diff --git a/service/tool.go b/service/tool.go
index a234b07..7b61985 100644
--- a/service/tool.go
+++ b/service/tool.go
@@ -93,7 +93,7 @@ func getVideoFrame(device proto.DeviceInfo) {
 		z++
 		err2 := frame.Close()
 		if err2 != nil {
-			fmt.Println("设备:%d 错误: 无法关闭帧", device.ID)
+			fmt.Println("设备:%d,计数z=%d, 错误: 无法关闭帧", device.ID, z)
 		}
 	}
 }