diff --git a/converter/converter.go b/converter/converter.go
index b4d32dc4..0390caea 100644
--- a/converter/converter.go
+++ b/converter/converter.go
@@ -10,26 +10,26 @@ import (
 	"path/filepath"
 	"strings"
 
-	"time"
+	"github.com/juju/errors"
 	"os/exec"
-	"errors"
+	"time"
 
+	"github.com/lifei6671/mindoc/utils/cryptil"
 	"github.com/lifei6671/mindoc/utils/filetil"
 	"github.com/lifei6671/mindoc/utils/ziptil"
-	"github.com/lifei6671/mindoc/utils/cryptil"
-	"sync"
 	"html"
+	"sync"
 )
 
 type Converter struct {
 	BasePath       string
-	OutputPath	   string
+	OutputPath     string
 	Config         Config
 	Debug          bool
 	GeneratedCover string
-	ProcessNum	 	int		//并发的任务数量
-	process 	chan func()
-	limitChan		chan bool
+	ProcessNum     int //并发的任务数量
+	process        chan func()
+	limitChan      chan bool
 }
 
 //目录结构
@@ -73,10 +73,10 @@ var (
 )
 
 func CheckConvertCommand() error {
-	args := []string{ "--version" }
+	args := []string{"--version"}
 	cmd := exec.Command(ebookConvert, args...)
 
-	return cmd.Run()
+	return errors.Trace(cmd.Run())
 }
 
 // 接口文档 https://manual.calibre-ebook.com/generated/en/ebook-convert.html#table-of-contents
@@ -101,12 +101,12 @@ func NewConverter(configFile string, debug ...bool) (converter *Converter, err e
 				cfg.Charset = "utf-8"
 			}
 			converter = &Converter{
-				Config:   cfg,
-				BasePath: basepath,
-				Debug:    db,
+				Config:     cfg,
+				BasePath:   basepath,
+				Debug:      db,
 				ProcessNum: 1,
-				process: make(chan func(),4),
-				limitChan: make(chan bool,1),
+				process:    make(chan func(), 4),
+				limitChan:  make(chan bool, 1),
 			}
 		}
 	}
@@ -118,15 +118,15 @@ func (convert *Converter) Convert() (err error) {
 	if !convert.Debug { //调试模式下不删除生成的文件
 		defer convert.converterDefer() //最后移除创建的多余而文件
 	}
-	if convert.process == nil{
-		convert.process = make(chan func(),4)
+	if convert.process == nil {
+		convert.process = make(chan func(), 4)
 	}
 	if convert.limitChan == nil {
 		if convert.ProcessNum <= 0 {
 			convert.ProcessNum = 1
 		}
-		convert.limitChan = make(chan bool,convert.ProcessNum)
-		for i := 0; i < convert.ProcessNum;i++{
+		convert.limitChan = make(chan bool, convert.ProcessNum)
+		for i := 0; i < convert.ProcessNum; i++ {
 			convert.limitChan <- true
 		}
 	}
@@ -153,7 +153,7 @@ func (convert *Converter) Convert() (err error) {
 	//将当前文件夹下的所有文件压缩成zip包，然后直接改名成content.epub
 	f := filepath.Join(convert.OutputPath, "content.epub")
 	os.Remove(f) //如果原文件存在了，则删除;
-	if err = ziptil.Zip(convert.BasePath,f); err == nil {
+	if err = ziptil.Zip(convert.BasePath, f); err == nil {
 		//创建导出文件夹
 		os.Mkdir(convert.BasePath+"/"+output, os.ModePerm)
 		if len(convert.Config.Format) > 0 {
@@ -164,7 +164,7 @@ func (convert *Converter) Convert() (err error) {
 					fmt.Println("convert to " + v)
 					switch strings.ToLower(v) {
 					case "epub":
-						convert.process  <- func() {
+						convert.process <- func() {
 							if err = convert.convertToEpub(); err != nil {
 								errs = append(errs, err.Error())
 								fmt.Println("转换EPUB文档失败：" + err.Error())
@@ -197,14 +197,14 @@ func (convert *Converter) Convert() (err error) {
 				close(convert.process)
 			}(convert)
 
-			group :=  sync.WaitGroup{}
+			group := sync.WaitGroup{}
 			for {
 				action, isClosed := <-convert.process
 				if action == nil && !isClosed {
 					break;
 				}
 				group.Add(1)
-				<- convert.limitChan
+				<-convert.limitChan
 				go func(group *sync.WaitGroup) {
 					action()
 					group.Done()
@@ -502,7 +502,7 @@ func (this *Converter) convertToEpub() (err error) {
 	//fmt.Println("正在转换EPUB文件", args[0])
 	//return cmd.Run()
 
