Update README.md

README.md

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 # LoRA model of the Genshin Characters
-Data source: Manually captured 64 characters at different angles in the character directory of the Genshin game, 20 pictures for each character.
+## Data source: 
+Manually captured 64 characters at different angles in the character directory of the Genshin game, 20 pictures for each character.
 
-Training code: [lora-scripts](https://github.com/Akegarasu/lora-scripts).
+## Training code: 
+[lora-scripts](https://github.com/Akegarasu/lora-scripts).
+
+## Usage:
+
+prompt: 1[Gender], solo, [EN_Name], [Arbitrary scene description], For example, "1girl, solo, Nahida, on the playground".
+
+Negative prompt (You can choose the following three ways):
+1. \
+2. (((NSFW))),poorly drawn, anatomical nonsense, bad anatomy, bad feet, bad hands, bad proportions, quality
+3. (worst quality, low quality:1.4), (monochrome:1.1), turn pale, text, watermark