diff --git a/backend/.env.example b/backend/.env.example
index a549405..041d6b9 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -80,4 +80,6 @@ SYSTEM_PROMPT="You are a weather forecast agent. You help users to get the weath
 - You can install any pip package (if it exists) by running a cell with pip install.
 "
 
-PROJECT_TITLE = "您好，我是博微工程理解小助手，您可以问我有关[线路工程]工程数据的相关问题！"
\ No newline at end of file
+PRJTOJSON_URL = 'http://10.1.6.60:8092'
+PROJECT_TITLE = "您好，我是博微工程理解小助手，您可以问我有关[线路工程]工程数据的相关问题！"
+CHAT_UPLOAD_FILECACHE = "./output/uploaded"
\ No newline at end of file
diff --git a/backend/.env.xinference b/backend/.env.xinference
index 7a00d93..b71d658 100644
--- a/backend/.env.xinference
+++ b/backend/.env.xinference
@@ -111,4 +111,6 @@ SYSTEM_PROMPT="You are a weather forecast agent. You help users to get the weath
 - You can install any pip package (if it exists) by running a cell with pip install.
 "
 
-PROJECT_TITLE = "您好，我是博微工程理解小助手，您可以问我有关[线路工程]工程数据的相关问题！"
\ No newline at end of file
+PRJTOJSON_URL = 'http://10.1.6.60:8092'
+PROJECT_TITLE = "您好，我是博微工程理解小助手，您可以问我有关[线路工程]工程数据的相关问题！"
+CHAT_UPLOAD_FILECACHE = "./output/uploaded"
\ No newline at end of file