcol(writer http.ResponseWriter, request *http.Re
 	//寻找符合条件的matter.
 	dirMatter := this.matterDao.CheckWithRootByPath(dirPath, user)
 
-	this.matterService.AtomicCreateDirectory(dirMatter, thisDirName, user)
+	this.matterService.AtomicCreateDirectory(request, dirMatter, thisDirName, user)
 
 }
 
@@ -314,17 +314,17 @@ func (this *DavService) prepareMoveCopy(
 	var destinationPath string
 
 	if destinationStr == "" {
-		panic(result.BadRequest("Header Destination必填"))
+		panic(result.BadRequest("Header Destination cannot be null"))
 	}
 
 	//如果是重命名，那么就不是http开头了。
-	if strings.HasPrefix(destinationStr, WEBDAV_PREFFIX) {
+	if strings.HasPrefix(destinationStr, WEBDAV_PREFIX) {
 		fullDestinationPath = destinationStr
 	} else {
 		destinationUrl, err := url.Parse(destinationStr)
 		this.PanicError(err)
 		if destinationUrl.Host != request.Host {
-			panic(result.BadRequest("Destination Host不一致. %s  %s != %s", destinationStr, destinationUrl.Host, request.Host))
+			panic(result.BadRequest("Destination Host not the same. %s  %s != %s", destinationStr, destinationUrl.Host, request.Host))
 		}
 		fullDestinationPath = destinationUrl.Path
 	}
@@ -333,13 +333,13 @@ func (this *DavService) prepareMoveCopy(
 	fullDestinationPath = path.Clean(fullDestinationPath)
 
 	//去除前缀
-	pattern := fmt.Sprintf(`^%s(.*)$`, WEBDAV_PREFFIX)
+	pattern := fmt.Sprintf(`^%s(.*)$`, WEBDAV_PREFIX)
 	reg := regexp.MustCompile(pattern)
 	strs := reg.FindStringSubmatch(fullDestinationPath)
 	if len(strs) == 2 {
 		destinationPath = strs[1]
 	} else {
-		panic(result.BadRequest("目标前缀必须为：%s", WEBDAV_PREFFIX))
+		panic(result.BadRequest("destination prefix must be %s", WEBDAV_PREFIX))
 	}
 
 	destinationName = util.GetFilenameOfPath(destinationPath)
@@ -362,7 +362,7 @@ func (this *DavService) prepareMoveCopy(
 
 	//如果是空或者/就是请求根目录
 	if srcMatter.Uuid == MATTER_ROOT {
-		panic(result.BadRequest("你不能移动根目录！"))
+		panic(result.BadRequest("you cannot move the root directory"))
 	}
 
 	//寻找目标文件夹matter
@@ -381,9 +381,9 @@ func (this *DavService) HandleMove(writer http.ResponseWriter, request *http.Req
 	//移动到新目录中去。
 	if destinationDirPath == srcDirPath {
 		//文件夹没变化，相当于重命名。
-		this.matterService.AtomicRename(srcMatter, destinationName, user)
+		this.matterService.AtomicRename(request, srcMatter, destinationName, user)
 	} else {
-		this.matterService.AtomicMove(srcMatter, destDirMatter, overwrite)
+		this.matterService.AtomicMove(request, srcMatter, destDirMatter, overwrite)
 	}
 
 	this.logger.Info("完成移动 %s => %s", subPath, destDirMatter.Path)
@@ -397,7 +397,7 @@ func (this *DavService) HandleCopy(writer http.ResponseWriter, request *http.Req
 	srcMatter, destDirMatter, _, _, destinationName, overwrite := this.prepareMoveCopy(writer, request, user, subPath)
 
 	//复制到新目录中去。
-	this.matterService.AtomicCopy(srcMatter, destDirMatter, destinationName, overwrite)
+	this.matterService.AtomicCopy(request, srcMatter, destDirMatter, destinationName, overwrite)
 
 	this.logger.Info("完成复制 %s => %s", subPath, destDirMatter.Path)
 
@@ -406,19 +406,19 @@ func (this *DavService) HandleCopy(writer http.ResponseWriter, request *http.Req
 //加锁
 func (this *DavService) HandleLock(writer http.ResponseWriter, request *http.Request, user *User, subPath string) {
 
-	panic(result.BadRequest("不支持LOCK方法"))
+	panic(result.BadRequest("not support LOCK yet."))
 }
 
 //解锁
 func (this *DavService) HandleUnlock(writer http.ResponseWriter, request *http.Request, user *User, subPath string) {
 
-	panic(result.BadRequest("不支持UNLOCK方法"))
+	panic(result.BadRequest("not support UNLOCK yet."))
 }
 
 //修改文件属性
 func (this *DavService) HandleProppatch(writer http.ResponseWriter, request *http.Request, user *User, subPath string) {
 
-	panic(result.BadRequest("不支持PROPPATCH方法"))
+	panic(result.BadRequest("not support PROPPATCH yet."))
 }
 
 //处理所有的请求
@@ -482,7 +482,7 @@ func (this *DavService) HandleDav(writer http.ResponseWriter, request *http.Requ
 
 	} else {
 
-		panic(result.BadRequest("该方法还不支持。%s", method))
+		panic(result.BadRequest("not support %s yet.", method))
 
 	}
 
diff --git a/code/rest/image_cache_controller.go b/code/rest/image_cache_controller.go
index b9ad5f6..f346c6f 100644
--- a/code/rest/image_cache_controller.go
+++ b/code/rest/image_cache_controller.go
@@ -51,7 +51,7 @@ func (this *ImageCacheController) Detail(writer http.ResponseWriter, request *ht
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("图片缓存的uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
 	imageCache := this.imageCacheService.Detail(uuid)
@@ -125,7 +125,7 @@ func (this *ImageCacheController) Delete(writer http.ResponseWriter, request *ht
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("图片缓存的uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
 	imageCache := this.imageCacheDao.FindByUuid(uuid)
@@ -147,7 +147,7 @@ func (this *ImageCacheController) DeleteBatch(writer http.ResponseWriter, reques
 
 	uuids := request.FormValue("uuids")
 	if uuids == "" {
-		panic(result.BadRequest("图片缓存的uuids必填"))
+		panic(result.BadRequest("uuids cannot be null"))
 	}
 
 	uuidArray := strings.Split(uuids, ",")
diff --git a/code/rest/install_controller.go b/code/rest/install_controller.go
index 25405c8..45f64c1 100644
--- a/code/rest/install_controller.go
+++ b/code/rest/install_controller.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"github.com/eyebluecn/tank/code/core"
 	"github.com/eyebluecn/tank/code/tool/builder"
+	"github.com/eyebluecn/tank/code/tool/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"github.com/jinzhu/gorm"
@@ -226,10 +227,10 @@ func (this *InstallController) validateTableMetaList(tableInfoList []*InstallTab
 					strs = append(strs, v.DBName)
 				}
 
-				panic(result.BadRequest(fmt.Sprintf("%s 表的以下字段缺失：%v", tableInfo.Name, strs)))
+				panic(result.BadRequest(fmt.Sprintf("table %s miss the following fields %v", tableInfo.Name, strs)))
 			}
 		} else {
-			panic(result.BadRequest(tableInfo.Name + "表不存在"))
+			panic(result.BadRequest(tableInfo.Name + " table not exist"))
 		}
 	}
 
@@ -314,11 +315,11 @@ func (this *InstallController) CreateAdmin(writer http.ResponseWriter, request *
 
 	//验证超级管理员的信息
 	if m, _ := regexp.MatchString(`^[0-9a-zA-Z_]+$`, adminUsername); !m {
-		panic(result.BadRequest(`超级管理员用户名必填，且只能包含字母，数字和'_''`))
+		panic(result.BadRequest(`admin's username cannot oly be alphabet, number or '_'`))
 	}
 
 	if len(adminPassword) < 6 {
-		panic(result.BadRequest(`超级管理员密码长度至少为6位`))
+		panic(result.BadRequest(`admin's password at least 6 chars'`))
 	}
 
