diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/MaDevInfoMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/MaDevInfoMapper.xml
index 3bdd5c9..ffeea52 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/MaDevInfoMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/MaDevInfoMapper.xml
@@ -330,6 +330,7 @@
         mdi.device_name AS name,
         mdi.item_type_model As specificationModel,
         mdi.code AS code,
+        mdi.expirationTime as expirationTime
         mdi.up_down_status AS upDownStatus,
         mdi.change_status AS status,
         TIMESTAMPDIFF(YEAR, mdi.production_date, CURDATE()) AS serviceLife,