Update main.py

main.py

@@ -168,7 +168,7 @@ def analyze_image_with_text(image_path: str, user_text: str) -> str:
 tools = [generate_and_upload_image, analyze_image_with_text]
 
 # 建立 LLM 模型實例
-llm = ChatGoogleGenerativeAI(google_api_key=google_api, model="gemini-2.5-flash-lite", temperature=0.2)
+llm = ChatGoogleGenerativeAI(google_api_key=google_api, model="gemini-2.5-flash", temperature=0.2)
 
 # 建立提示模板
 prompt_template = ChatPromptTemplate([