 	//检查是否有重复。
@@ -326,7 +327,7 @@ func (this *InstallController) CreateAdmin(writer http.ResponseWriter, request *
 	db2 := db.Model(&User{}).Where("username = ?", adminUsername).Count(&count2)
 	this.PanicError(db2.Error)
 	if count2 > 0 {
-		panic(result.BadRequest(`%s该用户名已存在`, adminUsername))
+		panic(result.BadRequestI18n(request, i18n.UsernameExist, adminUsername))
 	}
 
 	user := &User{}
@@ -360,24 +361,24 @@ func (this *InstallController) ValidateAdmin(writer http.ResponseWriter, request
 
 	//验证超级管理员的信息
 	if adminUsername == "" {
-		panic(result.BadRequest(`超级管理员用户名必填`))
+		panic(result.BadRequest(`admin's username cannot be null'`))
 	}
 	if len(adminPassword) < 6 {
-		panic(result.BadRequest(`超级管理员密码长度至少为6位`))
+		panic(result.BadRequest(`admin's password at least 6 chars'`))
 	}
 
 	var existUsernameUser = &User{}
 	db = db.Where(&User{Username: adminUsername}).First(existUsernameUser)
 	if db.Error != nil {
-		panic(result.BadRequest(fmt.Sprintf("%s对应的用户不存在", adminUsername)))
+		panic(result.BadRequestI18n(request, i18n.UsernameNotExist, adminUsername))
 	}
 
 	if !util.MatchBcrypt(adminPassword, existUsernameUser.Password) {
-		panic(result.BadRequest("用户名或密码错误"))
+		panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordError, adminUsername))
 	}
 
 	if existUsernameUser.Role != USER_ROLE_ADMINISTRATOR {
-		panic(result.BadRequest("该账号不是管理员"))
+		panic(result.BadRequestI18n(request, i18n.UsernameIsNotAdmin, adminUsername))
 	}
 
 	return this.Success("OK")
@@ -413,7 +414,7 @@ func (this *InstallController) Finish(writer http.ResponseWriter, request *http.
 	db1 := db.Model(&User{}).Where("role = ?", USER_ROLE_ADMINISTRATOR).Count(&count1)
 	this.PanicError(db1.Error)
 	if count1 == 0 {
-		panic(result.BadRequest(`请至少配置一名管理员`))
+		panic(result.BadRequest(`please config at least one admin user`))
 	}
 
 	//通知配置文件安装完毕。
diff --git a/code/rest/matter_controller.go b/code/rest/matter_controller.go
index 4a47cdf..94a90c9 100644
--- a/code/rest/matter_controller.go
+++ b/code/rest/matter_controller.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/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"net/http"
 	"strconv"
@@ -96,10 +97,10 @@ func (this *MatterController) Detail(writer http.ResponseWriter, request *http.R
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("文件的uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
-	matter := this.matterService.Detail(uuid)
+	matter := this.matterService.Detail(request, uuid)
 
 	//验证当前之人是否有权限查看这么详细。
 	user := this.checkUser(request)
@@ -139,12 +140,12 @@ func (this *MatterController) Page(writer http.ResponseWriter, request *http.Req
 	if shareUuid != "" {
 
 		if puuid == "" {
-			panic(result.BadRequest("puuid必填！"))
+			panic(result.BadRequest("puuid cannot be null"))
 		}
 
 		dirMatter := this.matterDao.CheckByUuid(puuid)
 		if !dirMatter.Dir {
-			panic(result.BadRequest("puuid 对应的不是文件夹"))
+			panic(result.BadRequest("puuid is not a directory"))
 		}
 
 		user := this.findUser(request)
@@ -231,7 +232,7 @@ func (this *MatterController) CreateDirectory(writer http.ResponseWriter, reques
 		dirMatter = this.matterDao.CheckByUuid(puuid)
 	}
 
-	matter := this.matterService.AtomicCreateDirectory(dirMatter, name, user)
+	matter := this.matterService.AtomicCreateDirectory(request, dirMatter, name, user)
 	return this.Success(matter)
 }
 
@@ -268,7 +269,7 @@ func (this *MatterController) Upload(writer http.ResponseWriter, request *http.R
 	dirMatter := this.matterDao.CheckWithRootByUuid(puuid, user)
 
 	//为了支持多文件同时上传
-	matter := this.matterService.Upload(file, user, dirMatter, fileName, privacy)
+	matter := this.matterService.Upload(request, file, user, dirMatter, fileName, privacy)
 
 	return this.Success(matter)
 }
@@ -282,7 +283,7 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 
 	user := this.checkUser(request)
 
-	dirMatter := this.matterService.CreateDirectories(user, destPath)
+	dirMatter := this.matterService.CreateDirectories(request, 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")
@@ -292,7 +293,7 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 		panic("filename 必填")
 	}
 
-	matter := this.matterService.AtomicCrawl(url, filename, user, dirMatter, true)
+	matter := this.matterService.AtomicCrawl(request, url, filename, user, dirMatter, true)
 
 	return this.Success(matter)
 }
@@ -302,7 +303,7 @@ func (this *MatterController) Delete(writer http.ResponseWriter, request *http.R
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("文件的uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
 	matter := this.matterDao.CheckByUuid(uuid)
@@ -313,7 +314,7 @@ func (this *MatterController) Delete(writer http.ResponseWriter, request *http.R
 		panic(result.UNAUTHORIZED)
 	}
 
-	this.matterService.AtomicDelete(matter)
+	this.matterService.AtomicDelete(request, matter)
 
 	return this.Success("删除成功！")
 }
@@ -323,7 +324,7 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 
 	uuids := request.FormValue("uuids")
 	if uuids == "" {
-		panic(result.BadRequest("文件的uuids必填"))
+		panic(result.BadRequest("uuids cannot be null"))
 	}
 
 	uuidArray := strings.Split(uuids, ",")
@@ -334,7 +335,7 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 
 		//如果matter已经是nil了，直接跳过
 		if matter == nil {
-			this.logger.Warn("%s 对应的文件记录已经不存在了", uuid)
+			this.logger.Warn("%s not exist anymore", uuid)
 			continue
 		}
 
@@ -344,7 +345,7 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 			panic(result.UNAUTHORIZED)
 		}
 
-		this.matterService.AtomicDelete(matter)
+		this.matterService.AtomicDelete(request, matter)
 
 	}
 
@@ -366,7 +367,7 @@ func (this *MatterController) Rename(writer http.ResponseWriter, request *http.R
 		panic(result.UNAUTHORIZED)
 	}
 
-	this.matterService.AtomicRename(matter, name, user)
+	this.matterService.AtomicRename(request, matter, name, user)
 
 	return this.Success(matter)
 }
@@ -407,7 +408,7 @@ func (this *MatterController) Move(writer http.ResponseWriter, request *http.Req
 	var srcUuids []string
 	//验证参数。
 	if srcUuidsStr == "" {
-		panic(result.BadRequest("srcUuids参数必填"))
+		panic(result.BadRequest("srcUuids cannot be null"))
 	} else {
 		srcUuids = strings.Split(srcUuidsStr, ",")
 	}
@@ -417,7 +418,7 @@ func (this *MatterController) Move(writer http.ResponseWriter, request *http.Req
 	//验证dest是否有问题
 	var destMatter = this.matterDao.CheckWithRootByUuid(destUuid, user)
 	if !destMatter.Dir {
-		panic(result.BadRequest("目标不是文件夹"))
+		panic(result.BadRequest("destination is not a directory"))
 	}
 
 	if destMatter.UserUuid != user.Uuid {
@@ -431,25 +432,25 @@ func (this *MatterController) Move(writer http.ResponseWriter, request *http.Req
 		srcMatter := this.matterDao.CheckByUuid(uuid)
 
 		if srcMatter.Puuid == destMatter.Uuid {
-			panic(result.BadRequest("没有进行移动，操作无效！"))
+			panic(result.BadRequest("no move, invalid operation"))
 		}
 
