diff --git a/content/docs/Gluon/xiaomi_4a_flashen.md b/content/docs/Gluon/xiaomi_4a_flashen.md
index 0ca9d4f..ee2f2bd 100644
--- a/content/docs/Gluon/xiaomi_4a_flashen.md
+++ b/content/docs/Gluon/xiaomi_4a_flashen.md
@@ -1,5 +1,5 @@
 # Xiaomi 4a Gigabit Edition flashen
-
+https://openwrt.org/inbox/toh/xiaomi/xiaomi_mi_router_4a_gigabit_edition
 
 `OpenWRTInvasion|master ⇒ python3 remote_command_execution_vulnerability.py`