保存绿洲石

src/main/java/com/izouma/nineth/service/RockRecordService.java

@@ -52,7 +52,7 @@ public class RockRecordService {
         RockRecord rock = this.getRock(userId);
         rockRecordRepo.save(RockRecord.builder()
                 .lastRecord(rock.getRecord())
-                .operation("购买")
+                .operation(operation)
                 .amount(amount)
                 .userId(userId)
                 .record(rock.getRecord().add(amount))