Update model.py

model.py

@@ -13,8 +13,8 @@ def download_model():
     print("Downloaded " + file)
     return file
 
-model_repo = "LinkSoul/Chinese-Llama-2-7b-ggml"
-model_filename = "Chinese-Llama-2-7b.ggmlv3.q4_0.bin"
+model_repo = "TheBloke/Llama-2-13B-chat-GGML"
+model_filename = "llama-2-13b-chat.ggmlv3.q4_K_S.bin"
 # model_filename = "Chinese-Llama-2-7b.ggmlv3.q8_0.bin"
 model_path = download_model()