diff --git a/pkg/build/build.go b/pkg/build/build.go
index 052c00d..f4edb55 100644
--- a/pkg/build/build.go
+++ b/pkg/build/build.go
@@ -133,8 +133,11 @@ func (b *Build) determineOutputDir(outputDir string) (string, error) {
 	targetName := ""
 	for _, pkg := range b.Pkgs {
 		if pkg.Name == "main" {
-			_, file := filepath.Split(pkg.Target)
-			targetName = file
+			if pkg.Target != ""{
+				targetName = filepath.Base(pkg.Target)
+			}else {
+				targetName = filepath.Base(pkg.Dir)
+			}
 			break
 		}
 	}
diff --git a/pkg/build/legacy.go b/pkg/build/legacy.go
index 8583895..6eca135 100644
--- a/pkg/build/legacy.go
+++ b/pkg/build/legacy.go
@@ -17,14 +17,13 @@
 package build
 
 import (
-	"os"
 	"path/filepath"
+	"strings"
 
 	log "github.com/sirupsen/logrus"
 
 	"github.com/otiai10/copy"
 	"github.com/qiniu/goc/pkg/cover"
-	"strings"
 )
 
 func (b *Build) cpLegacyProject() {
@@ -38,13 +37,11 @@ func (b *Build) cpLegacyProject() {
 			continue
 		}
 
-		if err := b.copyDir(v, b.TmpDir); err != nil {
+		if err := b.copyDir(v); err != nil {
 			log.Errorf("Failed to Copy the folder from %v to %v, the error is: %v ", src, dst, err)
 		}
 
 		visited[src] = true
-
-		//b.cpDepPackages(v, visited)
 	}
 	if b.IsMod {
 		for _, v := range b.Pkgs {
@@ -68,35 +65,7 @@ func (b *Build) cpLegacyProject() {
 	}
 }
 
-// only cp dependency in root(current gopath),
-// skip deps in other GOPATHs
-// only used for version before go 1.11.4
-func (b *Build) cpDepPackages(pkg *cover.Package, visited map[string]bool) {
-	gopath := pkg.Root
-	for _, dep := range pkg.Deps {
-		src := filepath.Join(gopath, "src", dep)
-		// Check if copied
-		if _, ok := visited[src]; ok {
-			// Skip if already copied
-			continue
-		}
-		// Check if we can found in the root gopath
-		_, err := os.Stat(src)
-		if err != nil {
-			continue
-		}
-
-		dst := filepath.Join(b.TmpDir, "src", dep)
-
-		if err := copy.Copy(src, dst); err != nil {
-			log.Errorf("Failed to Copy the folder from %v to %v, the error is: %v ", src, dst, err)
-		}
-
-		visited[src] = true
-	}
-}
-
-func (b *Build) copyDir(pkg *cover.Package, tmpDir string) error {
+func (b *Build) copyDir(pkg *cover.Package) error {
 	fileList := []string{}
 	dir := pkg.Dir
 	fileList = append(fileList, pkg.GoFiles...)
@@ -119,8 +88,8 @@ func (b *Build) copyDir(pkg *cover.Package, tmpDir string) error {
 		} else {
 			root = pkg.Root
 		}
-		src = strings.TrimPrefix(pkg.Dir, root) // get the relative path of the files
-		dst := filepath.Join(tmpDir, src, file) // it will adapt the case where src is ""
+		src = strings.TrimPrefix(pkg.Dir, root)   // get the relative path of the files
+		dst := filepath.Join(b.TmpDir, src, file) // it will adapt the case where src is ""
 		if err := copy.Copy(p, dst); err != nil {
 			log.Errorf("Failed to Copy the folder from %v to %v, the error is: %v ", src, dst, err)
 			return err
diff --git a/pkg/build/legacy_test.go b/pkg/build/legacy_test.go
index 1c5f6c6..cb786ed 100644
--- a/pkg/build/legacy_test.go
+++ b/pkg/build/legacy_test.go
@@ -17,7 +17,6 @@
 package build
 
 import (
-	"path/filepath"
 	"strings"
 	"testing"
 
@@ -47,36 +46,15 @@ func TestLegacyProjectCopyWithUnexistedDir(t *testing.T) {
 	assert.Equal(t, strings.Contains(output, "Failed to Copy"), true)
 }
 
-// copy in cpDepPackages of invalid dst name
-func TestDepPackagesCopyWithInvalidDir(t *testing.T) {
-	gopath := filepath.Join(baseDir, "../../tests/samples/simple_gopath_project")
-	pkg := &cover.Package{
-		Module: &cover.ModulePublic{
-			Dir: "not exied, ia mas duser",
-		},
-		Root: gopath,
-		Deps: []string{"qiniu.com", "ddfee 2344234"},
-	}
-	b := &Build{
-		TmpDir: "/", // "/" is invalid dst in Linux, it should fail
-	}
-
-	output := captureOutput(func() {
-		visited := make(map[string]bool)
-
-		b.cpDepPackages(pkg, visited)
-	})
-	assert.Equal(t, strings.Contains(output, "Failed to Copy"), true)
-}
-
 func TestCopyDir(t *testing.T) {
 	wd, _ := os.Getwd()
 	pkg := &cover.Package{Dir: wd, Root: wd, GoFiles: []string{"build.go", "legacy.go"}, CgoFiles: []string{"run.go"}}
 	tmpDir := "/tmp/test/"
 	b := &Build{
 		WorkingDir: "empty",
+		TmpDir:     tmpDir,
 	}
 	assert.NoError(t, os.MkdirAll(tmpDir, os.ModePerm))
 	defer os.RemoveAll(tmpDir)
-	assert.NoError(t, b.copyDir(pkg, tmpDir))
+	assert.NoError(t, b.copyDir(pkg))
 }
diff --git a/pkg/build/tmpfolder.go b/pkg/build/tmpfolder.go
index e4687ef..95b9cf5 100644
--- a/pkg/build/tmpfolder.go
+++ b/pkg/build/tmpfolder.go
@@ -57,13 +57,6 @@ func (b *Build) MvProjectsToTmp() error {
 	} else {
 		b.NewGOPATH = fmt.Sprintf("%v:%v", b.TmpDir, b.OriGOPATH)
 	}
-	// fix #14: unable to build project not in GOPATH in legacy mode
-	// this kind of project does not have a pkg.Root value
-	// go 1.11, 1.12 has no pkg.Root,
-	// so add b.IsMod == false as secondary judgement
-	if b.Root == "" && b.IsMod == false {
-		b.NewGOPATH = b.OriGOPATH
-	}
 	log.Infof("New GOPATH: %v", b.NewGOPATH)
 	return nil
 }
diff --git a/pkg/build/tmpfolder_test.go b/pkg/build/tmpfolder_test.go
index 2183280..cf311e6 100644
--- a/pkg/build/tmpfolder_test.go
+++ b/pkg/build/tmpfolder_test.go
@@ -95,7 +95,7 @@ func TestLegacyProjectNotInGoPATH(t *testing.T) {
 	os.Setenv("GO111MODULE", "off")
 
 	b, _ := NewBuild("", []string{"."}, workingDir, "")
-	if b.OriGOPATH != b.NewGOPATH {
+	if !strings.Contains(b.NewGOPATH,b.OriGOPATH) {
 		t.Fatalf("New GOPATH should be same with old GOPATH, for this kind of project. New: %v, old: %v", b.NewGOPATH, b.OriGOPATH)
 	}