diff --git a/service/tool.go b/service/tool.go
index d70081c..ccf10ca 100644
--- a/service/tool.go
+++ b/service/tool.go
@@ -65,8 +65,16 @@ func SetDeviceCurrentFrameV2(frame *gocv.Mat, device_id int) error {
 	//设置当前帧
 	switch device_id {
 	case 1:
+		err := Device1CurrentFrame.Close()
+		if err != nil {
+			log.Printf("设备:%d, 错误: 无法关闭帧\n", device_id)
+		}
 		Device1CurrentFrame = *frame
 	case 50:
+		err := Device50CurrentFrame.Close()
+		if err != nil {
+			log.Printf("设备:%d, 错误: 无法关闭帧\n", device_id)
+		}
 		Device50CurrentFrame = *frame
 	}
 	frame_count, ok := DeviceFrameCount.Load(device_id)