Update main.py

main.py

@@ -32,6 +32,8 @@ from langchain.agents import create_tool_calling_agent, AgentExecutor
 
 # 設置 Google AI API 金鑰
 google_api = os.environ["GOOGLE_API_KEY"]
+genai_client = genai.Client(api_key=google_api)
+
 # 設置 Line Bot 的 API 金鑰和秘密金鑰
 line_bot_api = LineBotApi(os.environ["CHANNEL_ACCESS_TOKEN"])
 line_handler = WebhookHandler(os.environ["CHANNEL_SECRET"])
@@ -101,7 +103,7 @@ def generate_and_upload_image(prompt: str) -> str:
         生成圖片的 URL。
     """
     try:
-        genai_client = genai.Client(api_key=google_api)
+        # genai_client = genai.Client(api_key=google_api)
         response = genai_client.models.generate_content(
             model="gemini-2.0-flash-exp",
             contents=prompt,
@@ -146,12 +148,13 @@ def analyze_image_with_text(image_path: str, user_text: str) -> str:
         img_user = PIL.Image.open(image_path)
         
         # 建立一個新的聊天模型實例，以確保狀態獨立
-        chat_model = ChatGoogleGenerativeAI(
-            model="gemini-2.0-flash-exp",
-            temperature=0.5,
-            top_p=0.5,
-            top_k=16
-        )
+        # chat_model = ChatGoogleGenerativeAI(
+        #     model="gemini-2.0-flash-exp",
+        #     temperature=0.5,
+        #     top_p=0.5,
+        #     top_k=16
+        # )
+        chat_model = client.chats.create(model="gemini-2.0-flash-exp", temperature=0.5, top_p=0.5,top_k=16)
         
         response = chat_model.invoke([
             {"role": "user", "content": [