diff --git a/wch-ch56x-bsp b/wch-ch56x-bsp
index 4b08bbd..db59be5 160000
--- a/wch-ch56x-bsp
+++ b/wch-ch56x-bsp
@@ -1 +1 @@
-Subproject commit 4b08bbdedcf772ec68cc5e61c37741d5975dadb9
+Subproject commit db59be521708fe4a0dd280effc457dedce77c732