新增照片水印，将照片转为二进制前先打上水印

rain

2024-04-19 999c71172bc2135665bf84f5b345d59be01f28bb

 src/main/java/com/dji/sample/manage/model/receiver/WirelessLinkStateReceiver.java

@@ -15,7 +15,7 @@

    private Integer downloadQuality;

    private Integer frequencyBand;
    private Double frequencyBand;

    private Integer upwardQuality;