优化

database_server.py

@@ -63,7 +63,8 @@ async def cache_data(request: Request, file_name: str):
     account_info = json.loads(service.get(access_token, "info.json", False))
     if account_info and account_info["enabled"] and account_info["role"] == 'admin':
         return Response(status_code=401, content="the token is not valid")
-    content = json.loads(service.get(access_token, file_name))
+    data = service.get(access_token, file_name, False)
+    content = json.loads(data) if data else ""
     return JSONResponse(content)