 		//判断同级文件夹中是否有同名的文件
 		count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, destMatter.Uuid, srcMatter.Dir, srcMatter.Name)
 
 		if count > 0 {
-			panic(result.BadRequest("【" + srcMatter.Name + "】在目标文件夹已经存在了，操作失败。"))
+			panic(result.BadRequestI18n(request, i18n.MatterExist, srcMatter.Name))
 		}
 
 		//判断和目标文件夹是否是同一个主人。
 		if srcMatter.UserUuid != destMatter.UserUuid {
-			panic("文件和目标文件夹的拥有者不是同一人")
+			panic("owner not the same")
 		}
 
 		srcMatters = append(srcMatters, srcMatter)
 	}
 
-	this.matterService.AtomicMoveBatch(srcMatters, destMatter)
+	this.matterService.AtomicMoveBatch(request, srcMatters, destMatter)
 
 	return this.Success(nil)
 }
@@ -462,7 +463,7 @@ func (this *MatterController) Mirror(writer http.ResponseWriter, request *http.R
 	overwriteStr := request.FormValue("overwrite")
 
 	if srcPath == "" {
-		panic(result.BadRequest("srcPath必填"))
+		panic(result.BadRequest("srcPath cannot be null"))
 	}
 
 	overwrite := false
@@ -472,7 +473,7 @@ func (this *MatterController) Mirror(writer http.ResponseWriter, request *http.R
 
 	user := this.userDao.checkUser(request)
 
-	this.matterService.AtomicMirror(srcPath, destPath, overwrite, user)
+	this.matterService.AtomicMirror(request, srcPath, destPath, overwrite, user)
 
 	return this.Success(nil)
 
@@ -483,7 +484,7 @@ func (this *MatterController) Zip(writer http.ResponseWriter, request *http.Requ
 
 	uuids := request.FormValue("uuids")
 	if uuids == "" {
-		panic(result.BadRequest("文件的uuids必填"))
+		panic(result.BadRequest("uuids cannot be null"))
 	}
 
 	uuidArray := strings.Split(uuids, ",")
diff --git a/code/rest/matter_dao.go b/code/rest/matter_dao.go
index 6d0bea7..bfccb3f 100644
--- a/code/rest/matter_dao.go
+++ b/code/rest/matter_dao.go
@@ -63,13 +63,13 @@ func (this *MatterDao) CheckByUuid(uuid string) *Matter {
 func (this *MatterDao) CheckWithRootByUuid(uuid string, user *User) *Matter {
 
 	if uuid == "" {
-		panic(result.BadRequest("uuid cannot be nil."))
+		panic(result.BadRequest("uuid cannot be null."))
 	}
 
 	var matter *Matter
 	if uuid == MATTER_ROOT {
 		if user == nil {
-			panic(result.BadRequest("user cannot be nil."))
+			panic(result.BadRequest("user cannot be null."))
 		}
 		matter = NewRootMatter(user)
 	} else {
@@ -85,7 +85,7 @@ func (this *MatterDao) CheckWithRootByPath(path string, user *User) *Matter {
 	var matter *Matter
 
 	if user == nil {
-		panic(result.BadRequest("user cannot be nil."))
+		panic(result.BadRequest("user cannot be null."))
 	}
 
 	//目标文件夹matter
@@ -471,11 +471,11 @@ func (this *MatterDao) findByUserUuidAndPath(userUuid string, path string) *Matt
 func (this *MatterDao) checkByUserUuidAndPath(userUuid string, path string) *Matter {
 
 	if path == "" {
-		panic(result.BadRequest("path 不能为空"))
+		panic(result.BadRequest("path cannot be null"))
 	}
 	matter := this.findByUserUuidAndPath(userUuid, path)
 	if matter == nil {
-		panic(result.NotFound("path = %s 不存在", path))
+		panic(result.NotFound("path = %s not exists", path))
 	}
 
 	return matter
diff --git a/code/rest/matter_model.go b/code/rest/matter_model.go
index 7296627..806e8f3 100644
--- a/code/rest/matter_model.go
+++ b/code/rest/matter_model.go
@@ -17,6 +17,8 @@ const (
 	MATTER_NAME_MAX_LENGTH = 200
 	//matter文件夹最大深度
 	MATTER_NAME_MAX_DEPTH = 32
+	//matter name pattern
+	MATTER_NAME_PATTERN = `[\\/:*?"<>|]`
 )
 
 /**
diff --git a/code/rest/matter_service.go b/code/rest/matter_service.go
index 5f337cd..867a0ba 100644
--- a/code/rest/matter_service.go
+++ b/code/rest/matter_service.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/eyebluecn/tank/code/core"
 	"github.com/eyebluecn/tank/code/tool/download"
+	"github.com/eyebluecn/tank/code/tool/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"io"
@@ -107,12 +108,10 @@ func (this *MatterService) DownloadZip(
 		count = count + this.matterDao.CountByUserUuidAndPath(matter.UserUuid, matter.Path)
 	}
 
-	this.logger.Info("此次下载包含文件数量 %d", count)
-
 	//文件数量判断。
 	if preference.DownloadDirMaxNum >= 0 {
 		if count > preference.DownloadDirMaxNum {
-			panic(result.BadRequest("下载包中文件数量 %d 超出限制了 %d ", count, preference.DownloadDirMaxNum))
+			panic(result.BadRequestI18n(request, i18n.MatterSelectNumExceedLimit, count, preference.DownloadDirMaxNum))
 		}
 	}
 
@@ -122,14 +121,11 @@ func (this *MatterService) DownloadZip(
 		sumSize = sumSize + this.matterDao.SumSizeByUserUuidAndPath(matter.UserUuid, matter.Path)
 	}
 
-	//验证文件夹中文件总大小。
-	this.logger.Info("此次下载大小为 %s", util.HumanFileSize(sumSize))
-
 	//判断用户自身上传大小的限制
 	//大小判断
 	if preference.DownloadDirMaxSize >= 0 {
 		if sumSize > preference.DownloadDirMaxSize {
-			panic(result.BadRequest("文件夹大小%s超出下载限制%s ", util.HumanFileSize(sumSize), util.HumanFileSize(preference.DownloadDirMaxSize)))
+			panic(result.BadRequestI18n(request, i18n.MatterSelectSizeExceedLimit, util.HumanFileSize(sumSize), util.HumanFileSize(preference.DownloadDirMaxSize)))
 		}
 	}
 
@@ -145,7 +141,7 @@ func (this *MatterService) DownloadZip(
 	destZipPath := fmt.Sprintf("%s/%s", destZipDirPath, destZipName)
 
 	//_ = util.Zip(matter.AbsolutePath(), destZipPath)
-	this.zipMatters(matters, destZipPath)
+	this.zipMatters(request, matters, destZipPath)
 
 	//下载
 	download.DownloadFile(writer, request, destZipPath, destZipName, true)
@@ -153,17 +149,17 @@ func (this *MatterService) DownloadZip(
 	//删除临时压缩文件
 	err := os.Remove(destZipPath)
 	if err != nil {
-		this.logger.Error("删除磁盘上的文件出错 %s", err.Error())
+		this.logger.Error("error while deleting zip file %s", err.Error())
 	}
 	util.DeleteEmptyDir(destZipDirPath)
 
 }
 
 //打包一系列的matter
-func (this *MatterService) zipMatters(matters []*Matter, destPath string) {
+func (this *MatterService) zipMatters(request *http.Request, matters []*Matter, destPath string) {
 
 	if util.PathExists(destPath) {
-		panic(result.BadRequest("%s 已经存在了", destPath))
+		panic(result.BadRequest("%s exists", destPath))
 	}
 
 	//要求必须是同一个父matter下的。
@@ -184,7 +180,7 @@ func (this *MatterService) zipMatters(matters []*Matter, destPath string) {
 
 	//将每个matter的children装填好
 	for _, m := range matters {
-		this.WrapChildrenDetail(m)
+		this.WrapChildrenDetail(request, m)
 	}
 
 	// 创建准备写入的文件
@@ -259,10 +255,10 @@ func (this *MatterService) zipMatters(matters []*Matter, destPath string) {
 }
 
