diff --git a/resources/mybatis/index/IndexHomeDetailsMapper.xml b/resources/mybatis/index/IndexHomeDetailsMapper.xml
index a934aab..5c496c9 100644
--- a/resources/mybatis/index/IndexHomeDetailsMapper.xml
+++ b/resources/mybatis/index/IndexHomeDetailsMapper.xml
@@ -597,7 +597,7 @@
 				 mt.`NAME`  as maName,
 				 mt.UNIT as maUnit,
 				 mt.is_COUNT AS isCount,
-				 mt.NUM as storageNum
+			     CAST(mt.NUM AS SIGNED) AS storageNum
 			FROM
 				mm_type mt
 			LEFT JOIN mm_type mt2 on mt.PARENT_ID = mt2.ID