增加乐器采购清单确认接口

mec-student/src/main/java/com/ym/mec/student/controller/MusicGroupController.java

@@ -109,7 +109,7 @@ public class MusicGroupController extends BaseController {
         if (studentRegistration == null) {
             return failed(HttpStatus.CONTINUE, "乐团报名信息不存在");
         }
-        if ((studentRegistration.getPaymentStatus() == null || !studentRegistration.getPaymentStatus().equals(PaymentStatusEnum.YES))) {
+        if (studentRegistration.getPaymentStatus() != null && studentRegistration.getPaymentStatus().equals(PaymentStatusEnum.YES)) {
             return failed("您已缴费,请等待乐团开启");
         }
         if (!musicGroup.getStatus().equals(MusicGroupStatusEnum.PAY) && (studentRegistration.getPaymentStatus() == null || !studentRegistration.getPaymentStatus().equals(PaymentStatusEnum.OPEN))) {