 //删除文件
-func (this *MatterService) Delete(matter *Matter) {
+func (this *MatterService) Delete(request *http.Request, matter *Matter) {
 
 	if matter == nil {
-		panic(result.BadRequest("matter不能为nil"))
+		panic(result.BadRequest("matter cannot be nil"))
 	}
 
 	this.matterDao.Delete(matter)
@@ -272,21 +268,21 @@ func (this *MatterService) Delete(matter *Matter) {
 }
 
 //删除文件
-func (this *MatterService) AtomicDelete(matter *Matter) {
+func (this *MatterService) AtomicDelete(request *http.Request, matter *Matter) {
 
 	if matter == nil {
-		panic(result.BadRequest("matter不能为nil"))
+		panic(result.BadRequest("matter cannot be nil"))
 	}
 
 	//操作锁
 	this.userService.MatterLock(matter.UserUuid)
 	defer this.userService.MatterUnlock(matter.UserUuid)
 
-	this.Delete(matter)
+	this.Delete(request, matter)
 }
 
 //上传文件
-func (this *MatterService) Upload(file io.Reader, user *User, dirMatter *Matter, filename string, privacy bool) *Matter {
+func (this *MatterService) Upload(request *http.Request, file io.Reader, user *User, dirMatter *Matter, filename string, privacy bool) *Matter {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil."))
@@ -299,7 +295,7 @@ func (this *MatterService) Upload(file io.Reader, user *User, dirMatter *Matter,
 
 	//文件名不能太长。
 	if len(filename) > MATTER_NAME_MAX_LENGTH {
-		panic(result.BadRequest("文件名不能超过%s", MATTER_NAME_MAX_LENGTH))
+		panic(result.BadRequestI18n(request, i18n.MatterNameLengthExceedLimit, len(filename), MATTER_NAME_MAX_LENGTH))
 	}
 
 	//文件夹路径
@@ -308,7 +304,7 @@ func (this *MatterService) Upload(file io.Reader, user *User, dirMatter *Matter,
 
 	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, dirMatter.Uuid, false, filename)
 	if count > 0 {
-		panic(result.BadRequest("该目录下%s已经存在了", filename))
+		panic(result.BadRequest("%s already exists", filename))
 	}
 
 	//获取文件应该存放在的物理路径的绝对路径和相对路径。
@@ -346,7 +342,7 @@ func (this *MatterService) Upload(file io.Reader, user *User, dirMatter *Matter,
 			err = os.Remove(fileAbsolutePath)
 			this.PanicError(err)
 
-			panic(result.BadRequest("文件大小超出限制 %s > %s ", util.HumanFileSize(user.SizeLimit), util.HumanFileSize(fileSize)))
+			panic(result.BadRequest("file's size exceed the limit %s > %s ", util.HumanFileSize(user.SizeLimit), util.HumanFileSize(fileSize)))
 		}
 	}
 
@@ -373,7 +369,7 @@ func (this *MatterService) Upload(file io.Reader, user *User, dirMatter *Matter,
 }
 
 //上传文件
-func (this *MatterService) AtomicUpload(file io.Reader, user *User, dirMatter *Matter, filename string, privacy bool) *Matter {
+func (this *MatterService) AtomicUpload(request *http.Request, file io.Reader, user *User, dirMatter *Matter, filename string, privacy bool) *Matter {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil."))
@@ -383,41 +379,41 @@ func (this *MatterService) AtomicUpload(file io.Reader, user *User, dirMatter *M
 	this.userService.MatterLock(user.Uuid)
 	defer this.userService.MatterUnlock(user.Uuid)
 
-	return this.Upload(file, user, dirMatter, filename, privacy)
+	return this.Upload(request, file, user, dirMatter, filename, privacy)
 }
 
 //内部创建文件，不带操作锁。
-func (this *MatterService) createDirectory(dirMatter *Matter, name string, user *User) *Matter {
+func (this *MatterService) createDirectory(request *http.Request, dirMatter *Matter, name string, user *User) *Matter {
 
 	//父级matter必须存在
 	if dirMatter == nil {
-		panic(result.BadRequest("dirMatter必须指定"))
+		panic(result.BadRequest("dirMatter cannot be nil"))
 	}
 
 	//必须是文件夹
 	if !dirMatter.Dir {
-		panic(result.BadRequest("dirMatter必须是文件夹"))
+		panic(result.BadRequest("dirMatter must be directory"))
 	}
 
 	if dirMatter.UserUuid != user.Uuid {
 
-		panic(result.BadRequest("dirMatter的userUuid和user不一致"))
+		panic(result.BadRequest("file's user not the same"))
 	}
 
 	name = strings.TrimSpace(name)
 	//验证参数。
 	if name == "" {
-		panic(result.BadRequest("name参数必填，并且不能全是空格"))
+		panic(result.BadRequest("name cannot be blank"))
 	}
 
 	if len(name) > MATTER_NAME_MAX_LENGTH {
 
-		panic(result.BadRequest("name长度不能超过%d", MATTER_NAME_MAX_LENGTH))
+		panic(result.BadRequestI18n(request, i18n.MatterNameLengthExceedLimit, len(name), MATTER_NAME_MAX_LENGTH))
 
 	}
 
-	if m, _ := regexp.MatchString(`[<>|*?/\\]`, name); m {
-		panic(result.BadRequest(`名称中不能包含以下特殊符号：< > | * ? / \`))
+	if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, name); m {
+		panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
 	}
 
 	//判断同级文件夹中是否有同名的文件夹。存在了直接返回即可。
@@ -427,10 +423,9 @@ func (this *MatterService) createDirectory(dirMatter *Matter, name string, user
 	}
 
 	parts := strings.Split(dirMatter.Path, "/")
-	this.logger.Info("%s的层数：%d", dirMatter.Name, len(parts))
 
-	if len(parts) > 32 {
-		panic(result.BadRequest("文件夹最多%d层", MATTER_NAME_MAX_DEPTH))
+	if len(parts) > MATTER_NAME_MAX_DEPTH {
+		panic(result.BadRequestI18n(request, i18n.MatterDepthExceedLimit, len(parts), MATTER_NAME_MAX_DEPTH))
 	}
 
 	//绝对路径
@@ -459,19 +454,19 @@ func (this *MatterService) createDirectory(dirMatter *Matter, name string, user
 }
 
 //在dirMatter中创建文件夹 返回刚刚创建的这个文件夹
-func (this *MatterService) AtomicCreateDirectory(dirMatter *Matter, name string, user *User) *Matter {
+func (this *MatterService) AtomicCreateDirectory(request *http.Request, dirMatter *Matter, name string, user *User) *Matter {
 
 	//操作锁
 	this.userService.MatterLock(user.Uuid)
 	defer this.userService.MatterUnlock(user.Uuid)
 
-	matter := this.createDirectory(dirMatter, name, user)
+	matter := this.createDirectory(request, dirMatter, name, user)
 
 	return matter
 }
 
 //处理 移动和复制时可能存在的覆盖问题。
-func (this *MatterService) handleOverwrite(userUuid string, destinationPath string, overwrite bool) {
+func (this *MatterService) handleOverwrite(request *http.Request, userUuid string, destinationPath string, overwrite bool) {
 
 	//目标matter。因为有可能已经存在了
 	destMatter := this.matterDao.findByUserUuidAndPath(userUuid, destinationPath)
@@ -480,23 +475,23 @@ func (this *MatterService) handleOverwrite(userUuid string, destinationPath stri
 		//如果目标matter还存在了。
 		if overwrite {
 			//要求覆盖。那么删除。
-			this.Delete(destMatter)
+			this.Delete(request, destMatter)
 		} else {
-			panic(result.BadRequest("%s已经存在，操作失败！", destMatter.Path))
+			panic(result.BadRequestI18n(request, i18n.MatterExist, destMatter.Path))
 		}
 	}
 
