diff --git a/api/api_nowasm.go b/api/api_nowasm.go
index 87990c76..de30c107 100644
--- a/api/api_nowasm.go
+++ b/api/api_nowasm.go
@@ -26,7 +26,7 @@ func RunCode(cfg *config.Config, filename, code string, args ...string) (stdoutS
 	}
 
 	// main 执行
-	stdout, stderr, err := wazero.RunWasm(cfg, filename, wasmBytes, mainFunc, args...)
+	stdout, stderr, err := wazero.RunWasm(filename, wasmBytes, mainFunc, args...)
 	stdoutStderr = append(stdout, stderr...)
 	return
 }
diff --git a/internal/app/apprun-wasm/apprun.go b/internal/app/apprun-wasm/apprun.go
index baeeae33..ad513b87 100644
--- a/internal/app/apprun-wasm/apprun.go
+++ b/internal/app/apprun-wasm/apprun.go
@@ -12,15 +12,14 @@ import (
 )
 
 var CmdRunWasm = &cli.Command{
-	Name:  "run-wasm",
-	Usage: "run wasm program",
+	Name:      "run-wasm",
+	Usage:     "run wasm program",
+	ArgsUsage: "file.wasm",
 	Flags: []cli.Flag{
-		appbase.MakeFlag_target(),
-		appbase.MakeFlag_tags(),
 		&cli.StringFlag{
 			Name:  "main-func",
 			Usage: "set main func",
-			Value: "__main__.main",
+			Value: "_main",
 		},
 	},
 	Action: CmdRunAction,
@@ -35,16 +34,18 @@ func CmdRunAction(c *cli.Context) error {
 	}
 
 	wasmBytes, err := os.ReadFile(input)
+	if err != nil {
+		return err
+	}
 
 	var appArgs []string
 	if c.NArg() > 2 {
 		appArgs = c.Args().Slice()[2:]
 	}
 
-	var opt = appbase.BuildOptions(c)
 	var mainFunc = c.String("main-func")
 
-	stdout, stderr, err := wazero.RunWasm(opt.Config(), input, wasmBytes, mainFunc, appArgs...)
+	stdout, stderr, err := wazero.RunWasm(input, wasmBytes, mainFunc, appArgs...)
 	if err != nil {
 		if len(stdout) > 0 {
 			fmt.Fprint(os.Stdout, string(stdout))
@@ -56,6 +57,7 @@ func CmdRunAction(c *cli.Context) error {
 			os.Exit(exitCode)
 		}
 		fmt.Println(err)
+		return nil
 	}
 	if len(stdout) > 0 {
 		fmt.Fprint(os.Stdout, string(stdout))
diff --git a/internal/app/apprun/apprun.go b/internal/app/apprun/apprun.go
index 768be895..312e3198 100644
--- a/internal/app/apprun/apprun.go
+++ b/internal/app/apprun/apprun.go
@@ -117,7 +117,7 @@ func CmdRunAction(c *cli.Context) error {
 		appArgs = c.Args().Slice()[1:]
 	}
 
-	stdout, stderr, err := wazero.RunWasm(opt.Config(), input, wasmBytes, mainFunc, appArgs...)
+	stdout, stderr, err := wazero.RunWasm(input, wasmBytes, mainFunc, appArgs...)
 	if err != nil {
 		if len(stdout) > 0 {
 			fmt.Fprint(os.Stdout, string(stdout))
diff --git a/internal/app/apptest/apptest.go b/internal/app/apptest/apptest.go
index aecd3597..73e9c4d4 100644
--- a/internal/app/apptest/apptest.go
+++ b/internal/app/apptest/apptest.go
@@ -96,7 +96,7 @@ func runTest(cfg *config.Config, pkgpath, runPattern string, appArgs ...string)
 		os.Exit(1)
 	}
 
-	m, err := wazero.BuildModule(cfg, wasmName, wasmBytes, wasmArgs...)
+	m, err := wazero.BuildModule(wasmName, wasmBytes, wasmArgs...)
 	if err != nil {
 		fmt.Println(err)
 		os.Exit(1)
@@ -147,7 +147,7 @@ func runTest(cfg *config.Config, pkgpath, runPattern string, appArgs ...string)
 
 			// 重新加载
 			{
-				m, err = wazero.BuildModule(cfg, wasmName, wasmBytes, wasmArgs...)
+				m, err = wazero.BuildModule(wasmName, wasmBytes, wasmArgs...)
 				if err != nil {
 					fmt.Println(err)
 					os.Exit(1)
@@ -253,7 +253,7 @@ func runTest(cfg *config.Config, pkgpath, runPattern string, appArgs ...string)
 
