Update README.md

README.md

@@ -91,7 +91,7 @@ chatglm_fitness_lora
     └── adapter_model.bin
 ```
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-## Usage2 16G及以下显存用户下载整个模型，可支持支持fp16、int8、int4
+## Usage2 16G及以下显存用户下载整个模型，可支持fp16、int8、int4
 First, you pass your input through the transformer model, then you get the generated sentence.
 ```
 pip install transformers