 }
 
 //将一个srcMatter放置到另一个destMatter(必须为文件夹)下 不关注 overwrite 和 lock.
-func (this *MatterService) move(srcMatter *Matter, destDirMatter *Matter) {
+func (this *MatterService) move(request *http.Request, srcMatter *Matter, destDirMatter *Matter) {
 
 	if srcMatter == nil {
 		panic(result.BadRequest("srcMatter cannot be nil."))
 	}
 
 	if !destDirMatter.Dir {
-		panic(result.BadRequest("目标必须为文件夹"))
+		panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
 	}
 
 	userUuid := srcMatter.UserUuid
@@ -550,7 +545,7 @@ func (this *MatterService) move(srcMatter *Matter, destDirMatter *Matter) {
 }
 
 //将一个srcMatter放置到另一个destMatter(必须为文件夹)下
-func (this *MatterService) AtomicMove(srcMatter *Matter, destDirMatter *Matter, overwrite bool) {
+func (this *MatterService) AtomicMove(request *http.Request, srcMatter *Matter, destDirMatter *Matter, overwrite bool) {
 
 	if srcMatter == nil {
 		panic(result.BadRequest("srcMatter cannot be nil."))
@@ -564,29 +559,29 @@ func (this *MatterService) AtomicMove(srcMatter *Matter, destDirMatter *Matter,
 		panic(result.BadRequest("destDirMatter cannot be nil."))
 	}
 	if !destDirMatter.Dir {
-		panic(result.BadRequest("目标必须为文件夹"))
+		panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
 	}
 
 	//文件夹不能把自己移入到自己中，也不可以移入到自己的子文件夹下。
-	destDirMatter = this.WrapParentDetail(destDirMatter)
+	destDirMatter = this.WrapParentDetail(request, destDirMatter)
 	tmpMatter := destDirMatter
 	for tmpMatter != nil {
 		if srcMatter.Uuid == tmpMatter.Uuid {
-			panic("文件夹不能把自己移入到自己中，也不可以移入到自己的子文件夹下。")
+			panic(result.BadRequestI18n(request, i18n.MatterMoveRecursive))
 		}
 		tmpMatter = tmpMatter.Parent
 	}
 
 	//处理覆盖的问题
 	destinationPath := destDirMatter.Path + "/" + srcMatter.Name
-	this.handleOverwrite(srcMatter.UserUuid, destinationPath, overwrite)
+	this.handleOverwrite(request, srcMatter.UserUuid, destinationPath, overwrite)
 
 	//做move操作。
-	this.move(srcMatter, destDirMatter)
+	this.move(request, srcMatter, destDirMatter)
 }
 
 //将一个srcMatter放置到另一个destMatter(必须为文件夹)下
-func (this *MatterService) AtomicMoveBatch(srcMatters []*Matter, destDirMatter *Matter) {
+func (this *MatterService) AtomicMoveBatch(request *http.Request, srcMatters []*Matter, destDirMatter *Matter) {
 
 	if destDirMatter == nil {
 		panic(result.BadRequest("destDirMatter cannot be nil."))
@@ -601,11 +596,11 @@ func (this *MatterService) AtomicMoveBatch(srcMatters []*Matter, destDirMatter *
 	}
 
 	if !destDirMatter.Dir {
-		panic(result.BadRequest("目标必须为文件夹"))
+		panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
 	}
 
 	//文件夹不能把自己移入到自己中，也不可以移入到自己的子文件夹下。
-	destDirMatter = this.WrapParentDetail(destDirMatter)
+	destDirMatter = this.WrapParentDetail(request, destDirMatter)
 	for _, srcMatter := range srcMatters {
 
 		tmpMatter := destDirMatter
@@ -618,13 +613,13 @@ func (this *MatterService) AtomicMoveBatch(srcMatters []*Matter, destDirMatter *
 	}
 
 	for _, srcMatter := range srcMatters {
-		this.move(srcMatter, destDirMatter)
+		this.move(request, srcMatter, destDirMatter)
 	}
 
 }
 
 //内部移动一个文件(提供给Copy调用)，无需关心overwrite问题。
-func (this *MatterService) copy(srcMatter *Matter, destDirMatter *Matter, name string) {
+func (this *MatterService) copy(request *http.Request, srcMatter *Matter, destDirMatter *Matter, name string) {
 
 	if srcMatter.Dir {
 
@@ -648,7 +643,7 @@ func (this *MatterService) copy(srcMatter *Matter, destDirMatter *Matter, name s
 		//复制子文件或文件夹
 		matters := this.matterDao.ListByPuuidAndUserUuid(srcMatter.Uuid, srcMatter.UserUuid, nil)
 		for _, m := range matters {
-			this.copy(m, newMatter, m.Name)
+			this.copy(request, m, newMatter, m.Name)
 		}
 
 	} else {
@@ -678,7 +673,7 @@ func (this *MatterService) copy(srcMatter *Matter, destDirMatter *Matter, name s
 }
 
 //将一个srcMatter复制到另一个destMatter(必须为文件夹)下，名字叫做name
-func (this *MatterService) AtomicCopy(srcMatter *Matter, destDirMatter *Matter, name string, overwrite bool) {
+func (this *MatterService) AtomicCopy(request *http.Request, srcMatter *Matter, destDirMatter *Matter, name string, overwrite bool) {
 
 	if srcMatter == nil {
 		panic(result.BadRequest("srcMatter cannot be nil."))
@@ -689,17 +684,17 @@ func (this *MatterService) AtomicCopy(srcMatter *Matter, destDirMatter *Matter,
 	defer this.userService.MatterUnlock(srcMatter.UserUuid)
 
 	if !destDirMatter.Dir {
-		panic(result.BadRequest("目标必须为文件夹"))
+		panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
 	}
 
 	destinationPath := destDirMatter.Path + "/" + name
-	this.handleOverwrite(srcMatter.UserUuid, destinationPath, overwrite)
+	this.handleOverwrite(request, srcMatter.UserUuid, destinationPath, overwrite)
 
-	this.copy(srcMatter, destDirMatter, name)
+	this.copy(request, srcMatter, destDirMatter, name)
 }
 
 //将一个matter 重命名为 name
-func (this *MatterService) AtomicRename(matter *Matter, name string, user *User) {
+func (this *MatterService) AtomicRename(request *http.Request, matter *Matter, name string, user *User) {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil"))
@@ -711,25 +706,27 @@ func (this *MatterService) AtomicRename(matter *Matter, name string, user *User)
 
 	//验证参数。
 	if name == "" {
-		panic(result.BadRequest("name参数必填"))
+		panic(result.BadRequest("name cannot be null"))
 	}
-	if m, _ := regexp.MatchString(`[<>|*?/\\]`, name); m {
-		panic(result.BadRequest(`名称中不能包含以下特殊符号：< > | * ? / \`))
+	if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, name); m {
+		panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
 	}
 
-	if len(name) > 200 {
-		panic("name长度不能超过200")
+	//文件名不能太长。
+	if len(name) > MATTER_NAME_MAX_LENGTH {
+		panic(result.BadRequestI18n(request, i18n.MatterNameLengthExceedLimit, len(name), MATTER_NAME_MAX_LENGTH))
 	}
 
 	if name == matter.Name {
-		panic(result.BadRequest("新名称和旧名称一样，操作失败！"))
+		panic(result.BadRequestI18n(request, i18n.MatterNameNoChange))
 	}
 
 	//判断同级文件夹中是否有同名的文件
 	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, matter.Puuid, matter.Dir, name)
 
 	if count > 0 {
-		panic(result.BadRequest("【" + name + "】已经存在了，请使用其他名称。"))
+
+		panic(result.BadRequestI18n(request, i18n.MatterExist, name))
 	}
 
 	if matter.Dir {
@@ -781,7 +778,7 @@ func (this *MatterService) AtomicRename(matter *Matter, name string, user *User)
 }
 
 //将本地文件映射到蓝眼云盘中去。
-func (this *MatterService) AtomicMirror(srcPath string, destPath string, overwrite bool, user *User) {
+func (this *MatterService) AtomicMirror(request *http.Request, srcPath string, destPath string, overwrite bool, user *User) {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil"))
@@ -793,16 +790,16 @@ func (this *MatterService) AtomicMirror(srcPath string, destPath string, overwri
 