 			// 重新加载
 			{
-				m, err = wazero.BuildModule(cfg, wasmName, wasmBytes, wasmArgs...)
+				m, err = wazero.BuildModule(wasmName, wasmBytes, wasmArgs...)
 				if err != nil {
 					fmt.Println(err)
 					os.Exit(1)
diff --git a/internal/app/main.go b/internal/app/main.go
index 52946c0c..5faefb68 100644
--- a/internal/app/main.go
+++ b/internal/app/main.go
@@ -26,6 +26,7 @@ import (
 	"wa-lang.org/wa/internal/app/applsp"
 	"wa-lang.org/wa/internal/app/appplay"
 	"wa-lang.org/wa/internal/app/apprun"
+	apprun_wasm "wa-lang.org/wa/internal/app/apprun-wasm"
 	"wa-lang.org/wa/internal/app/appssa"
 	"wa-lang.org/wa/internal/app/apptest"
 	"wa-lang.org/wa/internal/app/appwat2wasm"
@@ -88,6 +89,7 @@ func Main() {
 		appinit.CmdInit,
 		appbuild.CmdBuild,
 		apprun.CmdRun,
+		apprun_wasm.CmdRunWasm,
 		appfmt.CmdFmt,
 		apptest.CmdTest,
 		appyacc.CmdYacc,
diff --git a/internal/wazero/module.go b/internal/wazero/module.go
index c3695219..eee6e70c 100644
--- a/internal/wazero/module.go
+++ b/internal/wazero/module.go
@@ -19,8 +19,6 @@ import (
 
 // wasm 模块, 可多次执行
 type Module struct {
-	cfg *config.Config
-
 	wasmName  string
 	wasmBytes []byte
 	wasmArgs  []string
@@ -38,11 +36,8 @@ type Module struct {
 }
 
 // 构建模块(会执行编译)
-func BuildModule(
-	cfg *config.Config, wasmName string, wasmBytes []byte, wasmArgs ...string,
-) (*Module, error) {
+func BuildModule(wasmName string, wasmBytes []byte, wasmArgs ...string) (*Module, error) {
 	m := &Module{
-		cfg:       cfg,
 		wasmName:  wasmName,
 		wasmBytes: wasmBytes,
 		wasmArgs:  wasmArgs,
@@ -61,7 +56,7 @@ func (p *Module) RunMain(mainFunc string) (stdout, stderr []byte, err error) {
 
 	if mainFunc != "" {
 		fn := p.wazeroModule.ExportedFunction(mainFunc)
-		if fn == nil {
+		if fn == nil && mainFunc != "_main" {
 			err = fmt.Errorf("wazero: func %q not found", mainFunc)
 			return
 		}
@@ -155,7 +150,26 @@ func (p *Module) buildModule() error {
 		return err
 	}
 
-	switch p.cfg.WaOS {
+	// 根据导入的函数识别宿主类型
+	var waOS = config.WaOS_unknown
+	for _, importedFunc := range p.wazeroCompileModule.ImportedFunctions() {
+		moduleName, funcName, isImport := importedFunc.Import()
+		if !isImport {
+			continue
+		}
+
+		if moduleName == "syscall_js" && funcName == "print_str" {
+			waOS = config.WaOS_js
+			break
+		}
+
+		if moduleName == "wasi_snapshot_preview1" {
+			waOS = config.WaOS_wasi
+			break
+		}
+	}
+
+	switch waOS {
 	case config.WaOS_unknown:
 		if _, err = UnknownInstantiate(p.wazeroCtx, p.wazeroRuntime); err != nil {
 			p.wazeroInitErr = err
@@ -173,7 +187,7 @@ func (p *Module) buildModule() error {
 		}
 
 	default:
-		return fmt.Errorf("unknown waos: %q", p.cfg.WaOS)
+		return fmt.Errorf("unknown waos: %q", waOS)
 	}
 
 	return nil
diff --git a/internal/wazero/module_test.go b/internal/wazero/module_test.go
index fcc668c6..932ad89c 100644
--- a/internal/wazero/module_test.go
+++ b/internal/wazero/module_test.go
@@ -24,9 +24,7 @@ func Add(a:i32, b:i32) => i32 {
 `
 	wasmBytes := tBuildWasm(t, waCode)
 
-	m, err := wazero.BuildModule(
-		api.DefaultConfig(), wasmName, wasmBytes,
-	)
+	m, err := wazero.BuildModule(wasmName, wasmBytes)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/internal/wazero/util.go b/internal/wazero/util.go
index 9f2b28d1..bec7a16f 100644
--- a/internal/wazero/util.go
+++ b/internal/wazero/util.go
@@ -1,7 +1,6 @@
 package wazero
 
 import (
-	"wa-lang.org/wa/internal/config"
 	"wa-lang.org/wazero"
 	"wa-lang.org/wazero/sys"
 )
@@ -11,8 +10,8 @@ func Wat2Wasm(source []byte) ([]byte, error) {
 }
 
 // 单次执行 wasm
-func RunWasm(cfg *config.Config, wasmName string, wasmBytes []byte, mainFunc string, wasmArgs ...string) (stdout, stderr []byte, err error) {
-	m, err := BuildModule(cfg, wasmName, wasmBytes, wasmArgs...)
+func RunWasm(wasmName string, wasmBytes []byte, mainFunc string, wasmArgs ...string) (stdout, stderr []byte, err error) {
+	m, err := BuildModule(wasmName, wasmBytes, wasmArgs...)
 	if err != nil {
 		return
 	}