diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/mapper/OemStatementMapper.xml b/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/mapper/OemStatementMapper.xml
index 5b525e31f..1b7cd1229 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/mapper/OemStatementMapper.xml
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/mapper/OemStatementMapper.xml
@@ -395,7 +395,7 @@
         to_char(d.put_store_time, 'yyyy-MM-dd') as PUT_STORE_DATE,
         d.make_qty,
         d.make_qty * e.po_area as total_area,
-        p.plate_thickness as ROS_THICKNESS,
+        TO_NUMBER(p.plate_thickness) as ROS_THICKNESS,
         p.plate_thickness,
         e.plate,
         e.part_code,