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/entity/DevicePayloadEntity.java

@@ -53,4 +53,7 @@
    @TableField(value = "payload_desc")
    private String payloadDesc;

    @TableField(value = "control_source")
    private String controlSource;

}