diff --git a/cmd/internal/load/gop.go b/cmd/internal/load/gop.go
index d5149f42..990aaebc 100644
--- a/cmd/internal/load/gop.go
+++ b/cmd/internal/load/gop.go
@@ -40,5 +40,5 @@ func BuildGopDir(ctx *igop.Context, path string) error {
 }
 
 func IsGopProject(dir string) bool {
-	return ContainsExt(dir, ".gop")
+	return ContainsExt(dir, ".gop", ".gox")
 }
diff --git a/cmd/internal/load/load.go b/cmd/internal/load/load.go
index 146481ea..92377880 100644
--- a/cmd/internal/load/load.go
+++ b/cmd/internal/load/load.go
@@ -30,13 +30,18 @@ func IsDir(target string) (bool, error) {
 	return fi.IsDir(), nil
 }
 
-func ContainsExt(srcDir string, ext string) bool {
+func ContainsExt(srcDir string, exts ...string) bool {
 	if f, err := os.Open(srcDir); err == nil {
 		defer f.Close()
 		fis, _ := f.Readdir(-1)
 		for _, fi := range fis {
-			if !fi.IsDir() && filepath.Ext(fi.Name()) == ext {
-				return true
+			if !fi.IsDir() {
+				ext := filepath.Ext(fi.Name())
+				for _, v := range exts {
+					if v == ext {
+						return true
+					}
+				}
 			}
 		}
 	}
diff --git a/gopbuild/build.go b/gopbuild/build.go
index 2ab299fd..6373c0a8 100644
--- a/gopbuild/build.go
+++ b/gopbuild/build.go
@@ -20,6 +20,7 @@ package gopbuild
 //go:generate go run ../cmd/qexp -outdir ../pkg github.com/goplus/gop/builtin/ng
 //go:generate go run ../cmd/qexp -outdir ../pkg github.com/goplus/gop/builtin/iox
 //go:generate go run ../cmd/qexp -outdir ../pkg github.com/qiniu/x/errors
+//go:generate go run ../cmd/qexp -outdir ../pkg github.com/qiniu/x/gsh
 
 import (
 	"bytes"
@@ -37,16 +38,23 @@ import (
 	"github.com/goplus/mod/modfile"
 
 	_ "github.com/goplus/igop/pkg/bufio"
+	_ "github.com/goplus/igop/pkg/context"
+	_ "github.com/goplus/igop/pkg/errors"
 	_ "github.com/goplus/igop/pkg/fmt"
 	_ "github.com/goplus/igop/pkg/github.com/goplus/gop/builtin"
 	_ "github.com/goplus/igop/pkg/github.com/goplus/gop/builtin/iox"
 	_ "github.com/goplus/igop/pkg/github.com/goplus/gop/builtin/ng"
 	_ "github.com/goplus/igop/pkg/github.com/qiniu/x/errors"
+	_ "github.com/goplus/igop/pkg/github.com/qiniu/x/gsh"
 	_ "github.com/goplus/igop/pkg/io"
 	_ "github.com/goplus/igop/pkg/log"
+	_ "github.com/goplus/igop/pkg/math"
 	_ "github.com/goplus/igop/pkg/math/big"
 	_ "github.com/goplus/igop/pkg/math/bits"
 	_ "github.com/goplus/igop/pkg/os"
+	_ "github.com/goplus/igop/pkg/os/exec"
+	_ "github.com/goplus/igop/pkg/path/filepath"
+	_ "github.com/goplus/igop/pkg/runtime"
 	_ "github.com/goplus/igop/pkg/strconv"
 	_ "github.com/goplus/igop/pkg/strings"
 )
@@ -76,7 +84,9 @@ func init() {
 	cl.SetDebug(cl.FlagNoMarkAutogen)
 	igop.RegisterFileProcess(".gop", BuildFile)
 	igop.RegisterFileProcess(".gox", BuildFile)
+	igop.RegisterFileProcess(".gsh", BuildFile)
 	RegisterClassFileType(".gmx", "Game", []*Class{{Ext: ".spx", Class: "Sprite"}}, "github.com/goplus/spx", "math")
+	RegisterClassFileType(".gsh", "App", nil, "github.com/qiniu/x/gsh", "math")
 }
 
 func BuildFile(ctx *igop.Context, filename string, src interface{}) (data []byte, err error) {
@@ -151,7 +161,7 @@ type Context struct {
 func ClassKind(fname string) (isProj, ok bool) {
 	ext := modfile.ClassExt(fname)
 	switch ext {
-	case ".gmx":
+	case ".gmx", ".gsh":
 		return true, true
 	case ".spx":
 		return fname == "main.spx", true
diff --git a/gopbuild/build_test.go b/gopbuild/build_test.go
index 7a911b89..0c9575f9 100644
--- a/gopbuild/build_test.go
+++ b/gopbuild/build_test.go
@@ -384,3 +384,46 @@ func main() {
 }
 `)
 }
+
+func TestGsh(t *testing.T) {
+	gopClTestEx(t, "exec.gsh", `
+gop "run", "./foo"
+exec "gop run ./foo"
+exec "FOO=100 gop run ./foo"
+exec {"FOO": "101"}, "gop", "run", "./foo"
+exec "gop", "run", "./foo"
+exec "ls $HOME"
+ls "${HOME}"
+
+`, `package main
+
+import "github.com/qiniu/x/gsh"
+
+type exec struct {
+	gsh.App
+}
+//line exec.gsh:2
+func (this *exec) MainEntry() {
+//line exec.gsh:2:1
+	this.Gop_Exec("gop", "run", "./foo")
+//line exec.gsh:3:1
+	this.Exec__1("gop run ./foo")
+//line exec.gsh:4:1
+	this.Exec__1("FOO=100 gop run ./foo")
+//line exec.gsh:5:1
+	this.Exec__0(map[string]string{"FOO": "101"}, "gop", "run", "./foo")
+//line exec.gsh:6:1
+	this.Exec__2("gop", "run", "./foo")
+//line exec.gsh:7:1
+	this.Exec__1("ls $HOME")
+//line exec.gsh:8:1
+	this.Gop_Exec("ls", this.Gop_Env("HOME"))
+}
+func (this *exec) Main() {
+	gsh.Gopt_App_Main(this)
+}
+func main() {
+	new(exec).Main()
+}
+`)
+}