diff --git a/BallCamera.go b/BallCamera.go
index cd07bac..31bdd81 100644
--- a/BallCamera.go
+++ b/BallCamera.go
@@ -401,14 +401,15 @@ func (this *BallCamera) retrySend(handle Core.LONG, cmd []byte, maxRetries int,
 }
 
 func (receiver *BallCamera) StartBus(direction int, speed int) error {
-	err := Core.PTZControlWithSpeed_Other(receiver.userId, Core.LONG(receiver.deviceInfo.ByStartChan), Core.DWORD(direction), Core.DWORD(0), Core.DWORD(speed))
+
+	err := Core.PTZControlWithSpeed_Other(receiver.userId, Core.LONG(receiver.deviceInfo.ByStartChan), Core.DWORD(PTZEnum.toHikPTZEnum(direction)), Core.DWORD(0), Core.DWORD(speed))
 	if err != nil {
 		return err
 	}
 	return nil
 }
 func (receiver *BallCamera) StopBus(direction int, speed int) error {
-	err := Core.PTZControlWithSpeed_Other(receiver.userId, Core.LONG(receiver.deviceInfo.ByStartChan), Core.DWORD(direction), Core.DWORD(1), Core.DWORD(speed))
+	err := Core.PTZControlWithSpeed_Other(receiver.userId, Core.LONG(receiver.deviceInfo.ByStartChan), Core.DWORD(PTZEnum.toHikPTZEnum(direction)), Core.DWORD(1), Core.DWORD(speed))
 	if err != nil {
 		return err
 	}
diff --git a/BallCamera_test.go b/BallCamera_test.go
index 9d00b90..29511df 100644
--- a/BallCamera_test.go
+++ b/BallCamera_test.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"gitea.com/kunmeng/HikNetSDKPkg/Core"
 	"testing"
+	"time"
 )
 
 func TestCamera(t *testing.T) {
@@ -18,15 +19,15 @@ func TestCamera(t *testing.T) {
 		return
 	}
 
-	//err = Camera.StartBus(PTZEnum.toHikPTZEnum(PTZEnum.PTZ_RIGHT), 1)
-	//if err != nil {
-	//	return
-	//}
-	//time.Sleep(2000 * time.Millisecond)
-	//err = Camera.StopBus(PTZEnum.toHikPTZEnum(PTZEnum.PTZ_RIGHT), 1)
-	//if err != nil {
-	//	return
-	//}
+	err = Camera.StartBus(PTZEnum.PTZ_RIGHT, 1)
+	if err != nil {
+		return
+	}
+	time.Sleep(2000 * time.Millisecond)
+	err = Camera.StopBus(PTZEnum.PTZ_RIGHT, 1)
+	if err != nil {
+		return
+	}
 
 	err = Camera.PtzGotoPut(1, 11.11, 22.22, 33.33)
 	if err != nil {