diff --git a/Backend/Views/DeviceManage/Index.cshtml b/Backend/Views/DeviceManage/Index.cshtml
index d943415..cb23ecf 100644
--- a/Backend/Views/DeviceManage/Index.cshtml
+++ b/Backend/Views/DeviceManage/Index.cshtml
@@ -762,7 +762,7 @@
 
                         currentData = $.map(currentData, function (item) {
 
-                            if (item.device_system_category_layer3 == "L1" || item.device_system_category_layer3 == "L2") {
+                        if (item.device_name_tag == "L1" || item.device_name_tag == "L2") {
                                 //照明設備
                                 $("#device-master-list-btn").show();
                                 deviceInfoTable.column(0).visible(true); //點擊顯示子節點