 	//验证参数。
 	if destPath == "" {
-		panic(result.BadRequest("dest 参数必填"))
+		panic(result.BadRequest("dest cannot be null"))
 	}
 
-	destDirMatter := this.CreateDirectories(user, destPath)
+	destDirMatter := this.CreateDirectories(request, user, destPath)
 
-	this.mirror(srcPath, destDirMatter, overwrite, user)
+	this.mirror(request, srcPath, destDirMatter, overwrite, user)
 }
 
 //将本地文件/文件夹映射到蓝眼云盘中去。
-func (this *MatterService) mirror(srcPath string, destDirMatter *Matter, overwrite bool, user *User) {
+func (this *MatterService) mirror(request *http.Request, srcPath string, destDirMatter *Matter, overwrite bool, user *User) {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil"))
@@ -828,7 +825,7 @@ func (this *MatterService) mirror(srcPath string, destDirMatter *Matter, overwri
 		srcDirMatter := this.matterDao.FindByUserUuidAndPuuidAndDirAndName(user.Uuid, destDirMatter.Uuid, true, fileStat.Name())
 
 		if srcDirMatter == nil {
-			srcDirMatter = this.createDirectory(destDirMatter, fileStat.Name(), user)
+			srcDirMatter = this.createDirectory(request, destDirMatter, fileStat.Name(), user)
 		}
 
 		fileInfos, err := ioutil.ReadDir(srcPath)
@@ -838,7 +835,7 @@ func (this *MatterService) mirror(srcPath string, destDirMatter *Matter, overwri
 		for _, fileInfo := range fileInfos {
 
 			path := fmt.Sprintf("%s/%s", srcPath, fileInfo.Name())
-			this.mirror(path, srcDirMatter, overwrite, user)
+			this.mirror(request, path, srcDirMatter, overwrite, user)
 		}
 
 	} else {
@@ -848,7 +845,7 @@ func (this *MatterService) mirror(srcPath string, destDirMatter *Matter, overwri
 		if matter != nil {
 			//如果是覆盖，那么删除之前的文件
 			if overwrite {
-				this.Delete(matter)
+				this.Delete(request, matter)
 			} else {
 				//直接完成。
 				return
@@ -863,14 +860,14 @@ func (this *MatterService) mirror(srcPath string, destDirMatter *Matter, overwri
 			this.PanicError(err)
 		}()
 
-		this.Upload(file, user, destDirMatter, fileStat.Name(), true)
+		this.Upload(request, file, user, destDirMatter, fileStat.Name(), true)
 
 	}
 
 }
 
 //根据一个文件夹路径，依次创建，找到最后一个文件夹的matter，如果中途出错，返回err. 如果存在了那就直接返回即可。
-func (this *MatterService) CreateDirectories(user *User, dirPath string) *Matter {
+func (this *MatterService) CreateDirectories(request *http.Request, user *User, dirPath string) *Matter {
 
 	if dirPath == "" {
 		panic(`文件夹不能为空`)
@@ -878,8 +875,8 @@ func (this *MatterService) CreateDirectories(user *User, dirPath string) *Matter
 		panic(`文件夹必须以/开头`)
 	} else if strings.Index(dirPath, "//") != -1 {
 		panic(`文件夹不能出现连续的//`)
-	} else if m, _ := regexp.MatchString(`[<>|*?\\]`, dirPath); m {
-		panic(`文件夹中不能包含以下特殊符号：< > | * ? \`)
+	} else if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, dirPath); m {
+		panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
 	}
 
 	if dirPath == "/" {
@@ -895,7 +892,7 @@ func (this *MatterService) CreateDirectories(user *User, dirPath string) *Matter
 	folders := strings.Split(dirPath, "/")
 
 	if len(folders) > MATTER_NAME_MAX_DEPTH {
-		panic(result.BadRequest("文件夹最多%d层。", MATTER_NAME_MAX_DEPTH))
+		panic(result.BadRequestI18n(request, i18n.MatterDepthExceedLimit, len(folders), MATTER_NAME_MAX_DEPTH))
 	}
 
 	var dirMatter *Matter
@@ -907,14 +904,14 @@ func (this *MatterService) CreateDirectories(user *User, dirPath string) *Matter
 			continue
 		}
 
-		dirMatter = this.createDirectory(dirMatter, name, user)
+		dirMatter = this.createDirectory(request, dirMatter, name, user)
 	}
 
 	return dirMatter
 }
 
 //包装某个matter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。
-func (this *MatterService) WrapParentDetail(matter *Matter) *Matter {
+func (this *MatterService) WrapParentDetail(request *http.Request, matter *Matter) *Matter {
 
 	if matter == nil {
 		panic(result.BadRequest("matter cannot be nil."))
@@ -934,7 +931,7 @@ func (this *MatterService) WrapParentDetail(matter *Matter) *Matter {
 }
 
 //包装某个matter的详情。会把子级依次装进去。如果中途出错，直接抛出异常。
-func (this *MatterService) WrapChildrenDetail(matter *Matter) {
+func (this *MatterService) WrapChildrenDetail(request *http.Request, matter *Matter) {
 
 	if matter == nil {
 		panic(result.BadRequest("matter cannot be nil."))
@@ -946,20 +943,20 @@ func (this *MatterService) WrapChildrenDetail(matter *Matter) {
 		matter.Children = children
 
 		for _, child := range matter.Children {
-			this.WrapChildrenDetail(child)
+			this.WrapChildrenDetail(request, child)
 		}
 	}
 
 }
 
 //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。
-func (this *MatterService) Detail(uuid string) *Matter {
+func (this *MatterService) Detail(request *http.Request, uuid string) *Matter {
 	matter := this.matterDao.CheckByUuid(uuid)
-	return this.WrapParentDetail(matter)
+	return this.WrapParentDetail(request, matter)
 }
 
 //去指定的url中爬文件
-func (this *MatterService) AtomicCrawl(url string, filename string, user *User, dirMatter *Matter, privacy bool) *Matter {
+func (this *MatterService) AtomicCrawl(request *http.Request, url string, filename string, user *User, dirMatter *Matter, privacy bool) *Matter {
 
 	if user == nil {
 		panic(result.BadRequest("user cannot be nil."))
@@ -970,7 +967,7 @@ func (this *MatterService) AtomicCrawl(url string, filename string, user *User,
 	defer this.userService.MatterUnlock(user.Uuid)
 
 	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")
+		panic(`url must start with http:// or https://`)
 	}
 
 	if filename == "" {
@@ -981,7 +978,7 @@ func (this *MatterService) AtomicCrawl(url string, filename string, user *User,
 	resp, err := http.Get(url)
 	this.PanicError(err)
 
-	return this.Upload(resp.Body, user, dirMatter, filename, privacy)
+	return this.Upload(request, resp.Body, user, dirMatter, filename, privacy)
 }
 
 //调整一个Matter的path值
diff --git a/code/rest/preference_controller.go b/code/rest/preference_controller.go
index 3e1d1e5..5634abe 100644
--- a/code/rest/preference_controller.go
+++ b/code/rest/preference_controller.go
@@ -136,7 +136,7 @@ func (this *PreferenceController) SystemCleanup(writer http.ResponseWriter, requ
 	password := request.FormValue("password")
 
 	if !util.MatchBcrypt(password, user.Password) {
-		panic(result.BadRequest("密码错误，不能执行！"))
+		panic(result.BadRequest("password error"))
 	}
 
 	//清空系统
diff --git a/code/rest/share_controller.go b/code/rest/share_controller.go
index 4c3f965..b803077 100644
--- a/code/rest/share_controller.go
+++ b/code/rest/share_controller.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/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"net/http"
@@ -77,7 +78,7 @@ func (this *ShareController) Create(writer http.ResponseWriter, request *http.Re
 	expireTimeStr := request.FormValue("expireTime")
 
 	if matterUuids == "" {
-		panic(result.BadRequest("matterUuids必填"))
+		panic(result.BadRequest("matterUuids cannot be null"))
 	}
 
 	var expireTime time.Time
@@ -88,13 +89,13 @@ func (this *ShareController) Create(writer http.ResponseWriter, request *http.Re
 	} else {
 
 		if expireTimeStr == "" {
-			panic(result.BadRequest("时间格式错误！"))
+			panic(result.BadRequest("time format error"))
 		} else {
 			expireTime = util.ConvertDateTimeStringToTime(expireTimeStr)
 		}
 
 		if expireTime.Before(time.Now()) {
-			panic(result.BadRequest("过期时间错误！"))
+			panic(result.BadRequest("expire time cannot before now"))
 		}
 
