From 6e6b96a598f5cbb97789c2d27a8f20d03ac7fd5c Mon Sep 17 00:00:00 2001
From: tianya <yanghuxiao@vip.qq.com>
Date: Tue, 29 Nov 2022 21:49:11 +0800
Subject: [PATCH] Update feedback_main.htm

---
 src/admin/templets/feedback_main.htm | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/admin/templets/feedback_main.htm b/src/admin/templets/feedback_main.htm
index 0b2ce504..cbaab31f 100644
--- a/src/admin/templets/feedback_main.htm
+++ b/src/admin/templets/feedback_main.htm
@@ -14,6 +14,9 @@
 			//获得选中文件的文件名
 			function getCheckboxItem() {
 				var allSel = "";
+				if (typeof document.feedback.fid === "undefined") {
+					return "";
+				}
 				if (document.feedback.fid.value) return document.feedback.fid.value;
 				for (i = 0; i < document.feedback.fid.length; i++) {
 					if (document.feedback.fid[i].checked) {
@@ -26,16 +29,25 @@
 				return allSel;
 			}
 			function selAll() {
+				if (typeof document.feedback.fid === "undefined") {
+					return;
+				}
 				for (i = 0; i < document.feedback.fid.length; i++) {
 					document.feedback.fid[i].checked = true;
 				}
 			}
 			function selNone() {
+				if (typeof document.feedback.fid === "undefined") {
+					return;
+				}
 				for (i = 0; i < document.feedback.fid.length; i++) {
 					document.feedback.fid[i].checked = false;
 				}
 			}
 			function selNor() {
+				if (typeof document.feedback.fid === "undefined") {
+					return;
+				}
 				for (i = 0; i < document.feedback.fid.length; i++) {
 					if (document.feedback.fid[i].checked == false)
 						document.feedback.fid[i].checked = true;