From 601229248d3129dea5b36a81d76769af61a7138f Mon Sep 17 00:00:00 2001
From: xieqiyu <xieqiyu@easycorp.ltd>
Date: Thu, 14 Oct 2021 12:20:36 +0800
Subject: [PATCH 1/2] * Code for task#43168.

---
 lib/base/front/front.class.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/base/front/front.class.php b/lib/base/front/front.class.php
index dc2297ca6b..c972930c66 100644
--- a/lib/base/front/front.class.php
+++ b/lib/base/front/front.class.php
@@ -492,11 +492,12 @@ class baseHTML
         global $lang, $app, $config;
         if(empty($label)) $label = $lang->goback;
 
-        if(!isset($_SERVER['HTTP_REFERER'])) return "<a href='javascript:history.go(-1)' class='btn btn-back $class' $misc>{$label}</a>";;
-
         $tab           = $_COOKIE['tab'];
-        $referer       = strtolower($_SERVER['HTTP_REFERER']);
+        $referer       = isset($_SERVER['HTTP_REFERER']) ? strtolower($_SERVER['HTTP_REFERER']) : '';
         $refererParts  = parse_url($referer);
+
+        if(empty($refererParts) or !isset($refererParts['query'])) return "<a href='javascript:history.go(-1)' class='btn btn-back $class' $misc>{$label}</a>";
+
         $refererLink   = $config->requestType == 'PATH_INFO' ? $refererParts['path'] : $refererParts['query'];
         $currentModule = $app->getModuleName();
         $currentMethod = $app->getMethodName();

From 63248e8f8fa58faeb93f85654ff5f7c71d32e8e1 Mon Sep 17 00:00:00 2001
From: xieqiyu <xieqiyu@easycorp.ltd>
Date: Thu, 14 Oct 2021 13:47:13 +0800
Subject: [PATCH 2/2] * Code for task#43168.

---
 lib/base/front/front.class.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/base/front/front.class.php b/lib/base/front/front.class.php
index c972930c66..4779559811 100644
--- a/lib/base/front/front.class.php
+++ b/lib/base/front/front.class.php
@@ -492,11 +492,13 @@ class baseHTML
         global $lang, $app, $config;
         if(empty($label)) $label = $lang->goback;
 
-        $tab           = $_COOKIE['tab'];
-        $referer       = isset($_SERVER['HTTP_REFERER']) ? strtolower($_SERVER['HTTP_REFERER']) : '';
-        $refererParts  = parse_url($referer);
+        $gobackLink   = "<a href='javascript:history.go(-1)' class='btn btn-back $class' $misc>{$label}</a>";
+        $tab          = $_COOKIE['tab'];
+        $referer      = isset($_SERVER['HTTP_REFERER']) ? strtolower($_SERVER['HTTP_REFERER']) : '';
+        $refererParts = parse_url($referer);
 
-        if(empty($refererParts) or !isset($refererParts['query'])) return "<a href='javascript:history.go(-1)' class='btn btn-back $class' $misc>{$label}</a>";
+        if($config->requestType == 'PATH_INFO' and empty($refererParts)) return $gobackLink;
+        if($config->requestType == 'GET' and !isset($refererParts['query'])) return $gobackLink;
 
         $refererLink   = $config->requestType == 'PATH_INFO' ? $refererParts['path'] : $refererParts['query'];
         $currentModule = $app->getModuleName();