 	}
@@ -102,9 +103,9 @@ func (this *ShareController) Create(writer http.ResponseWriter, request *http.Re
 	uuidArray := strings.Split(matterUuids, ",")
 
 	if len(uuidArray) == 0 {
-		panic(result.BadRequest("请至少分享一个文件"))
+		panic(result.BadRequest("share at least one file"))
 	} 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))
+		panic(result.BadRequestI18n(request, i18n.ShareNumExceedLimit, len(uuidArray), SHARE_MAX_NUM))
 	}
 
 	var name string
@@ -174,7 +175,7 @@ func (this *ShareController) Delete(writer http.ResponseWriter, request *http.Re
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
 	share := this.shareDao.FindByUuid(uuid)
@@ -195,7 +196,7 @@ func (this *ShareController) DeleteBatch(writer http.ResponseWriter, request *ht
 
 	uuids := request.FormValue("uuids")
 	if uuids == "" {
-		panic(result.BadRequest("uuids必填"))
+		panic(result.BadRequest("uuids cannot be null"))
 	}
 
 	uuidArray := strings.Split(uuids, ",")
@@ -221,7 +222,7 @@ func (this *ShareController) Detail(writer http.ResponseWriter, request *http.Re
 
 	uuid := request.FormValue("uuid")
 	if uuid == "" {
-		panic(result.BadRequest("分享的uuid必填"))
+		panic(result.BadRequest("uuid cannot be null"))
 	}
 
 	share := this.shareDao.CheckByUuid(uuid)
@@ -327,12 +328,12 @@ func (this *ShareController) Browse(writer http.ResponseWriter, request *http.Re
 			dirMatter := this.matterDao.CheckByUuid(puuid)
 			share.DirMatter = dirMatter
 		} else {
-			dirMatter := this.matterService.Detail(puuid)
+			dirMatter := this.matterService.Detail(request, puuid)
 
 			//验证 shareRootMatter是否在被分享。
 			shareRootMatter := this.matterDao.CheckByUuid(rootUuid)
 			if !shareRootMatter.Dir {
-				panic(result.BadRequest("只有文件夹可以浏览！"))
+				panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
 			}
 			this.bridgeDao.CheckByShareUuidAndMatterUuid(share.Uuid, shareRootMatter.Uuid)
 
@@ -349,7 +350,7 @@ func (this *ShareController) Browse(writer http.ResponseWriter, request *http.Re
 			}
 
 			if !find {
-				panic(result.BadRequest("rootUuid不是分享的根目录"))
+				panic(result.BadRequest("rootUuid is not the root of share."))
 			}
 
 			share.DirMatter = dirMatter
diff --git a/code/rest/share_service.go b/code/rest/share_service.go
index 4c98bb0..e0e42fe 100644
--- a/code/rest/share_service.go
+++ b/code/rest/share_service.go
@@ -65,12 +65,11 @@ func (this *ShareService) CheckShare(shareUuid string, code string, user *User)
 		} else {
 			if !share.ExpireInfinity {
 				if share.ExpireTime.Before(time.Now()) {
-					panic(result.BadRequest("分享已过期"))
+					panic(result.BadRequest("share expired"))
 				}
 			}
 		}
 	}
-
 	return share
 }
 
@@ -106,7 +105,7 @@ func (this *ShareService) ValidateMatter(shareUuid string, code string, user *Us
 		//保证 puuid对应的matter是shareRootMatter的子文件夹。
 		child := strings.HasPrefix(matter.Path, shareRootMatter.Path)
 		if !child {
-			panic(result.Unauthorized("%s 不是 %s 的子文件夹！", matter.Uuid, shareRootUuid))
+			panic(result.BadRequest("%s is not %s's children", matter.Uuid, shareRootUuid))
 		}
 	}
 
diff --git a/code/rest/user_controller.go b/code/rest/user_controller.go
index bc21ff9..041c041 100644
--- a/code/rest/user_controller.go
+++ b/code/rest/user_controller.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/i18n"
 	"github.com/eyebluecn/tank/code/tool/result"
 	"github.com/eyebluecn/tank/code/tool/util"
 	"net/http"
@@ -87,20 +88,17 @@ func (this *UserController) Login(writer http.ResponseWriter, request *http.Requ
 	password := request.FormValue("password")
 
 	if "" == username || "" == password {
-
-		panic(result.BadRequest("请输入用户名和密码"))
+		panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordCannotNull))
 	}
 
 	user := this.userDao.FindByUsername(username)
 	if user == nil {
-		panic(result.BadRequest("用户名或密码错误"))
+		panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordError))
 	}
 
 	if !util.MatchBcrypt(password, user.Password) {
-
-		panic(result.BadRequest("用户名或密码错误"))
+		panic(result.BadRequestI18n(request, i18n.UsernameOrPasswordError))
 	}
-
 	this.innerLogin(writer, request, user)
 
 	return this.Success(user)
@@ -111,15 +109,15 @@ func (this *UserController) AuthenticationLogin(writer http.ResponseWriter, requ
 
 	authentication := request.FormValue("authentication")
 	if authentication == "" {
-		panic(result.BadRequest("authentication 必填"))
+		panic(result.BadRequest("authentication cannot be null"))
 	}
 	session := this.sessionDao.FindByUuid(authentication)
 	if session == nil {
-		panic(result.BadRequest("authentication 错误"))
+		panic(result.BadRequest("authentication error"))
 	}
 	duration := session.ExpireTime.Sub(time.Now())
 	if duration <= 0 {
-		panic(result.BadRequest("登录信息已过期"))
+		panic(result.BadRequest("login info has expired"))
 	}
 
 	user := this.userDao.CheckByUuid(session.UserUuid)
@@ -135,20 +133,20 @@ func (this *UserController) Register(writer http.ResponseWriter, request *http.R
 
 	preference := this.preferenceService.Fetch()
 	if !preference.AllowRegister {
-		panic(result.Unauthorized("管理员已禁用自主注册！"))
+		panic(result.BadRequestI18n(request, i18n.UserRegisterNotAllowd))
 	}
 
 	if m, _ := regexp.MatchString(`^[0-9a-zA-Z_]+$`, username); !m {
-		panic(`用户名必填，且只能包含字母，数字和'_''`)
+		panic(result.BadRequestI18n(request, i18n.UsernameError))
 	}
 
 	if len(password) < 6 {
-		panic(`密码长度至少为6位`)
+		panic(result.BadRequestI18n(request, i18n.UserPasswordLengthError))
 	}
 
 	//判断重名。
 	if this.userDao.CountByUsername(username) > 0 {
-		panic(result.BadRequest("%s已经被使用，请更换。", username))
+		panic(result.BadRequestI18n(request, i18n.UsernameExist, username))
 	}
 
 	user := &User{
@@ -193,7 +191,7 @@ func (this *UserController) Edit(writer http.ResponseWriter, request *http.Reque
 		user.SizeLimit = sizeLimit
 	} else {
 		if currentUser.Uuid != uuid {
-			panic(result.Unauthorized("没有权限"))
+			panic(result.UNAUTHORIZED)
 		}
 	}
 
