diff --git a/backend/app/engine/__init__.py b/backend/app/engine/__init__.py
index a224477..7a351cc 100644
--- a/backend/app/engine/__init__.py
+++ b/backend/app/engine/__init__.py
@@ -1,15 +1,13 @@
 import os
 
+from llama_index.core.agent import AgentRunner, ReActChatFormatter
 from llama_index.core.settings import Settings
-from llama_index.core.agent import AgentRunner, StructuredPlannerAgent, FunctionCallingAgentWorker, ReActChatFormatter
 from llama_index.core.tools.query_engine import QueryEngineTool
-from sqlalchemy import create_engine, Engine
-from llama_index.core.response_synthesizers.type import ResponseMode
 
 from app.engine.engine import create_query_engine, create_summary_query_engine
+from app.engine.index import get_index
 from app.engine.loaders.db import makeDescriptionByEngine
 from app.engine.tools import ToolFactory
-from app.engine.index import get_index
 
 
 def get_chat_engine(filters=None, params=None):
@@ -32,7 +30,7 @@ def get_chat_engine(filters=None, params=None):
         summary_query_tool = QueryEngineTool.from_defaults( query_engine=summary_query_engine, name="summary_query_tool",
                                                             description="适用于任何需要进行全面总结、概括的要求。",
                                                             )
-        query_engine = create_query_engine()
+        query_engine = create_query_engine(index)
         query_engine_tool = QueryEngineTool.from_defaults(query_engine=query_engine, name="zj_query_tool",
                                                           )