优化相关设备的格式显示

app.py

@@ -62,10 +62,18 @@ def create_app(config_name='default'):
             # 让处理器处理请求
             items = handler.handle(**request_params)
             
-            # 生成RSS XML
-            rss_xml = rss_generator.generate_rss(items)
+            if not items:
+                return Response("No data available", status=204)
+            
+            if handler_name == 'crypto':
+                motdTitle = request_params.get('pair', app.config['DEFAULT_CRYPTO_PAIR'])
+                motdTitle = motdTitle.replace('-', '/').upper()
+                rss_xml = rss_generator.generate_rss(items, motdTitle=motdTitle)
+            else:
+                rss_xml = rss_generator.generate_rss(items)
             
             return Response(rss_xml, mimetype='application/rss+xml')
+
             
         except Exception as e:
             logger.error(f"生成RSS时出错: {e}")