diff --git a/pqs-event/event-api/src/main/java/com/njcn/event/utils/EventUtil.java b/pqs-event/event-api/src/main/java/com/njcn/event/utils/EventUtil.java
new file mode 100644
index 000000000..aa4bc7073
--- /dev/null
+++ b/pqs-event/event-api/src/main/java/com/njcn/event/utils/EventUtil.java
@@ -0,0 +1,36 @@
+package com.njcn.event.utils;
+
+import java.text.DecimalFormat;
+
+/**
+ * Description:暂态事件工具类
+ * Date: 2025/03/12  上午 9:26【需求编号】
+ *
+ * @author clam
+ * @version V1.0.0
+ */
+public class EventUtil {
+    /**
+    * @Description: 暂态严重度计算
+    * @Param:  persisttime持续时间毫秒，eventvaule暂减深度
+    * @return: java.lang.String
+    * @Author: clam
+    * @Date: 2025/03/12
+    */
+    public static String getYzd(Float persisttime, Float eventvaule) {
+        float yzd;
+        DecimalFormat df = new DecimalFormat("0.000");// 格式化小数
+        if (persisttime <= 20) {
+            yzd = 1 - eventvaule;
+        } else if (persisttime > 20 && persisttime <= 200) {
+            yzd = 2 * (1 - eventvaule);
+        } else if (persisttime > 200 && persisttime <= 500) {
+            yzd = 3.3f * (1 - eventvaule);
+        } else if (persisttime > 500 && persisttime <= 10000) {
+            yzd = 5 * (1 - eventvaule);
+        } else {
+            yzd = 10 * (1 - eventvaule);
+        }
+        return df.format(yzd);
+    }
+}
diff --git a/pqs-event/event-boot/src/main/java/com/njcn/event/service/majornetwork/Impl/EventDetailServiceImpl.java b/pqs-event/event-boot/src/main/java/com/njcn/event/service/majornetwork/Impl/EventDetailServiceImpl.java
index ca89537b1..b06f73032 100644
--- a/pqs-event/event-boot/src/main/java/com/njcn/event/service/majornetwork/Impl/EventDetailServiceImpl.java
+++ b/pqs-event/event-boot/src/main/java/com/njcn/event/service/majornetwork/Impl/EventDetailServiceImpl.java
@@ -6,6 +6,7 @@ import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.njcn.event.utils.EventUtil;
 import com.njcn.event.mapper.majornetwork.EventDetailMapper;
 import com.njcn.event.pojo.dto.EventDeatilDTO;
 import com.njcn.event.pojo.po.EventDetail;
@@ -137,7 +138,8 @@ public class EventDetailServiceImpl extends ServiceImpl<EventDetailMapper, RmpEv
         rmpEventDetailPO.setPhase(deatilDTO.getPhase());
         rmpEventDetailPO.setWavePath(deatilDTO.getWavePath());
         rmpEventDetailPO.setEventDescribe(" ");
-        rmpEventDetailPO.setSeverity(0.00);
+        String severity = EventUtil.getYzd(deatilDTO.getDuration().floatValue(),(deatilDTO.getAmplitude().floatValue()/100));
+        rmpEventDetailPO.setSeverity(Double.valueOf(severity));
         rmpEventDetailPO.setCreateTime(LocalDateTime.now());
 
         RmpEventDetailPO one = this.lambdaQuery().eq(RmpEventDetailPO::getLineId, rmpEventDetailPO.getLineId()).eq(RmpEventDetailPO::getStartTime, rmpEventDetailPO.getStartTime()).one();