fix: 饱和度浓度超过200，连续8小时，报警新增。

intc-modules/intc-iot/src/main/java/com/intc/iot/config/AliyunIotProperties.java

@@ -89,6 +89,18 @@ public class AliyunIotProperties {
      */
     private int offlineWarnDelayMinutes = 6;
 
+    /**
+     * 夜间溶解氧饱和度告警阈值（%），超过此值时开始计时
+     * 对应 C# DeviceSaturabilityWarnValue = 200
+     */
+    private double saturabilityWarnValue = 200;
+
+    /**
+     * 夜间溶解氧饱和度持续超阈值后才触发告警的小时数
+     * 对应 C# DeviceSaturabilityWarnHour = 8
+     */
+    private int saturabilityWarnHours = 8;
+
     @Data
     public static class VmsMnsConfig {
         /**