-	return filetil.CopyFile(args[0],args[1])
+	return filetil.CopyFile(args[0], args[1])
 }
 
 //转成mobi
@@ -541,19 +541,19 @@ func (this *Converter) convertToPdf() (err error) {
 
 	//footer template
 	if len(this.Config.Footer) > 0 {
-		args = append(args, "--pdf-footer-template",this.Config.Footer)
+		args = append(args, "--pdf-footer-template", this.Config.Footer)
 	}
 
-	if strings.Count(this.Config.MarginLeft,"") > 0 {
+	if strings.Count(this.Config.MarginLeft, "") > 0 {
 		args = append(args, "--pdf-page-margin-left", this.Config.MarginLeft)
 	}
-	if strings.Count(this.Config.MarginTop,"") > 0 {
+	if strings.Count(this.Config.MarginTop, "") > 0 {
 		args = append(args, "--pdf-page-margin-top", this.Config.MarginTop)
 	}
-	if strings.Count(this.Config.MarginRight,"") > 0 {
+	if strings.Count(this.Config.MarginRight, "") > 0 {
 		args = append(args, "--pdf-page-margin-right", this.Config.MarginRight)
 	}
-	if strings.Count(this.Config.MarginBottom,"") > 0 {
+	if strings.Count(this.Config.MarginBottom, "") > 0 {
 		args = append(args, "--pdf-page-margin-bottom", this.Config.MarginBottom)
 	}
 
@@ -573,8 +573,8 @@ func (this *Converter) convertToPdf() (err error) {
 // 转成word
 func (this *Converter) convertToDocx() (err error) {
 	args := []string{
-		filepath.Join(this.OutputPath , "content.epub"),
-		filepath.Join(this.OutputPath , output , "book.docx"),
+		filepath.Join(this.OutputPath, "content.epub"),
+		filepath.Join(this.OutputPath, output, "book.docx"),
 	}
 	args = append(args, "--docx-no-toc")
 
@@ -603,25 +603,3 @@ func (this *Converter) convertToDocx() (err error) {
 	fmt.Println("正在转换 DOCX 文件", args[0])
 	return cmd.Run()
 }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/models/BookResult.go b/models/BookResult.go
index 6ad32d2f..4d523615 100644
--- a/models/BookResult.go
+++ b/models/BookResult.go
@@ -97,8 +97,8 @@ func (m *BookResult) FindByIdentify(identify string, memberId int) (*BookResult,
 	err := NewBook().QueryTable().Filter("identify", identify).One(&book)
 
 	if err != nil {
-		beego.Error("获取项目失败 ->", err)
-		return m, err
+		beego.Error("获取项目失败 ->", errors.Details(err))
+		return m, errors.Trace(err)
 	}
 
 	roleId, err := NewBook().FindForRoleId(book.BookId, memberId)
@@ -112,13 +112,13 @@ func (m *BookResult) FindByIdentify(identify string, memberId int) (*BookResult,
 	err = NewRelationship().QueryTable().Filter("book_id", book.BookId).Filter("role_id", 0).One(&relationship2)
 
 	if err != nil {
-		logs.Error("根据项目标识查询项目以及指定用户权限的信息 -> ", err)
+		logs.Error("根据项目标识查询项目以及指定用户权限的信息 -> ", errors.Details(err))
 		return m, ErrPermissionDenied
 	}
 
 	member, err := NewMember().Find(relationship2.MemberId)
 	if err != nil {
-		return m, err
+		return m, errors.Trace(err)
 	}
 
 	m.ToBookResult(book)
@@ -240,8 +240,8 @@ func (m *BookResult) ToBookResult(book Book) *BookResult {
 func BackgroundConvert(sessionId string, bookResult *BookResult) error {
 
 	if err := converter.CheckConvertCommand(); err != nil {
-		beego.Error("检查转换程序失败 -> ", err)
-		return err
+		beego.Error("检查转换程序失败 -> ", errors.Details(err))
+		return errors.Trace(err)
 	}
 	err := exportLimitWorkerChannel.LoadOrStore(bookResult.Identify, func() {
 		if _, err := bookResult.Converter(sessionId); err != nil {
@@ -251,7 +251,7 @@ func BackgroundConvert(sessionId string, bookResult *BookResult) error {
 
 	if err != nil {
 		beego.Error("将导出任务加入任务队列失败 -> ", errors.Details(err))
-		return err
+		return errors.Trace(err)
 	}
 	exportLimitWorkerChannel.Start()
 	return nil
@@ -276,15 +276,15 @@ func (m *BookResult) Converter(sessionId string) (ConvertBookResult, error) {
 	sourceDir := strings.TrimSuffix(tempOutputPath, "source")
 	if filetil.FileExists(sourceDir) {
 		if err := os.RemoveAll(sourceDir); err != nil {
-			beego.Error("删除临时目录失败 ->", sourceDir, err)
+			beego.Error("删除临时目录失败 ->", sourceDir, errors.Details(err))
 		}
 	}
 
