Update README.md

README.md

@@ -11,6 +11,6 @@ ChemLLM version 1.5 has been open sourced. It has also released a version that h
 The evaluation set and part of the training set will also be contributed to the community in days, so stay tuned ✧٩(ˊωˋ*)و✧
 
 ChemLLM-1.5
-https://huggingface.co/AI4Chem/ChemLLM-7B-Chat-1.5-DPO
+https://huggingface.co/AI4Chem/ChemLLM-7B-Chat-1_5-DPO
 
-ChemLLM-1.5-dpo https://huggingface.co/AI4Chem/ChemLLM-7B-Chat-1.5-SFT
+ChemLLM-1.5-dpo https://huggingface.co/AI4Chem/ChemLLM-7B-Chat-1_5-SFT