Update app.py

app.py

@@ -16,7 +16,7 @@ api_key = os.environ.get('API_KEY')
 llm =OpenAILike(model=model, api_base=api_base_url, api_key=api_key, is_chat_model=True,callback_manager=callback_manager)
 
 st.set_page_config(page_title="llama_index_demo", page_icon="🦜🔗")
-st.title("llama_index_demo")
+st.title("llamaindex_demo")
 
 os.system('git lfs install')
 os.system('git clone https://www.modelscope.cn/Ceceliachenen/paraphrase-multilingual-MiniLM-L12-v2.git')