diff --git a/busi-back/busi-back-serviceImpl/src/main/java/com/huatek/busi/service/impl/transformerCalUtils/AgingHealthIndexUtil.java b/busi-back/busi-back-serviceImpl/src/main/java/com/huatek/busi/service/impl/transformerCalUtils/AgingHealthIndexUtil.java
index 85439e9..2e6007c 100644
--- a/busi-back/busi-back-serviceImpl/src/main/java/com/huatek/busi/service/impl/transformerCalUtils/AgingHealthIndexUtil.java
+++ b/busi-back/busi-back-serviceImpl/src/main/java/com/huatek/busi/service/impl/transformerCalUtils/AgingHealthIndexUtil.java
@@ -54,6 +54,9 @@ public class AgingHealthIndexUtil {
         log.info("--->  变压器:{}, 初始老化系数：{}", name, B0);
 
         log.info("--->  变压器:{}, 投运时间：{}", name, deliveryTime);
+        if (deliveryTime == null){
+            throw new OwlException("变压器:" + name + ",缺少投运时间");
+        }
         long dayDiff = instance.calcDateDifference(deliveryTime, LocalDate.now(), "YEARS");
         log.info("--->  变压器:{}, 运行时间：{}", name, dayDiff);