diff --git a/pkg/service/ptz.go b/pkg/service/ptz.go
index d62a4fa..f858b94 100644
--- a/pkg/service/ptz.go
+++ b/pkg/service/ptz.go
@@ -15,6 +15,8 @@ var (
 		"upleft":    10,
 		"zoomin":    16,
 		"zoomout":   32,
+		"zoom_in":   16,
+		"zoom_out":  32,
 	}
 
 	ptzSpeedMap = map[string]uint8{
diff --git a/pkg/service/ptz_test.go b/pkg/service/ptz_test.go
index a715a0f..2d56483 100644
--- a/pkg/service/ptz_test.go
+++ b/pkg/service/ptz_test.go
@@ -159,7 +159,7 @@ func TestPTZCmdMap(t *testing.T) {
 	// 验证所有预定义的命令都存在
 	expectedCommands := []string{
 		"stop", "right", "left", "down", "downright", "downleft",
-		"up", "upright", "upleft", "zoomin", "zoomout",
+		"up", "upright", "upleft", "zoomin", "zoomout", "zoom_in", "zoom_out",
 	}
 
 	for _, cmd := range expectedCommands {