update：退款报表调整默认日期

src/main/java/com/saye/hospitalgd/controller/FinancialReconciliation/RefundStatisticsController.java

@@ -52,8 +52,8 @@ public class RefundStatisticsController {
             Calendar calendar = Calendar.getInstance();
             calendar.setTime(new Date());
 
-            // 默认查询最近365天的数据（一年）
-            calendar.add(Calendar.DATE, -365);
+            // 默认查询最近1个月的数据
+            calendar.add(Calendar.MONTH, -1);
             Date startDate = calendar.getTime();
 
             String startTime = DateDUtil.DateToStr(DateDUtil.yyyy_MM_dd, startDate);