diff --git a/lib/okplugins/okTab.js b/lib/okplugins/okTab.js
index 5c8f97a..3301954 100644
--- a/lib/okplugins/okTab.js
+++ b/lib/okplugins/okTab.js
@@ -8,7 +8,7 @@ layui.define(["element", "layer"], function (exports) {
         add: function (title, path, tabId) {
 			console.log(title, path, tabId);
             // 去重复选项卡
-            var okFrame = $(".ok-frame");
+            var okFrame = $(".ok-frame", window.top.document);
             for (var i = 0; i < okFrame.length; i++) {
                 var _tabId = okFrame.eq(i).attr("tab-id");
                 if (_tabId == tabId) {