可能由于图源 jpg 压缩的关系，生成的图像有时会出现竖条纹。提高步数能够一定程度避免该问题。The generated image may have vertical stripes due to the compression of the source jpg. Increasing the number of steps can avoid this problem to a certain extent. 建议 guidance 2.5-3.5, 更大的 guidance 能够使脸部更有立体感，而更小的 guidance 则更加自然。Guidance 2.5-3.5 is recommended. A larger guidance can make the face more three-dimensional, while a smaller guidance is more natural.

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