Update app.py

app.py

@@ -78,3 +78,13 @@ print("training parameter set")
 
 # 启动微调
 trainer.train()
+
+print("training completed")
+
+# 评估模型
+results = trainer.evaluate()
+print(results)
+
+# 保存模型
+trainer.save_model('./fine_tuned_model')
+print("trained model saved")