diff --git a/src/recipe/os/YUM/Fedora-Linux.c b/src/recipe/os/YUM/Fedora-Linux.c
index f03597d..1926229 100644
--- a/src/recipe/os/YUM/Fedora-Linux.c
+++ b/src/recipe/os/YUM/Fedora-Linux.c
@@ -11,11 +11,11 @@
  * ------------------------------------------------------------*/
 
 /**
- * @update 2024-10-09
+ * @update 2024-11-04
  */
 static SourceInfo
 os_fedora_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,       "http://download.example/pub/fedora/linux"},
   {&Ali,           "https://mirrors.aliyun.com/fedora"},
   {&Bfsu,          "https://mirrors.bfsu.edu.cn/fedora"},
   {&Ustc,          "https://mirrors.ustc.edu.cn/fedora"},