Update app.py

app.py

@@ -9,7 +9,8 @@ callback_manager = CallbackManager()
 
 api_base_url =  "https://internlm-chat.intern-ai.org.cn/puyu/api/v1/"
 model = "internlm2.5-latest"
-api_key = "请填写 API Key"
+api_key =os.getenv("api_key")
+
 
 # api_base_url =  "https://api.siliconflow.cn/v1"
 # model = "internlm/internlm2_5-7b-chat"
@@ -26,14 +27,14 @@ st.title("llama_index_demo")
 @st.cache_resource
 def init_models():
     embed_model = HuggingFaceEmbedding(
-        model_name="/root/model/sentence-transformer"
+        model_name="sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2"
     )
     Settings.embed_model = embed_model
 
     #用初始化llm
     Settings.llm = llm
 
-    documents = SimpleDirectoryReader("/root/llamaindex_demo/data").load_data()
+    documents = SimpleDirectoryReader("./data").load_data()
     index = VectorStoreIndex.from_documents(documents)
     query_engine = index.as_query_engine()