diff --git a/cli/cli.go b/cli/cli.go
index f4150d4..4d2f7eb 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -3,7 +3,6 @@ package cli
 import (
 	"encoding/json"
 	"fmt"
-	"go/build"
 	"os"
 
 	"github.com/urfave/cli"
@@ -45,22 +44,10 @@ func Run(version string) {
 			return
 		}
 
-		wd, err := os.Getwd()
-		if err != nil {
-			msg := fmt.Sprintf("failed to get working dir: %s", err)
-			err = cli.NewExitError(msg, 1)
-			return
-		}
-		importPkg, err := build.Import(opts.PkgPath, wd, build.ImportComment)
-		if err != nil {
-			msg := fmt.Sprintf("failed to import pkg %s: %s", opts.PkgPath, err)
-			err = cli.NewExitError(msg, 1)
-			return
-		}
 		parser := tspec.NewParser()
-		pkg, err := parser.ParseDir(opts.PkgPath, importPkg.Name)
+		pkg, err := parser.Import(opts.PkgPath)
 		if err != nil {
-			msg := fmt.Sprintf("failed to parse pkg %s: %s", opts.PkgPath, err)
+			msg := fmt.Sprintf("failed to import pkg %s: %s", pkg.Name, err)
 			err = cli.NewExitError(msg, 1)
 			return
 		}
diff --git a/tspec/tspec.go b/tspec/tspec.go
index 37fd773..cf4572a 100644
--- a/tspec/tspec.go
+++ b/tspec/tspec.go
@@ -59,10 +59,8 @@ func (t *Parser) ParseDir(dirPath string, pkgName string) (pkg *ast.Package, err
 	return
 }
 
-// Import parses import spec and returns related package
-func (t *Parser) Import(ispec *ast.ImportSpec) (pkg *ast.Package, err error) {
-	pkgPath := strings.Trim(ispec.Path.Value, "\"")
-
+// Import imports package dir and returns related package
+func (t *Parser) Import(pkgPath string) (pkg *ast.Package, err error) {
 	wd, err := os.Getwd()
 	if err != nil {
 		err = errors.WithStack(err)
@@ -137,7 +135,8 @@ func (t *Parser) parseTypeStr(oPkg *ast.Package, typeStr string) (pkg *ast.Packa
 	var p *ast.Package
 	for _, file := range oPkg.Files {
 		for _, ispec := range file.Imports {
-			p, err = t.Import(ispec)
+			pkgPath := strings.Trim(ispec.Path.Value, "\"")
+			p, err = t.Import(pkgPath)
 			if err != nil {
 				err = errors.WithStack(err)
 				return
diff --git a/tspec/tspec_test.go b/tspec/tspec_test.go
index 58486bb..82d6a35 100644
--- a/tspec/tspec_test.go
+++ b/tspec/tspec_test.go
@@ -7,6 +7,7 @@ import (
 	"go/ast"
 	"go/parser"
 	"go/token"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/suite"
@@ -73,7 +74,8 @@ import (
     "github.com/wy-z/tspec/samples"
 )
 `, parser.ImportsOnly)
-	pkg, err := tspec.NewParser().Import(f.Imports[0])
+	pkgPath := strings.Trim(f.Imports[0].Path.Value, "\"")
+	pkg, err := tspec.NewParser().Import(pkgPath)
 	if err != nil {
 		msg := fmt.Sprintf("failed to import 'github.com/wy-z/tspec/samples': %s", err)
 		panic(msg)