[前端+RAG] 修复PDF文字重叠；上传异步化(LLM+向量化后台执行)；摘要关键词模型改为deepseek-v3

langchain-chat/server/knowledge_base/utils.py

@@ -390,7 +390,7 @@ class KnowledgeFile:
             llm_time = time.time()
             abstract_task = get_llm_model_response_async(
                 strategy_name="gen_abstract",
-                llm_model_name=LLM_MODELS[1],
+                llm_model_name=LLM_MODELS[0],
                 template_prompt_name="gen_abstract",
                 prompt_param_dict={"context": full_text},
                 temperature=0.7,
@@ -399,7 +399,7 @@ class KnowledgeFile:
 
             keywords_task = get_llm_model_response_async(
                 strategy_name="gen_keywords",
-                llm_model_name=LLM_MODELS[1],
+                llm_model_name=LLM_MODELS[0],
                 template_prompt_name="gen_keywords",
                 prompt_param_dict={"context": full_text},
                 temperature=0.7,