diff --git a/src/main/java/com/spring/modules/material/data/FindByNum.java b/src/main/java/com/spring/modules/material/data/FindByNum.java
index 38f2e83..ef78f67 100644
--- a/src/main/java/com/spring/modules/material/data/FindByNum.java
+++ b/src/main/java/com/spring/modules/material/data/FindByNum.java
@@ -41,5 +41,7 @@ public class FindByNum extends QueryPage {
     private Date expiredDate;
     //卷数量
     private int num;
+    //剩余有效期天数
+    private int daysUntilExpired;
 
 }
diff --git a/src/main/resources/mapper/material/SeekByTransMapper.xml b/src/main/resources/mapper/material/SeekByTransMapper.xml
index ca90174..6cc5d76 100644
--- a/src/main/resources/mapper/material/SeekByTransMapper.xml
+++ b/src/main/resources/mapper/material/SeekByTransMapper.xml
@@ -70,9 +70,11 @@
         d.part_desc,
         c.itemNo,
         c.expiredDate,
+        DATEDIFF(day, GETDATE(), c.expiredDate) AS daysUntilExpired,
         (SELECT COUNT(*)
         FROM TransDetailsub
         WHERE transNo = a.transNo AND itemNo = c.itemNo) AS num
+
         FROM
         TransHeader AS a
         INNER JOIN TransDetail AS c ON a.Site = c.Site