fix model version type

README.md

@@ -21,5 +21,5 @@ Tiger Research is a futuristic research lab under Tigerobo, dedicated to applyin
 |                   | v1 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-7b-base-v1)] | bloom        | 16.2           | From bloom weights        |
 | tigerbot-7b-chat  | v3 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-7b-chat)] | llama-2      | 13.9           | From tigerbot-7b-base v3  |
 |                   | v2 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-7b-sft-v2)] | bloom        | 16.2           | From tigerbot-7b-base v2  |
-|                   | v2 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-7b-sft-v1)] | bloom        | 16.2           | From tigerbot-7b-base v1  |
+|                   | v1 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-7b-sft-v1)] | bloom        | 16.2           | From tigerbot-7b-base v1  |
 | tigerbot-180b-sft | v1 [[huggingface](https://huggingface.co/TigerResearch/tigerbot-180b-research)] | bloom        | 347.6          | From bloom weights        |