@@ -354,7 +352,7 @@ func (this *UserController) ChangePassword(writer http.ResponseWriter, request *
 	oldPassword := request.FormValue("oldPassword")
 	newPassword := request.FormValue("newPassword")
 	if oldPassword == "" || newPassword == "" {
-		panic(result.BadRequest("旧密码和新密码都不能为空"))
+		panic(result.BadRequest("oldPassword and newPassword cannot be null"))
 	}
 
 	user := this.checkUser(request)
@@ -365,7 +363,7 @@ func (this *UserController) ChangePassword(writer http.ResponseWriter, request *
 	}
 
 	if !util.MatchBcrypt(oldPassword, user.Password) {
-		panic(result.BadRequest("旧密码不正确！"))
+		panic(result.BadRequestI18n(request, i18n.UserOldPasswordError))
 	}
 
 	user.Password = util.GetBcrypt(newPassword)
@@ -381,16 +379,16 @@ func (this *UserController) ResetPassword(writer http.ResponseWriter, request *h
 	userUuid := request.FormValue("userUuid")
 	password := request.FormValue("password")
 	if userUuid == "" {
-		panic(result.BadRequest("用户不能为空"))
+		panic(result.BadRequest("userUuid cannot be null"))
 	}
 	if password == "" {
-		panic(result.BadRequest("密码不能为空"))
+		panic(result.BadRequest("password cannot be null"))
 	}
 
 	currentUser := this.checkUser(request)
 
 	if currentUser.Role != USER_ROLE_ADMINISTRATOR {
-		panic(result.Unauthorized("没有权限"))
+		panic(result.UNAUTHORIZED)
 	}
 
 	user := this.userDao.CheckByUuid(userUuid)
diff --git a/code/rest/user_service.go b/code/rest/user_service.go
index 4edc576..cb24bbe 100644
--- a/code/rest/user_service.go
+++ b/code/rest/user_service.go
@@ -46,12 +46,12 @@ func (this *UserService) MatterLock(userUuid string) {
 	//去缓存中捞取
 	cacheItem, err := this.locker.Value(userUuid)
 	if err != nil {
-		this.logger.Error("获取缓存时出错了" + err.Error())
+		this.logger.Error("error while get cache" + err.Error())
 	}
 
 	//当前被锁住了。
 	if cacheItem != nil && cacheItem.Data() != nil {
-		panic(result.BadRequest("当前正在进行文件操作，请稍后再试！"))
+		panic(result.BadRequest("file is being operating, retry later"))
 	}
 
 	//添加一把新锁，有效期为12小时
diff --git a/code/tool/i18n/i18n.go b/code/tool/i18n/i18n.go
index f7712c9..2bb3eeb 100644
--- a/code/tool/i18n/i18n.go
+++ b/code/tool/i18n/i18n.go
@@ -1,16 +1,69 @@
 package i18n
 
-const (
-	//英文
-	ENGLISH = "ENGLISH"
-	//中文
-	CHINESE = "CHINESE"
+import (
+	"golang.org/x/text/language"
+	"net/http"
 )
 
-func Message(lang string, key string) {
-	if lang == ENGLISH {
+const (
+	LANG_KEY = "_lang"
+)
 
-	} else if lang == CHINESE {
+var matcher = language.NewMatcher([]language.Tag{
+	// The first language is used as fallback.
+	language.English,
+	language.Chinese,
+})
+
+type Item struct {
+	English string
+	Chinese string
+}
+
+var (
+	UsernameOrPasswordCannotNull   = &Item{English: `username or password cannot be null`, Chinese: `用户名或密码不能为空`}
+	UsernameOrPasswordError        = &Item{English: `username or password error`, Chinese: `用户名或密码错误`}
+	UsernameExist                  = &Item{English: `username "%s" exists`, Chinese: `用户名"%s"已存在`}
+	UsernameNotExist               = &Item{English: `username "%s" not exists`, Chinese: `用户名"%s"不存在`}
+	UsernameIsNotAdmin             = &Item{English: `username "%s" is not admin user`, Chinese: `用户名"%s"不是管理员账号`}
+	UsernameError                  = &Item{English: `username can only be letters, numbers or _`, Chinese: `用户名必填，且只能包含字母，数字和'_'`}
+	UserRegisterNotAllowd          = &Item{English: `admin has banned register`, Chinese: `管理员已禁用自主注册`}
+	UserPasswordLengthError        = &Item{English: `password at least 6 chars`, Chinese: `密码长度至少为6位`}
+	UserOldPasswordError           = &Item{English: `old password error`, Chinese: `旧密码不正确`}
+	MatterDestinationMustDirectory = &Item{English: `destination must be directory'`, Chinese: `目标对象只能是文件夹。`}
+	MatterExist                    = &Item{English: `"%s" already exists, invalid operation`, Chinese: `"%s" 已经存在了，操作无效`}
+	MatterDepthExceedLimit         = &Item{English: `directory's depth exceed the limit %d > %d`, Chinese: `文件加层数超过限制 %d > %d `}
+	MatterNameLengthExceedLimit    = &Item{English: `filename's length exceed the limit %d > %d`, Chinese: `文件名称长度超过限制 %d > %d `}
+	MatterSelectNumExceedLimit     = &Item{English: `selected files' num exceed the limit %d > %d`, Chinese: `选择的文件数量超出限制了 %d > %d `}
+	MatterSelectSizeExceedLimit    = &Item{English: `selected files' size exceed the limit %s > %s`, Chinese: `选择的文件大小超出限制了 %s > %s `}
+	MatterNameContainSpecialChars  = &Item{English: `file name cannot contain special chars \ / : * ? " < > |"`, Chinese: `名称中不能包含以下特殊符号：\ / : * ? " < > |`}
+	MatterMoveRecursive            = &Item{English: `directory cannot be moved to itself or its children`, Chinese: `文件夹不能把自己移入到自己中，也不可以移入到自己的子文件夹下。`}
+	MatterNameNoChange             = &Item{English: `filename not change, invalid operation`, Chinese: `文件名没有改变，操作无效！`}
+	ShareNumExceedLimit            = &Item{English: `sharing files' num exceed the limit %d > %d`, Chinese: `一次分享的文件数量超出限制了 %d > %d `}
+)
+
+func (this *Item) Message(request *http.Request) string {
+
+	if request == nil {
+		return this.English
+	}
+
+	lang, _ := request.Cookie(LANG_KEY)
+	formLangStr := request.FormValue(LANG_KEY)
+	acceptLangStr := request.Header.Get("Accept-Language")
+	var cookieLangStr string
+	if lang != nil {
+		cookieLangStr = lang.Value
+	}
+	tag, _ := language.MatchStrings(matcher, cookieLangStr, formLangStr, acceptLangStr)
+
+	tagBase, _ := tag.Base()
+	chineseBase, _ := language.Chinese.Base()
+
+	if tagBase == chineseBase {
+		return this.Chinese
+	} else {
+		return this.English
+	}
 
-	}
 }
diff --git a/code/tool/result/web_result.go b/code/tool/result/web_result.go
index b5c2a7b..d9538e2 100644
--- a/code/tool/result/web_result.go
+++ b/code/tool/result/web_result.go
@@ -2,6 +2,7 @@ package result
 
 import (
 	"fmt"
+	"github.com/eyebluecn/tank/code/tool/i18n"
 	"net/http"
 )
 
@@ -101,7 +102,11 @@ func CustomWebResult(codeWrapper *CodeWrapper, description string) *WebResult {
 	return wr
 }
 
-//请求参数有问题
+func BadRequestI18n(request *http.Request, item *i18n.Item, v ...interface{}) *WebResult {
+	return CustomWebResult(BAD_REQUEST, fmt.Sprintf(item.Message(request), v...))
+}
+
+//没有权限
 func BadRequest(format string, v ...interface{}) *WebResult {
 	return CustomWebResult(BAD_REQUEST, fmt.Sprintf(format, v...))
 }
diff --git a/go.mod b/go.mod
index cbdc142..8463310 100644
--- a/go.mod
+++ b/go.mod
@@ -14,4 +14,5 @@ require (
 	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d
 	github.com/robfig/cron v0.0.0-20180505203441-b41be1df6967
 	golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c
+	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2
 )
diff --git a/go.sum b/go.sum
index 6c657f1..3ed7708 100644
--- a/go.sum
+++ b/go.sum
@@ -162,6 +162,7 @@ golang.org/x/sys v0.0.0-20181218192612-074acd46bca6/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 h1:z99zHgr7hKfrUcX/KsoJk5FJfjTceCKIp96+biqP4To=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=