优化IO问题

admin/dashboard/blueprints/system.py

@@ -42,7 +42,7 @@ def api_system_info():
             "disk_usage": psutil.disk_usage('/').percent,
             "uptime": time.time() - APP_START_TIME,  # 使用应用启动时间计算运行时长
             "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
-            "open_files":  psutil.Process(os.getpid()).open_files()
+            "open_files": len(psutil.Process(os.getpid()).open_files())
         }
 
         return jsonify({"success": True, "data": system_info})