diff --git a/db/prompt_store.py b/db/prompt_store.py
index 85a0481..0db2e6a 100644
--- a/db/prompt_store.py
+++ b/db/prompt_store.py
@@ -1,5 +1,4 @@
 import os
-import json
 import sys
 from typing import Optional
 from pathlib import Path
diff --git a/frontend/setting_page.py b/frontend/setting_page.py
index 21c3bc6..1e827de 100644
--- a/frontend/setting_page.py
+++ b/frontend/setting_page.py
@@ -1,9 +1,7 @@
 import gradio as gr
 from typing import List
 from sqlmodel import Session, select
-from db import get_sqlite_engine
 from schema import APIProvider
-import os
 from global_var import sql_engine
 
 def setting_page():
diff --git a/global_var.py b/global_var.py
index 67c140f..f5c1482 100644
--- a/global_var.py
+++ b/global_var.py
@@ -1,5 +1,4 @@
-from db import get_sqlite_engine
-from db import get_prompt_tinydb
+from db import get_sqlite_engine,get_prompt_tinydb
 
 prompt_store = get_prompt_tinydb("workdir")
 sql_engine = get_sqlite_engine("workdir")
\ No newline at end of file