diff --git a/update.md b/update.md
index 4b081ba..76a6a5b 100644
--- a/update.md
+++ b/update.md
@@ -12,6 +12,14 @@
 
 # 更新说明文档 ( Update Notes )
 
+## 2021.12.18   // **v2.0 U6:  Kernel and firmware had upgraded.**
+
+```
+1. All systems kernel, firmware, bootloader, userland had upgraded to upstream 
+as "5.10.87-Release-OPENFANS+20211218-v8" Released now.
+2. Fixted bugs for drm/vc4 HDMI and KMS.
+```
+
 ## 2021.12.09   // **v2.0 U6:  Kernel and firmware had upgraded.**
 
 ```