diff --git a/_server/editor_ui.js b/_server/editor_ui.js
index d0f87779..3e7c7d34 100644
--- a/_server/editor_ui.js
+++ b/_server/editor_ui.js
@@ -528,7 +528,7 @@ editor_ui_wrapper = function (editor) {
             }
             if (ii == 5) {
                 node.onclick = function () {
-                    alert(core.copy(uievent.values.floorId) ? ('楼层ID '+ui.values.floorId+' 已成功复制到剪切板') : '无法复制楼层ID');
+                    alert(core.copy(uievent.values.floorId) ? ('楼层ID '+uievent.values.floorId+' 已成功复制到剪切板') : '无法复制楼层ID');
                 }
             }
             (function (x, y) {