diff --git a/update.md b/update.md
index a56223d..7001780 100644
--- a/update.md
+++ b/update.md
@@ -12,6 +12,13 @@
 
 # 更新说明文档 ( Update Notes )
 
+## 2021.11.25   // **v2.0 U6:  Kernel and firmware had upgraded.**
+
+```
+1. All systems kernel, firmware, bootloader, userland had upgraded to upstream 
+as "5.10.81-Release-OPENFANS+20211125-v8" Released now.
+```
+
 ## 2021.11.20   // **v2.0 U6:  Kernel and firmware had updated.**
 
 ```