diff --git a/update.md b/update.md
index 55b5ea2..70043c4 100644
--- a/update.md
+++ b/update.md
@@ -12,6 +12,13 @@
 
 # 更新说明文档 ( Update Notes )
 
+## 2021.08.21   // **v2.0 U6:  Kernel and firmware had upgraded.**
+
+```
+1. All systems kernel and firmware version had upgraded to "5.10.59-Release-OPENFANS+20210821-v8" Released now.
+2. Add an anbox kernel module package 'anbox_kmod_5.10.59-Release-OPENFANS+20210821-v8.tar.gz' for this kernel as testing.
+3. The anbox kernel module version must be as the same as the upkg/FW/Kernel version.
+```
 
 ## 2021.08_06~07   // **v2.0 U6:  Kernel and firmware had updated.**