diff --git a/service/tool.go b/service/tool.go
index 287d7e8..fd11118 100644
--- a/service/tool.go
+++ b/service/tool.go
@@ -70,7 +70,10 @@ func SetDeviceCurrentFrameV2(frame *gocv.Mat, device_id int) error {
 		//if err != nil {
 		//	log.Printf("设备:%d, 错误: 无法关闭帧\n", device_id)
 		//}
-		Device1CurrentFrame = *frame
+		if Device1CurrentFrame.Empty() {
+			Device1CurrentFrame = gocv.NewMatWithSize((*frame).Rows(), (*frame).Cols(), (*frame).Type())
+		}
+		(*frame).CopyTo(&Device1CurrentFrame)
 		//err := deepcopier.Copy(*frame).To(&Device1CurrentFrame)
 		//if err != nil {
 		//	log.Printf("设备:%d, 错误: 无法设置帧,err: %s \n", device_id, err.Error())