fix applyOrder bug

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

@@ -232,7 +232,7 @@ public class MusicGroupController extends BaseController {
 
         Integer userId = studentRegistration.getUserId();
 
-        StudentPaymentOrder ApplyOrder = studentPaymentOrderService.findMusicGroupApplyOrderByStatus(userId, studentRegistration.getMusicGroupId().toString(), DealStatusEnum.SUCCESS);
+        StudentPaymentOrder ApplyOrder = studentPaymentOrderService.findMusicGroupApplyOrderByStatus(userId, studentRegistration.getMusicGroupId(), DealStatusEnum.SUCCESS);
         StudentPaymentOrder waitPay = studentPaymentOrderService.findMusicGroupApplyOrderByStatus(userId, studentRegistration.getMusicGroupId(), DealStatusEnum.WAIT_PAY);
         if (ApplyOrder != null && waitPay == null) {
             return failed("您已支付成功，请勿重复支付");