From ca8d24fe37cb533eaa37654b7beb913515b9ff3a Mon Sep 17 00:00:00 2001
From: wangxuepeng <wangxuepeng@easycorp.ltd>
Date: Thu, 14 Dec 2023 15:49:07 +0800
Subject: [PATCH] * Fix bug #41536.

---
 module/testcase/control.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/testcase/control.php b/module/testcase/control.php
index 53d3c7f65e..874b52a50e 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -263,7 +263,7 @@ class testcase extends control
         /* 设置产品id和分支。 */
         /* Set productID and branch. */
         $productID = $this->product->checkAccess($productID, $this->products);
-        if($branch === '') $branch = $this->cookie->preBranch;
+        if($branch === '') $branch = $this->cookie->preBranch ? : '';
 
         $moduleID = $this->testcaseZen->assignCreateVars($productID, $branch, $moduleID, $from, $param, $storyID);