feat: findOrder数量返回异常修复

src/main/java/com/chaozhanggui/system/cashierservice/entity/po/SkuInfoPo.java

@@ -9,7 +9,7 @@ public class SkuInfoPo {
 
     private String productName;
     private String productSkuName;
-    private Integer num;
+    private BigDecimal num;
     private BigDecimal priceAmount;
     private BigDecimal packAmount;
     private String categoryId;