增加配置minFeeThreadSize，可动态设置生成最小费额文件的线程数量，不设置默认为2个线程

ParamDownload/src/main/java/com/nm/gsgl/service/impl/MinFeeServiceImpl.java

@@ -78,12 +78,11 @@ public class MinFeeServiceImpl implements MinFeeService {
             minFtpDownloadService.getMinFeeHrMdTask(uuid);
             //开始查询sqlite任务表中华软未处理数据任务
             List<BusinessTasks> businessTasks = DatabaseUtil.selectBusines(sqliteDriverName, sqliteUrl, Constant.SELECT_BUSINESS_HANDLER_HR_MIN_FEE);
-
-
+            String minFeeThreadSize = PropertiesUtil.getValue("minFeeThreadSize");
+            int minFeeThreadSizeInt = Integer.parseInt((minFeeThreadSize != null) ? minFeeThreadSize : "2");
             if (businessTasks.size() > 0) {
-
                 //创建线程池
-                ExecutorService executor = Executors.newFixedThreadPool(2); // 可以根据实际情况调整线程池的大小
+                ExecutorService executor = Executors.newFixedThreadPool(minFeeThreadSizeInt); // 可以根据实际情况调整线程池的大小
                 for (BusinessTasks businessTask : businessTasks) {
                     final String protocolType = businessTask.getProtocolType();
                     executor.submit(() -> {