diff --git a/README.md b/README.md
index cfca507..e683c9e 100644
--- a/README.md
+++ b/README.md
@@ -167,17 +167,23 @@ URL 里面也可放置占位符，请求时会进行简单的字符串替换。
 #!/bin/sh /etc/rc.common
 
 START=99
+USE_PROCD=1
 
-start(){
-    nohup /root/nezha-agent -i XXX -d >/dev/null 2>&1 &
+start_service() {
+	procd_open_instance
+	procd_set_param command /root/nezha-agent -i xxx -p 111 -d
+	procd_set_param respawn
+	procd_close_instance
 }
-stop(){
-    # kill your pid
-    kill -9 `ps | grep '/root/nezha-agent' | grep -v 'grep' | awk '{print $1}'`
+
+stop_service() {
+    killall nezha-agent
 }
-restart(){
-    kill -9 `ps | grep '/root/nezha-agent' | grep -v 'grep' | awk '{print $1}'`
-    nohup /root/nezha-agent -i XXX -d >/dev/null 2>&1 &
+
+restart() {
+	stop
+	sleep 2
+	start
 }
 ```
 
diff --git a/cmd/agent/main.go b/cmd/agent/main.go
index 6484781..135533f 100644
--- a/cmd/agent/main.go
+++ b/cmd/agent/main.go
@@ -251,9 +251,10 @@ func doTask(task *pb.Task) {
 			select {
 			case <-timeout.C:
 				result.Data = "任务执行超时\n"
-				pg.Dispose()
 				close(endCh)
+				pg.Dispose()
 			case <-endCh:
+				timeout.Stop()
 			}
 		}()
 		output, err := cmd.Output()
diff --git a/cmd/playground/main.go b/cmd/playground/main.go
index e6c581f..388e53c 100644
--- a/cmd/playground/main.go
+++ b/cmd/playground/main.go
@@ -84,14 +84,15 @@ func cmdExec() {
 		panic(err)
 	}
 	if utils.IsWindows() {
-		cmd = exec.Command("cmd", "/c", execFrom+"/cmd/playground/example.sh hello asd")
+		cmd = exec.Command("cmd", "/c", os.Args[1])
+		// cmd = exec.Command("cmd", "/c", execFrom+"/cmd/playground/example.sh hello asd")
 	} else {
 		cmd = exec.Command("sh", "-c", execFrom+`/cmd/playground/example.sh hello && \
 			echo world!`)
 	}
 	pg.AddProcess(cmd)
 	go func() {
-		time.Sleep(time.Second * 2)
+		time.Sleep(time.Second * 10)
 		if err = pg.Dispose(); err != nil {
 			panic(err)
 		}
diff --git a/go.mod b/go.mod
index ece9295..51ea4d3 100644
--- a/go.mod
+++ b/go.mod
@@ -22,7 +22,6 @@ require (
 	github.com/spf13/viper v1.7.1
 	github.com/stretchr/testify v1.6.1
 	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
-	golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5
 	google.golang.org/grpc v1.33.1
 	google.golang.org/protobuf v1.25.0
 	gopkg.in/yaml.v2 v2.2.8
diff --git a/pkg/utils/proccess_group.go b/pkg/utils/proccess_group.go
index 4d42f5a..c7a24ed 100644
--- a/pkg/utils/proccess_group.go
+++ b/pkg/utils/proccess_group.go
@@ -15,7 +15,7 @@ func NewProcessExitGroup() (ProcessExitGroup, error) {
 	return ProcessExitGroup{}, nil
 }
 
-func (g ProcessExitGroup) Dispose() error {
+func (g *ProcessExitGroup) Dispose() error {
 	for _, c := range g.cmds {
 		if err := syscall.Kill(-c.Process.Pid, syscall.SIGKILL); err != nil {
 			return err
diff --git a/pkg/utils/proccess_group_windows.go b/pkg/utils/proccess_group_windows.go
index 19ba77f..55bfe30 100644
--- a/pkg/utils/proccess_group_windows.go
+++ b/pkg/utils/proccess_group_windows.go
@@ -3,49 +3,28 @@
 package utils
 
 import (
+	"fmt"
 	"os/exec"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
 )
 
-// We use this struct to retreive process handle(which is unexported)
-// from os.Process using unsafe operation.
-type process struct {
-	Pid    int
-	Handle uintptr
+type ProcessExitGroup struct {
+	cmds []*exec.Cmd
 }
 
-type ProcessExitGroup windows.Handle
-
 func NewProcessExitGroup() (ProcessExitGroup, error) {
-	handle, err := windows.CreateJobObject(nil, nil)
-	if err != nil {
-		return 0, err
-	}
-
-	info := windows.JOBOBJECT_EXTENDED_LIMIT_INFORMATION{
-		BasicLimitInformation: windows.JOBOBJECT_BASIC_LIMIT_INFORMATION{
-			LimitFlags: windows.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE,
-		},
-	}
-	if _, err := windows.SetInformationJobObject(
-		handle,
-		windows.JobObjectExtendedLimitInformation,
-		uintptr(unsafe.Pointer(&info)),
-		uint32(unsafe.Sizeof(info))); err != nil {
-		return 0, err
-	}
-
-	return ProcessExitGroup(handle), nil
+	return ProcessExitGroup{}, nil
 }
 
-func (g ProcessExitGroup) Dispose() error {
-	return windows.CloseHandle(windows.Handle(g))
+func (g *ProcessExitGroup) Dispose() error {
+	for _, c := range g.cmds {
+		if err := exec.Command("taskkill", "/F", "/T", "/PID", fmt.Sprint(c.Process.Pid)).Run(); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
-func (g ProcessExitGroup) AddProcess(cmd *exec.Cmd) error {
-	return windows.AssignProcessToJobObject(
-		windows.Handle(g),
-		windows.Handle((*process)(unsafe.Pointer(cmd.Process)).Handle))
+func (g *ProcessExitGroup) AddProcess(cmd *exec.Cmd) error {
+	g.cmds = append(g.cmds, cmd)
+	return nil
 }