空指针金额问题

cash-common/cash-common-service/src/main/java/com/czg/order/entity/OrderDetail.java

@@ -190,6 +190,14 @@ public class OrderDetail implements Serializable {
         return returnAmount == null ? BigDecimal.ZERO : returnAmount;
     }
 
+    public BigDecimal getReturnNum() {
+        return returnNum == null ? BigDecimal.ZERO : returnNum;
+    }
+
+    public BigDecimal getPackAmount() {
+        return packAmount == null ? BigDecimal.ZERO : packAmount;
+    }
+
     public String getRefundRemark() {
         return StrUtil.isBlank(refundRemark) ? "" : refundRemark + " ";
     }