diff --git a/emis-biz/src/main/java/com/xdadan/erp/emis/mapper/EmisElectronicSitePagMapper.java b/emis-biz/src/main/java/com/xdadan/erp/emis/mapper/EmisElectronicSitePagMapper.java
index e39690795..c041de601 100644
--- a/emis-biz/src/main/java/com/xdadan/erp/emis/mapper/EmisElectronicSitePagMapper.java
+++ b/emis-biz/src/main/java/com/xdadan/erp/emis/mapper/EmisElectronicSitePagMapper.java
@@ -74,7 +74,7 @@ public interface EmisElectronicSitePagMapper extends BaseMapper<EmisElectronicSi
      * @param id
      * @return
      */
-    @Update("update emis_electronic_site_pag set has_bill_count=has_bill_count-useQty where id=${id} ")
+    @Update("update emis_electronic_site_pag set has_bill_count=has_bill_count-${useQty} where id=${id} ")
     public int updateRealMatchSubBill(@Param("useQty") Integer useQty,@Param("id")Long id);
 
     /**