update 退团，没有报名订单处理

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

@@ -722,7 +722,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         studentPaymentOrderService.update(studentPaymentOrder);
         studentPaymentOrder.setVersion(studentPaymentOrder.getVersion() + 1);
 
-        if (studentPaymentOrder.getPaymentAccountNo().equals("205")) {
+        if ("205".equals(studentPaymentOrder.getPaymentAccountNo())) {
             Map<String, String> notifyMap = new HashMap<>();
             notifyMap.put("hasPaidZero", "205");
             notifyMap.put("orderNo", studentPaymentOrder.getOrderNo());
@@ -893,7 +893,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         studentPaymentOrderService.update(studentPaymentOrder);
         studentPaymentOrder.setVersion(studentPaymentOrder.getVersion() + 1);
 
-        if (studentPaymentOrder.getPaymentAccountNo().equals("205")) {
+        if ("205".equals(studentPaymentOrder.getPaymentAccountNo())) {
             Map<String, String> notifyMap = new HashMap<>();
             notifyMap.put("hasPaidZero", "205");
             notifyMap.put("orderNo", studentPaymentOrder.getOrderNo());