Index: ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/service/RecyclingRecordListSqlGenerator.java
===================================================================
diff -u -r40540 -r40541
--- ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/service/RecyclingRecordListSqlGenerator.java	(.../RecyclingRecordListSqlGenerator.java)	(revision 40540)
+++ ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/service/RecyclingRecordListSqlGenerator.java	(.../RecyclingRecordListSqlGenerator.java)	(revision 40541)
@@ -235,19 +235,31 @@
 			Date start = getDate(dateRange.optJSONObject("start"),0);
 			Date end = getDate(dateRange.optJSONObject("end"),59);
 			if(start != null && end != null && start.before(end)){
-				return recyclingRecordPoName + ".recyclingTime between "
-						+ dateQueryAdapter.dateAdapter(start) + " and "
-						+ dateQueryAdapter.dateAdapter(end);
+				return buildSqlCondition(start, end);
 			}
 		}
-		int historyRecyclingRecordValue = CssdUtils.getQueryPeroidOfModule("HistoryRecyclingRecord");
-		if(historyRecyclingRecordValue <= 0){
-			historyRecyclingRecordValue = 90;
-		}
+		int historyRecyclingRecordDays = getHistoryRecyclingRecordDays();
 		Calendar calendar = Calendar.getInstance();
 		Date end = calendar.getTime();
-		calendar.add(Calendar.DATE, -historyRecyclingRecordValue);
+		calendar.add(Calendar.DATE, -historyRecyclingRecordDays);
 		Date start = calendar.getTime();
+		return buildSqlCondition(start, end);
+	}
+
+	/**
+	 * 辅助方法：获取历史回收记录天数
+	 */
+	private int getHistoryRecyclingRecordDays() {
+		int days = CssdUtils.getQueryPeroidOfModule("HistoryRecyclingRecord");
+		return days > 0 ? days : 90;
+	}
+
+	/**
+	 *  辅助方法：构建SQL条件字符串
+	 * @param start
+	 * @param end
+	 */
+	private String buildSqlCondition(Date start, Date end) {
 		return recyclingRecordPoName + ".recyclingTime between "
 				+ dateQueryAdapter.dateAdapter(start) + " and "
 				+ dateQueryAdapter.dateAdapter(end);