fix 新增限制提示语

netflix-service/src/main/java/com/cyksj/service/register/impl/RegisterOrderDonServiceImpl.java

@@ -122,7 +122,7 @@ public class RegisterOrderDonServiceImpl extends ServiceImpl<RegisterOrderDonMap
                 .notIn(RegisterOrderDon::getStatus, List.of(RegisterOrderDon.Status.noPayment, RegisterOrderDon.Status.error))
                 .eq(RegisterOrderDon::getIsFree, true));
         if(count > 0){
-            return false;
+            throw BusinessRuntimeException.getInstance("您已使用过注册码进行注册过啦，如需再次注册请清除注册码再提交哦");
         }
         SysConfig sysConfig = sysConfigService.getOne(Wrappers.lambdaQuery(SysConfig.class).eq(SysConfig::getSysKey, "spotify_free_code"));
         if (sysConfig == null) {