Update README.md

README.md

@@ -31,8 +31,8 @@ The vision of OpenCSG is to empower every industry, every company, and every ind
 
 ## Model Description
 
-opencsg-CodeLlama-7B is a 34B Code-LLM finetuned by QLoRA of multiple code tasks（600k instrunctions/answers） on the base model CodeLlama-34b-Python. 
-The context length of finetuning is 4K while it is able to be finetuned by 16k context if necessary.
+CodeLlama is a collection of pretrained and fine-tuned generative text models from Llama2, which ranges in scale from 7 billion to 34 billion parameters.
+Based on CodeLlama, Opencsg-CodeLlama is a series of fintuned models througth full-paramters fine-tuning method. 
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