update:重复支付

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentPaymentOrderServiceImpl.java

@@ -834,6 +834,9 @@ public class StudentPaymentOrderServiceImpl extends BaseServiceImpl<Long, Studen
         if (payStatus == PayStatus.SUCCESSED) {
             throw new BizException("订单已支付成功，请勿重复支付");
         }
+        if (payStatus == PayStatus.PAYING) {
+            throw new BizException("有一笔支付中的订单，请勿重复支付");
+        }
         if (!repeatPay) {
             return BaseController.failed(HttpStatus.CONTINUE, "您有待支付的订单,是否继续支付");
         }