diff --git a/trojan/trojan.go b/trojan/trojan.go
index 8828988c..b72b8ddf 100644
--- a/trojan/trojan.go
+++ b/trojan/trojan.go
@@ -41,7 +41,7 @@ func Start() {
 			Stop()
 		}
 		util.ExecCommand(`echo "" > /.run.log`)
-		util.ExecCommandWithTimeout(`/usr/bin/trojan/trojan -c /usr/local/etc/trojan/config.json -l /.run.log & -y`)
+		util.StartProcess("/usr/bin/trojan/trojan", "-c", "/usr/local/etc/trojan/config.json", "-l", "/.run.log")
 		fmt.Println(util.Green("启动trojan成功!"))
 	} else {
 		if err := util.ExecCommand("systemctl start trojan"); err != nil {
diff --git a/util/command.go b/util/command.go
index 7c88304a..ac7211f1 100644
--- a/util/command.go
+++ b/util/command.go
@@ -1,15 +1,13 @@
 package util
 
 import (
-	"bytes"
-	"context"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"net/http"
+	"os"
 	"os/exec"
 	"strings"
-	"time"
 )
 
 // CheckCommandExists 检查命令是否存在
@@ -89,23 +87,18 @@ func ExecCommandWithResult(command string) string {
 	return string(out)
 }
 
-func ExecCommandWithTimeout(command string) ([]byte, error) {
-	ctxt, cancel := context.WithTimeout(context.Background(), 3*time.Second)
-	defer cancel()
-
-	cmd := exec.CommandContext(ctxt, "bash", "-c", command)
-
-	var buf bytes.Buffer
-	cmd.Stdout = &buf
-	cmd.Stderr = &buf
-
-	if err := cmd.Start(); err != nil {
-		return buf.Bytes(), err
+func StartProcess(name string, args ...string) {
+	env := os.Environ()
+	procAttr := &os.ProcAttr{
+		Env: env,
+		Files: []*os.File{
+			os.Stdin,
+			os.Stdout,
+			os.Stderr,
+		},
 	}
-
-	if err := cmd.Wait(); err != nil {
-		return buf.Bytes(), err
+	_, err := os.StartProcess(name, args, procAttr)
+	if err != nil {
+		fmt.Println(err)
 	}
-
-	return buf.Bytes(), nil
 }