correct HuggingFaceEmbeddings and Chroma vector store initialization

function.py

@@ -132,12 +132,29 @@ def retrieve_resume_info(query: str):
 
     print('!! retrieve_resume_info() is called !!')
 
+    import os
+    os.environ["HF_HOME"] = "/tmp/huggingface"
+    os.environ["TRANSFORMERS_CACHE"] = "/tmp/huggingface"
+
+
     # Initialize embedding function
     cv_path = "./CV.docx"
     vector_dir = "./vector"
     model_name = "BAAI/bge-large-zh-v1.5"
     
-    embeddings = HuggingFaceEmbeddings(model_name=model_name)
+    #embeddings = HuggingFaceEmbeddings(model_name=model_name)
+    # 設置模型參數
+    model_kwargs = {'device': 'cpu'}  # 如果有 GPU，改成 'cuda'
+    encode_kwargs = {'normalize_embeddings': False}  # 是否標準化向量
+
+    # 初始化 Hugging Face Embeddings
+    embeddings = HuggingFaceEmbeddings(
+        model_name=model_name,
+        model_kwargs=model_kwargs,
+        encode_kwargs=encode_kwargs
+    )
+
+
 
     # Check if the vector database already exists
     if os.path.exists(vector_dir):