@@ -6970,7 +6970,7 @@ U.MD.D.I.openApplicationJieTeacher = function (str, cid, stage, task, tool, stud
if (onloadListener) {
try {
_iframe.src += ""
- _iframe.contentDocument.location.reload()
+ _iframe.contentWindow.document.location.reload()
} catch (error) {
}
} else {
