插入培训班时添加身份

src/main/java/com/peanut/modules/common/service/impl/TrainingClassServiceImpl.java

@@ -122,7 +122,7 @@ public class TrainingClassServiceImpl extends ServiceImpl<TrainingClassDao, Trai
             trainingToUser.setUserId(buyOrder.getUserId());
             trainingToUser.setOrderSn(buyOrder.getOrderSn());
             String identity = buyOrder.getTrainingClassIdentity();
-            if ("".equals(identity)){
+            if (buyOrder.getTrainingClassIdentity()==null||"".equals(identity)){
                 Map<String,Object> info =  getFinalPriceByUser(buyOrder.getTrainingClassId(),buyOrder.getUserId());
                 identity = info.get("identity").toString()+"："+info.get("fee").toString();
             }