diff --git a/cores/arduino/kendryte-standalone-sdk b/cores/arduino/kendryte-standalone-sdk
index 7440800..9fb2182 160000
--- a/cores/arduino/kendryte-standalone-sdk
+++ b/cores/arduino/kendryte-standalone-sdk
@@ -1 +1 @@
-Subproject commit 7440800a8e6c6ee760e8f3a761fe366fbc3972cd
+Subproject commit 9fb218233809f174689561322d04643d97efa08c