2025.8.28 1. 添加走航季度报告相关统计功能（待完成）

riku

2025-08-28 3bb4fb15c664d29d179083698fdad35a661b1d7f

 src/main/kotlin/com/flightfeather/uav/common/utils/FileUtil.kt

@@ -65,12 +65,12 @@
//            }
            //新建输出流
            fw = FileWriter(file, true)
            bw = BufferedWriter(fw)
            bw = fw?.let { BufferedWriter(it) }
        }
        //第一次写文档时初始化输出流
        if (bw == null || fw == null) {
            fw = FileWriter(file, true)
            bw = BufferedWriter(fw)
            bw = fw?.let { BufferedWriter(it) }
        }

        bw?.run {