diff --git a/src/main/resources/mapper/part/RoutingManagementMapper.xml b/src/main/resources/mapper/part/RoutingManagementMapper.xml
index e037424b..dc749a7f 100644
--- a/src/main/resources/mapper/part/RoutingManagementMapper.xml
+++ b/src/main/resources/mapper/part/RoutingManagementMapper.xml
@@ -1312,7 +1312,7 @@
         END,
         level_cost = CASE level_id
         <foreach item="item" index="index" collection="list" open="" close="" separator=" ">
-            WHEN #{item.levelId} THEN #{item.levelCost}
+            WHEN #{item.levelId} THEN #{item.levelCost,jdbcType=DECIMAL}
         </foreach>
         ELSE level_cost
         END,