diff --git a/src/main/java/com/peanut/modules/common/service/impl/TrainingClassServiceImpl.java b/src/main/java/com/peanut/modules/common/service/impl/TrainingClassServiceImpl.java
index 2bbaf12c..e4af8312 100644
--- a/src/main/java/com/peanut/modules/common/service/impl/TrainingClassServiceImpl.java
+++ b/src/main/java/com/peanut/modules/common/service/impl/TrainingClassServiceImpl.java
@@ -113,12 +113,22 @@ public class TrainingClassServiceImpl extends ServiceImpl<TrainingClassDao, Trai
 
     @Override
     public void addTrainingClassForUser(BuyOrder buyOrder) {
-        TrainingToUser trainingToUser = new TrainingToUser();
-        trainingToUser.setTrainingId(buyOrder.getTrainingClassId());
-        trainingToUser.setUserId(buyOrder.getUserId());
-        trainingToUser.setOrderSn(buyOrder.getOrderSn());
-        trainingToUser.setIdentity(buyOrder.getTrainingClassIdentity());
-        trainingToUserService.save(trainingToUser);
+        int count = trainingToUserService.count(new LambdaQueryWrapper<TrainingToUser>()
+                .eq(TrainingToUser::getUserId,buyOrder.getUserId())
+                .eq(TrainingToUser::getTrainingId,buyOrder.getTrainingClassId()));
+        if (count == 0){
+            TrainingToUser trainingToUser = new TrainingToUser();
+            trainingToUser.setTrainingId(buyOrder.getTrainingClassId());
+            trainingToUser.setUserId(buyOrder.getUserId());
+            trainingToUser.setOrderSn(buyOrder.getOrderSn());
+            String identity = buyOrder.getTrainingClassIdentity();
+            if ("".equals(identity)){
+                Map<String,Object> info =  getFinalPriceByUser(buyOrder.getTrainingClassId(),buyOrder.getUserId());
+                identity = info.get("identity").toString()+"："+info.get("fee").toString();
+            }
+            trainingToUser.setIdentity(identity);
+            trainingToUserService.save(trainingToUser);
+        }
     }
 
 }