 	if err := filetil.MkdirAll(outputPath, 0755); err != nil {
-		beego.Error("创建目录失败 -> ", outputPath, err)
+		beego.Error("创建目录失败 -> ", outputPath, errors.Details(err))
 	}
-	if err := os.MkdirAll(tempOutputPath, 0755); err != nil {
-		beego.Error("创建目录失败 -> ", tempOutputPath, err)
+	if err := filetil.MkdirAll(tempOutputPath, 0755); err != nil {
+		beego.Error("创建目录失败 -> ", tempOutputPath, errors.Details(err))
 	}
 	if err := filetil.MkdirAll(filepath.Join(tempOutputPath, "Images"), 0755); err != nil {
 		return convertBookResult, errors.Trace(err)
@@ -302,7 +302,7 @@ func (m *BookResult) Converter(sessionId string) (ConvertBookResult, error) {
 
 	docs, err := NewDocument().FindListByBookId(m.BookId)
 	if err != nil {
-		return convertBookResult, err
+		return convertBookResult, errors.Trace(err)
 	}
 
 	tocList := make([]converter.Toc, 0)
@@ -363,7 +363,7 @@ func (m *BookResult) Converter(sessionId string) (ConvertBookResult, error) {
 
 	if tempOutputPath, err = filepath.Abs(tempOutputPath); err != nil {
 		beego.Error("导出目录配置错误：" + err.Error())
-		return convertBookResult, err
+		return convertBookResult, errors.Trace(err)
 	}
 
 	for _, item := range docs {
@@ -372,12 +372,12 @@ func (m *BookResult) Converter(sessionId string) (ConvertBookResult, error) {
 
 		f, err := os.OpenFile(fpath, os.O_CREATE|os.O_RDWR, 0755)
 		if err != nil {
-			return convertBookResult, err
+			return convertBookResult, errors.Trace(err)
 		}
 		var buf bytes.Buffer
 
 		if err := beego.ExecuteViewPathTemplate(&buf, "document/export.tpl", viewPath, map[string]interface{}{"Model": m, "Lists": item, "BaseUrl": conf.BaseUrl}); err != nil {
-			return convertBookResult, err
+			return convertBookResult, errors.Trace(err)
 		}
 		html := buf.String()
 
diff --git a/utils/filetil/filetil.go b/utils/filetil/filetil.go
index 578b0c89..311ca21c 100644
--- a/utils/filetil/filetil.go
+++ b/utils/filetil/filetil.go
@@ -1,6 +1,7 @@
 package filetil
 
 import (
+	"github.com/juju/errors"
 	"os"
 	"path/filepath"
 	"strings"
@@ -51,7 +52,7 @@ func ScanFiles(dir string) (fl []FileList, err error) {
 func CopyFile(source string, dst string) (err error) {
 	sourceFile, err := os.Open(source)
 	if err != nil {
-		return err
+		return errors.Trace(err)
 	}
 
 	defer sourceFile.Close()
@@ -60,16 +61,18 @@ func CopyFile(source string, dst string) (err error) {
 
 	if err != nil {
 		if os.IsNotExist(err) {
-			os.MkdirAll(filepath.Dir(dst),0766)
+			if err := MkdirAll(filepath.Dir(dst),0755);err != nil {
+				return errors.Trace(err)
+			}
 		}else{
-			return err
+			return errors.Trace(err)
 		}
 	}
 
 
 	destFile, err := os.Create(dst)
 	if err != nil {
-		return err
+		return errors.Trace(err)
 	}
 
 	defer destFile.Close()
@@ -78,9 +81,9 @@ func CopyFile(source string, dst string) (err error) {
 	if err == nil {
 		sourceInfo, err := os.Stat(source)
 		if err != nil {
-			err = os.Chmod(dst, sourceInfo.Mode())
+			return errors.Trace(err)
 		}
-
+		err = os.Chmod(dst, sourceInfo.Mode())
 	}
 
 	return
@@ -92,13 +95,13 @@ func CopyDir(source string, dest string) (err error) {
 	// get properties of source dir
 	sourceInfo, err := os.Stat(source)
 	if err != nil {
-		return err
+		return errors.Trace(err)
 	}
 
 	// create dest dir
-	err = os.MkdirAll(dest, sourceInfo.Mode())
+	err = MkdirAll(dest, sourceInfo.Mode())
 	if err != nil {
-		return err
+		return errors.Trace(err)
 	}
 
 	directory, _ := os.Open(source)