change model to v3

tasks/account_recognize_by_llm.py

@@ -106,7 +106,7 @@ def recognize_each_account(thread_db_client, account):
         return
 
     prompt = generate_prompt(title_list)
-    response = fetch_deepseek_response(model="DeepSeek-R1", prompt=prompt)
+    response = fetch_deepseek_response(model="DeepSeek-V3", prompt=prompt)
     response_score_str = response.strip()
     try:
         score_list = json.loads(response_score_str)