Update README.md

Author: neuralchen

README.md

@@ -67,6 +67,8 @@ The training script is slightly different from the original version, e.g., we re
 
 In order to ensure the normal training, the batch size must be greater than 1.
 
+Friendly reminder, due to the difference in training settings, the user-trained model will have subtle differences in visual effects from the pre-trained model we provide.
+
 - Train 224 models with VGGFace2 224*224 [VGGFace2-224 (10.8G)](https://drive.google.com/file/d/19pWvdEHS-CEG6tW3PdxdtZ5QEymVjImc/view?usp=sharing)
 ```
 python train.py --name simswap224_test --batchSize 4  --gpu_ids 0 --dataset /path/to/VGGFace2HQ --Gdeep False