update销售列表退货接口

mec-web/src/main/java/com/ym/mec/web/controller/SellOrderController.java

@@ -94,7 +94,7 @@ public class SellOrderController extends BaseController {
         if (!sellOrder.getStatus().equals(SellStatus.NORMAL)) {
             return failed("当前状态不能退货，请核查");
         }
-        if (!sellOrder.getType().equals(SellTypeEnum.SCHOOL_BUY)) {
+        if (sellOrder.getType().equals(SellTypeEnum.SCHOOL_BUY)) {
             return failed("学校采购不能退货");
         }
         if (sellOrder.getParentGoodsId() != null && (reTry == null || !reTry)) {